{"id":19729,"date":"2022-04-08T14:41:50","date_gmt":"2022-04-08T12:41:50","guid":{"rendered":"https:\/\/p-hjf02p.project.space\/technologie\/materiaux-conducteurs\/"},"modified":"2023-07-03T17:11:29","modified_gmt":"2023-07-03T15:11:29","slug":"materiaux-conducteurs","status":"publish","type":"page","link":"https:\/\/live.p-hjf02p.project.space\/fr\/technologie\/materiaux-conducteurs\/","title":{"rendered":"Mat\u00e9riaux conducteurs"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"19729\" class=\"elementor elementor-19729 elementor-6462\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9419143 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9419143\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6d9339c6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6d9339c6\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-7f1e373c dk-image-line-dark-blue-top-left-right\" data-id=\"7f1e373c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3bcf3c0f elementor-widget elementor-widget-heading\" data-id=\"3bcf3c0f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-large\">Les mat\u00e9riaux et leurs propri\u00e9t\u00e9s<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6434296 elementor-widget elementor-widget-button\" data-id=\"6434296\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#stahl\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"Ebene_1\" x=\"0px\" y=\"0px\" viewBox=\"0 0 31.5 38.9\" style=\"enable-background:new 0 0 31.5 38.9;\" xml:space=\"preserve\"><g id=\"CTA_Pfeil_1_\" transform=\"translate(0.348 0.29)\">\t<g>\t\t<path d=\"M1.8,38.6l-2.1-1.5L23.5,3L7.1,5.9L6.6,3.4l20.8-3.7l3.7,20.8L28.6,21L25.7,4.5L1.8,38.6z\"><\/path>\t<\/g><\/g><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Acier<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23fb029 elementor-widget elementor-widget-button\" data-id=\"23fb029\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#edelstahl\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"Ebene_1\" x=\"0px\" y=\"0px\" viewBox=\"0 0 31.5 38.9\" style=\"enable-background:new 0 0 31.5 38.9;\" xml:space=\"preserve\"><g id=\"CTA_Pfeil_1_\" transform=\"translate(0.348 0.29)\">\t<g>\t\t<path d=\"M1.8,38.6l-2.1-1.5L23.5,3L7.1,5.9L6.6,3.4l20.8-3.7l3.7,20.8L28.6,21L25.7,4.5L1.8,38.6z\"><\/path>\t<\/g><\/g><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Acier inoxydable<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6017fc6 elementor-widget elementor-widget-button\" data-id=\"6017fc6\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#alu\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"Ebene_1\" x=\"0px\" y=\"0px\" viewBox=\"0 0 31.5 38.9\" style=\"enable-background:new 0 0 31.5 38.9;\" xml:space=\"preserve\"><g id=\"CTA_Pfeil_1_\" transform=\"translate(0.348 0.29)\">\t<g>\t\t<path d=\"M1.8,38.6l-2.1-1.5L23.5,3L7.1,5.9L6.6,3.4l20.8-3.7l3.7,20.8L28.6,21L25.7,4.5L1.8,38.6z\"><\/path>\t<\/g><\/g><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Aluminium<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2013c4f elementor-widget elementor-widget-button\" data-id=\"2013c4f\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#magnesium\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"Ebene_1\" x=\"0px\" y=\"0px\" viewBox=\"0 0 31.5 38.9\" style=\"enable-background:new 0 0 31.5 38.9;\" xml:space=\"preserve\"><g id=\"CTA_Pfeil_1_\" transform=\"translate(0.348 0.29)\">\t<g>\t\t<path d=\"M1.8,38.6l-2.1-1.5L23.5,3L7.1,5.9L6.6,3.4l20.8-3.7l3.7,20.8L28.6,21L25.7,4.5L1.8,38.6z\"><\/path>\t<\/g><\/g><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Magn\u00e9sium<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d290d1 elementor-widget elementor-widget-button\" data-id=\"6d290d1\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#titan\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"Ebene_1\" x=\"0px\" y=\"0px\" viewBox=\"0 0 31.5 38.9\" style=\"enable-background:new 0 0 31.5 38.9;\" xml:space=\"preserve\"><g id=\"CTA_Pfeil_1_\" transform=\"translate(0.348 0.29)\">\t<g>\t\t<path d=\"M1.8,38.6l-2.1-1.5L23.5,3L7.1,5.9L6.6,3.4l20.8-3.7l3.7,20.8L28.6,21L25.7,4.5L1.8,38.6z\"><\/path>\t<\/g><\/g><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Titane<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a81f5b7 elementor-widget elementor-widget-button\" data-id=\"a81f5b7\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#kupfer\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"Ebene_1\" x=\"0px\" y=\"0px\" viewBox=\"0 0 31.5 38.9\" style=\"enable-background:new 0 0 31.5 38.9;\" xml:space=\"preserve\"><g id=\"CTA_Pfeil_1_\" transform=\"translate(0.348 0.29)\">\t<g>\t\t<path d=\"M1.8,38.6l-2.1-1.5L23.5,3L7.1,5.9L6.6,3.4l20.8-3.7l3.7,20.8L28.6,21L25.7,4.5L1.8,38.6z\"><\/path>\t<\/g><\/g><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Cuivre<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-354f371 elementor-widget elementor-widget-button\" data-id=\"354f371\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#messing\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"Ebene_1\" x=\"0px\" y=\"0px\" viewBox=\"0 0 31.5 38.9\" style=\"enable-background:new 0 0 31.5 38.9;\" xml:space=\"preserve\"><g id=\"CTA_Pfeil_1_\" transform=\"translate(0.348 0.29)\">\t<g>\t\t<path d=\"M1.8,38.6l-2.1-1.5L23.5,3L7.1,5.9L6.6,3.4l20.8-3.7l3.7,20.8L28.6,21L25.7,4.5L1.8,38.6z\"><\/path>\t<\/g><\/g><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Laiton<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9fe7d74 elementor-widget elementor-widget-button\" data-id=\"9fe7d74\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#graphit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"Ebene_1\" x=\"0px\" y=\"0px\" viewBox=\"0 0 31.5 38.9\" style=\"enable-background:new 0 0 31.5 38.9;\" xml:space=\"preserve\"><g id=\"CTA_Pfeil_1_\" transform=\"translate(0.348 0.29)\">\t<g>\t\t<path d=\"M1.8,38.6l-2.1-1.5L23.5,3L7.1,5.9L6.6,3.4l20.8-3.7l3.7,20.8L28.6,21L25.7,4.5L1.8,38.6z\"><\/path>\t<\/g><\/g><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Graphite<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71bd3f2 elementor-widget elementor-widget-button\" data-id=\"71bd3f2\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#kunststoff\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"Ebene_1\" x=\"0px\" y=\"0px\" viewBox=\"0 0 31.5 38.9\" style=\"enable-background:new 0 0 31.5 38.9;\" xml:space=\"preserve\"><g id=\"CTA_Pfeil_1_\" transform=\"translate(0.348 0.29)\">\t<g>\t\t<path d=\"M1.8,38.6l-2.1-1.5L23.5,3L7.1,5.9L6.6,3.4l20.8-3.7l3.7,20.8L28.6,21L25.7,4.5L1.8,38.6z\"><\/path>\t<\/g><\/g><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Mati\u00e8res plastiques et composites \u00e0 base de fibres synth\u00e9tiques<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-19f09ced\" data-id=\"19f09ced\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-21240c46 elementor-widget elementor-widget-heading\" data-id=\"21240c46\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-small\">Chauffage inductif de l\u2019acier, de l\u2019aluminium et co<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b63a279 elementor-widget elementor-widget-heading\" data-id=\"b63a279\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-small\">Allgemein zur Induktion<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d3283fb elementor-widget elementor-widget-text-editor\" data-id=\"2d3283fb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L\u2019induction est une m\u00e9thode fiable et efficace pour chauffer les mat\u00e9riaux les plus divers. Le courant induit dans la pi\u00e8ce \u00e0 usiner g\u00e9n\u00e8re de la chaleur, sur laquelle se basent de nombreux domaines d\u2019application, tels que les traitements thermiques, le brasage ou la fusion.<\/p>\n<p>Selon la t\u00e2che \u00e0 accomplir, il faut non seulement tenir compte de param\u00e8tres tels que le choix de la fr\u00e9quence ou la g\u00e9om\u00e9trie de la pi\u00e8ce, mais aussi des propri\u00e9t\u00e9s respectives des mat\u00e9riaux. La r\u00e9sistance \u00e9lectrique sp\u00e9cifique ainsi que la perm\u00e9abilit\u00e9 magn\u00e9tique relative sont ici particuli\u00e8rement importantes, car elles influencent de mani\u00e8re d\u00e9terminante la profondeur de p\u00e9n\u00e9tration du courant. En plus des propri\u00e9t\u00e9s \u00e9lectromagn\u00e9tiques, les propri\u00e9t\u00e9s thermiques des mat\u00e9riaux, telles que la capacit\u00e9 thermique sp\u00e9cifique ou la conductivit\u00e9 thermique, sont utiles pour d\u00e9finir le processus de chauffage par induction. Les diverses propri\u00e9t\u00e9s des diff\u00e9rents mat\u00e9riaux posent un certain nombre de d\u00e9fis qui doivent \u00eatre pris en compte pour parvenir \u00e0 un processus efficace et fiable.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bdfdf20 elementor-widget elementor-widget-image\" data-id=\"bdfdf20\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/p-hjf02p.project.space\/fr\/technologie\/les-bases-de-linduction\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"269\" height=\"295\" src=\"https:\/\/live.p-hjf02p.project.space\/wp-content\/uploads\/2021\/05\/Grundlagen-Skineffekt-induktive-erwaermung.jpg\" class=\"attachment-full size-full wp-image-17348\" alt=\"Graphique repr\u00e9sentant la profondeur de p\u00e9n\u00e9tration du courant\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">L\u2019effet de peau<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-042eb84 elementor-widget elementor-widget-text-editor\" data-id=\"042eb84\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La densit\u00e9 de courant de Foucault diminue radialement du bord de la pi\u00e8ce vers l\u2019int\u00e9rieur. C\u2019est ce que l\u2019on appelle l\u2019effet de peau. La profondeur \u00e0 laquelle la densit\u00e9 de courant est descendue \u00e0 37&nbsp;% (1\/e) de sa valeur maximale est appel\u00e9e profondeur de p\u00e9n\u00e9tration du courant. La profondeur de p\u00e9n\u00e9tration du courant diminue avec l\u2019augmentation de la fr\u00e9quence et de la perm\u00e9abilit\u00e9 magn\u00e9tique et augmente proportionnellement avec la r\u00e9sistance \u00e9lectrique sp\u00e9cifique. La perm\u00e9abilit\u00e9 magn\u00e9tique et la r\u00e9sistance \u00e9lectrique varient en fonction de l\u2019augmentation de la temp\u00e9rature. Ainsi, la profondeur de p\u00e9n\u00e9tration du courant d\u00e9pend fortement de la temp\u00e9rature, en particulier pour les mat\u00e9riaux ferritiques.<\/p>\n<p>Bien que les mat\u00e9riaux m\u00e9talliques soient en principe consid\u00e9r\u00e9s comme conducteurs d\u2019\u00e9lectricit\u00e9, ils peuvent \u00eatre regroup\u00e9s en fonction de leur r\u00e9sistance \u00e9lectrique sp\u00e9cifique. Il existe des mat\u00e9riaux \u00e0 faible r\u00e9sistance, comme le cuivre, le magn\u00e9sium ou l\u2019aluminium, et des mat\u00e9riaux \u00e0 forte r\u00e9sistance, comme l\u2019acier, l\u2019acier inoxydable ou le titane. En outre, les mat\u00e9riaux m\u00e9talliques peuvent \u00eatre class\u00e9s en magn\u00e9tiques et non magn\u00e9tiques. Dans la pratique, des mat\u00e9riaux comme l\u2019aluminium, le magn\u00e9sium, le cuivre, le laiton ou le titane sont consid\u00e9r\u00e9s comme non magn\u00e9tiques. Les mat\u00e9riaux tels que les aciers \u00e0 structure ferritique sont consid\u00e9r\u00e9s comme magn\u00e9tiques.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44f93485 elementor-widget elementor-widget-heading\" data-id=\"44f93485\" data-element_type=\"widget\" id=\"stahl\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-small\">Acier<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1276d824 elementor-widget elementor-widget-text-editor\" data-id=\"1276d824\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><strong>Magn\u00e9tique<\/strong><\/li>\n<li><strong>R\u00e9sistance \u00e9lectrique sp\u00e9cifique \u00e9lev\u00e9e<\/strong><\/li>\n<li><strong>Grande profondeur de p\u00e9n\u00e9tration du courant<\/strong><\/li>\n<li><strong>Temp\u00e9ratures finales caract\u00e9ristiques&nbsp;: 850\u20131&nbsp;250&nbsp;\u00b0C<\/strong><\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b37ab17 elementor-widget elementor-widget-video\" data-id=\"b37ab17\" data-element_type=\"widget\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><div class=\"BorlabsCookie\" data-borlabs-cookie-selector=\"wrap\"><div class=\"_brlbs-content-blocker\"> <div class=\"_brlbs-embed _brlbs-video-youtube\"> <img decoding=\"async\" class=\"_brlbs-thumbnail\" src=\"https:\/\/live.p-hjf02p.project.space\/wp-content\/cache\/borlabs-cookie\/cnxpIn_Q2uI_maxresdefault.jpg\" alt=\"YouTube\"> <div class=\"_brlbs-caption\"> <p>En chargeant la vid\u00e9o, vous acceptez la d\u00e9claration de confidentialit\u00e9 de YouTube.<br><a href=\"https:\/\/policies.google.com\/privacy\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">En savoir plus<\/a><\/p> <p><a class=\"_brlbs-btn _brlbs-icon-play-white\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Partager la vid\u00e9o<\/a><\/p> <p><label><input type=\"checkbox\" name=\"unblockAll\" value=\"1\" checked> <small>Toujours d\u00e9verrouiller YouTube<\/small><\/label><\/p> <\/div> <\/div> <\/div><div class=\"borlabs-hide\" data-borlabs-cookie-type=\"content-blocker\" data-borlabs-cookie-id=\"youtube\"><script type=\"text\/template\">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<\/script><\/div><\/div><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2453c7d elementor-widget elementor-widget-text-editor\" data-id=\"2453c7d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L\u2019acier est class\u00e9 dans le groupe des mat\u00e9riaux \u00e0 haute r\u00e9sistance \u00e9lectrique sp\u00e9cifique. Celle-ci augmente avec la temp\u00e9rature et modifie ainsi de mani\u00e8re d\u00e9terminante la profondeur de p\u00e9n\u00e9tration du courant. Outre la valeur de r\u00e9sistance, il faut \u00e9galement tenir compte de l\u2019indice de perm\u00e9abilit\u00e9 magn\u00e9tique pour les mat\u00e9riaux ferromagn\u00e9tiques. La perm\u00e9abilit\u00e9 entra\u00eene, outre les pertes par courant de Foucault, un chauffage suppl\u00e9mentaire d\u00fb aux pertes par frottement (appel\u00e9es pertes par hyst\u00e9r\u00e9sis) qui r\u00e9sultent de l\u2019inversion de la polarit\u00e9 des aimants \u00e9l\u00e9mentaires. Cet effet suppl\u00e9mentaire participe \u00e0 l\u2019\u00e9chauffement global et, comme la r\u00e9sistance \u00e9lectrique sp\u00e9cifique, il d\u00e9pend de la temp\u00e9rature&nbsp;: \u00e0 partir d\u2019une certaine temp\u00e9rature, dite temp\u00e9rature de Curie, les mat\u00e9riaux ferromagn\u00e9tiques perdent leur magn\u00e9tisme. Ainsi, pour l\u2019acier, la profondeur de p\u00e9n\u00e9tration \u00e0 1&nbsp;200&nbsp;\u00b0C est environ 40&nbsp;fois plus \u00e9lev\u00e9e qu\u2019\u00e0 temp\u00e9rature ambiante.<\/p>\n<p>En raison des caract\u00e9ristiques mentionn\u00e9es, le rendement dit d\u2019induction est plus \u00e9lev\u00e9 pour les aciers \u00e0 haute r\u00e9sistance \u00e9lectrique sp\u00e9cifique et avec des propri\u00e9t\u00e9s ferromagn\u00e9tiques que pour les autres mat\u00e9riaux m\u00e9talliques. Les aciers en g\u00e9n\u00e9ral peuvent donc \u00eatre chauff\u00e9s \u00e0 c\u0153ur de mani\u00e8re rapide et efficace. De plus, les pertes sp\u00e9cifiques par conduction thermique sont relativement faibles. C\u2019est pourquoi, selon le domaine d\u2019application, il faut utiliser des densit\u00e9s de puissance inf\u00e9rieures \u00e0 celles du cuivre par exemple. La faible conductivit\u00e9 thermique est un avantage pour les traitements thermiques tels que la trempe superficielle, car les diff\u00e9rences de temp\u00e9rature entre la couche superficielle et le centre de la pi\u00e8ce ne sont compens\u00e9es que lentement.<\/p>\n<p>Les temp\u00e9ratures finales caract\u00e9ristiques pour le chauffage par induction de pi\u00e8ces en acier se situent dans une fourchette de 850&nbsp;\u00b0C \u00e0 1&nbsp;250&nbsp;\u00b0C. Selon le domaine d\u2019application, des plages de temp\u00e9rature plus faibles peuvent \u00eatre utilis\u00e9es. Les processus de s\u00e9chage notamment peuvent \u00eatre r\u00e9alis\u00e9s \u00e0 des temp\u00e9ratures avoisinant les 100&nbsp;\u00b0C.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-379e486b elementor-widget elementor-widget-heading\" data-id=\"379e486b\" data-element_type=\"widget\" id=\"edelstahl\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-small\">Acier inoxydable<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e72abc4 elementor-widget elementor-widget-text-editor\" data-id=\"1e72abc4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><strong>Aciers inoxydables ferritiques magn\u00e9tiques \/ aciers inoxydables martensitiques et aust\u00e9nitiques non magn\u00e9tiques<\/strong><\/li>\n<li><strong>R\u00e9sistance \u00e9lectrique sp\u00e9cifique \u00e9lev\u00e9e<\/strong><\/li>\n<li><strong>Grande profondeur de p\u00e9n\u00e9tration du courant<\/strong><\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51b9d73 elementor-widget elementor-widget-video\" data-id=\"51b9d73\" data-element_type=\"widget\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><div class=\"BorlabsCookie\" data-borlabs-cookie-selector=\"wrap\"><div class=\"_brlbs-content-blocker\"> <div class=\"_brlbs-embed _brlbs-video-youtube\"> <img decoding=\"async\" class=\"_brlbs-thumbnail\" src=\"https:\/\/live.p-hjf02p.project.space\/wp-content\/cache\/borlabs-cookie\/kGQqfUkmbTA_maxresdefault.jpg\" alt=\"YouTube\"> <div class=\"_brlbs-caption\"> <p>En chargeant la vid\u00e9o, vous acceptez la d\u00e9claration de confidentialit\u00e9 de YouTube.<br><a href=\"https:\/\/policies.google.com\/privacy\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">En savoir plus<\/a><\/p> <p><a class=\"_brlbs-btn _brlbs-icon-play-white\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Partager la vid\u00e9o<\/a><\/p> <p><label><input type=\"checkbox\" name=\"unblockAll\" value=\"1\" checked> <small>Toujours d\u00e9verrouiller YouTube<\/small><\/label><\/p> <\/div> <\/div> <\/div><div class=\"borlabs-hide\" data-borlabs-cookie-type=\"content-blocker\" data-borlabs-cookie-id=\"youtube\"><script type=\"text\/template\">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<\/script><\/div><\/div><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-191216f elementor-widget elementor-widget-text-editor\" data-id=\"191216f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les propri\u00e9t\u00e9s magn\u00e9tiques des aciers inoxydables sont li\u00e9es \u00e0 leur structure. Les aciers inoxydables ferritiques pr\u00e9sentent des propri\u00e9t\u00e9s magn\u00e9tiques, tandis que les aciers inoxydables martensitiques et aust\u00e9nitiques sont consid\u00e9r\u00e9s comme non magn\u00e9tiques. Ces derniers repr\u00e9sentent g\u00e9n\u00e9ralement la plus grande part de march\u00e9 des aciers inoxydables. En raison des propri\u00e9t\u00e9s non magn\u00e9tiques des aciers inoxydables aust\u00e9nitiques, comme pour les autres mat\u00e9riaux non ferritiques, le chauffage inductif n\u2019entra\u00eene pas de pertes par frottement, mais uniquement des pertes par courant de Foucault.<\/p>\n<p>Les aciers inoxydables sont \u00e9galement class\u00e9s dans le groupe des mat\u00e9riaux \u00e0 haute r\u00e9sistance \u00e9lectrique sp\u00e9cifique. Il en r\u00e9sulte g\u00e9n\u00e9ralement des profondeurs de p\u00e9n\u00e9tration du courant \u00e9lev\u00e9es et un chauffage rapide des couches superficielles. Les propri\u00e9t\u00e9s thermiques varient en fonction de la structure, mais s\u2019orientent g\u00e9n\u00e9ralement vers celles des aciers ferritiques.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-65950bb0 elementor-widget elementor-widget-heading\" data-id=\"65950bb0\" data-element_type=\"widget\" id=\"alu\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-small\">Aluminium<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f17bd5 elementor-widget elementor-widget-text-editor\" data-id=\"9f17bd5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><strong>Non magn\u00e9tique<\/strong><\/li>\n<li><strong>Faible r\u00e9sistance \u00e9lectrique sp\u00e9cifique<\/strong><\/li>\n<li><strong>Faible profondeur de p\u00e9n\u00e9tration du courant<\/strong><\/li>\n<li><strong>Temp\u00e9ratures finales caract\u00e9ristiques&nbsp;: 450\u2013580&nbsp;\u00b0C<\/strong><\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-059c77e elementor-widget elementor-widget-video\" data-id=\"059c77e\" data-element_type=\"widget\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><div class=\"BorlabsCookie\" data-borlabs-cookie-selector=\"wrap\"><div class=\"_brlbs-content-blocker\"> <div class=\"_brlbs-embed _brlbs-video-youtube\"> <img decoding=\"async\" class=\"_brlbs-thumbnail\" src=\"https:\/\/live.p-hjf02p.project.space\/wp-content\/cache\/borlabs-cookie\/Ab79g6OfvF8_maxresdefault.jpg\" alt=\"YouTube\"> <div class=\"_brlbs-caption\"> <p>En chargeant la vid\u00e9o, vous acceptez la d\u00e9claration de confidentialit\u00e9 de YouTube.<br><a href=\"https:\/\/policies.google.com\/privacy\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">En savoir plus<\/a><\/p> <p><a class=\"_brlbs-btn _brlbs-icon-play-white\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Partager la vid\u00e9o<\/a><\/p> <p><label><input type=\"checkbox\" name=\"unblockAll\" value=\"1\" checked> <small>Toujours d\u00e9verrouiller YouTube<\/small><\/label><\/p> <\/div> <\/div> <\/div><div class=\"borlabs-hide\" data-borlabs-cookie-type=\"content-blocker\" data-borlabs-cookie-id=\"youtube\"><script type=\"text\/template\">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<\/script><\/div><\/div><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f2a616 elementor-widget elementor-widget-text-editor\" data-id=\"6f2a616\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les composants en alliages d\u2019aluminium pr\u00e9sentent une faible r\u00e9sistance \u00e9lectrique sp\u00e9cifique et sont consid\u00e9r\u00e9s comme non magn\u00e9tiques en raison de leurs propri\u00e9t\u00e9s paramagn\u00e9tiques. Il en r\u00e9sulte des profondeurs de p\u00e9n\u00e9tration du courant g\u00e9n\u00e9ralement plus faibles par rapport aux aciers ferritiques. C\u2019est pourquoi la densit\u00e9 de puissance induite est davantage concentr\u00e9e \u00e0 la surface des pi\u00e8ces en aluminium que, par exemple, dans le cas de pi\u00e8ces identiques en acier. Cette caract\u00e9ristique sp\u00e9cifique au chauffage par induction des composants en aluminium constitue un d\u00e9fi en raison du risque de surchauffe de la surface. La conductivit\u00e9 thermique \u00e9lev\u00e9e de l\u2019aluminium minimise cet effet, car les diff\u00e9rences de temp\u00e9rature dans la pi\u00e8ce sont ainsi compens\u00e9es plus rapidement qu\u2019avec l\u2019acier par exemple. N\u00e9anmoins, cet effet doit \u00eatre pris en compte, en particulier lors du chauffage de pi\u00e8ces de grand diam\u00e8tre ou de grandes \u00e9paisseurs de paroi, lorsque celles-ci sont chauff\u00e9es \u00e0 une temp\u00e9rature proche de la temp\u00e9rature de fusion.<\/p>\n<p>En raison de la capacit\u00e9 thermique sp\u00e9cifique relativement \u00e9lev\u00e9e de l\u2019aluminium, une quantit\u00e9 de chaleur plus importante est n\u00e9cessaire pour chauffer une section de la pi\u00e8ce d\u2019une temp\u00e9rature initiale \u00e0 une temp\u00e9rature finale. Les temp\u00e9ratures finales caract\u00e9ristiques pour le chauffage inductif de pi\u00e8ces en aluminium se situent dans une plage de temp\u00e9ratures de 450&nbsp;\u00b0C \u00e0 580&nbsp;\u00b0C. Selon le domaine d\u2019application, d\u2019autres plages de temp\u00e9rature peuvent \u00eatre utilis\u00e9es. Les processus d\u2019assemblage peuvent par exemple \u00eatre r\u00e9alis\u00e9s \u00e0 des temp\u00e9ratures de 160&nbsp;\u00b0C environ.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-296802c6 elementor-widget elementor-widget-heading\" data-id=\"296802c6\" data-element_type=\"widget\" id=\"magnesium\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-small\">Magn\u00e9sium<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-483a86e9 elementor-widget elementor-widget-text-editor\" data-id=\"483a86e9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><strong>Non magn\u00e9tique<\/strong><\/li>\n<li><strong>Faible r\u00e9sistance \u00e9lectrique sp\u00e9cifique<\/strong><\/li>\n<li><strong>Faible profondeur de p\u00e9n\u00e9tration du courant<\/strong><\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aacb256 elementor-widget elementor-widget-text-editor\" data-id=\"aacb256\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>En raison de leurs propri\u00e9t\u00e9s en tant que mat\u00e9riaux de construction l\u00e9g\u00e8re, les alliages de magn\u00e9sium sont de plus en plus utilis\u00e9s, par exemple dans la production automobile. Conducteur \u00e9lectrique, le magn\u00e9sium peut \u00e9galement \u00eatre chauff\u00e9 par induction. Les composants en alliages de magn\u00e9sium pr\u00e9sentent une faible r\u00e9sistance \u00e9lectrique sp\u00e9cifique et sont consid\u00e9r\u00e9s comme non magn\u00e9tiques en raison de leurs propri\u00e9t\u00e9s paramagn\u00e9tiques. Il en r\u00e9sulte g\u00e9n\u00e9ralement de faibles profondeurs de p\u00e9n\u00e9tration du courant.<\/p><p>En raison de la capacit\u00e9 thermique sp\u00e9cifique \u00e9lev\u00e9e, le rendement du chauffage par induction des composants en magn\u00e9sium est g\u00e9n\u00e9ralement faible. En raison de son inflammabilit\u00e9, divers aspects de s\u00e9curit\u00e9 doivent \u00eatre pris en compte lors de la fusion du magn\u00e9sium.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-949e453 elementor-widget elementor-widget-heading\" data-id=\"949e453\" data-element_type=\"widget\" id=\"titan\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-small\">Titane<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a063668 elementor-widget elementor-widget-text-editor\" data-id=\"a063668\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><strong>Non magn\u00e9tique<\/strong><\/li>\n<li><strong>R\u00e9sistance \u00e9lectrique sp\u00e9cifique \u00e9lev\u00e9e<\/strong><\/li>\n<li><strong>Grande profondeur de p\u00e9n\u00e9tration du courant<\/strong><\/li>\n<li><strong>Temp\u00e9ratures finales caract\u00e9ristiques&nbsp;: 950\u20131&nbsp;050&nbsp;\u00b0C<\/strong><\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2712ede elementor-widget elementor-widget-video\" data-id=\"2712ede\" data-element_type=\"widget\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><div class=\"BorlabsCookie\" data-borlabs-cookie-selector=\"wrap\"><div class=\"_brlbs-content-blocker\"> <div class=\"_brlbs-embed _brlbs-video-youtube\"> <img decoding=\"async\" class=\"_brlbs-thumbnail\" src=\"https:\/\/live.p-hjf02p.project.space\/wp-content\/cache\/borlabs-cookie\/28hUeqkymDI_maxresdefault.jpg\" alt=\"YouTube\"> <div class=\"_brlbs-caption\"> <p>En chargeant la vid\u00e9o, vous acceptez la d\u00e9claration de confidentialit\u00e9 de YouTube.<br><a href=\"https:\/\/policies.google.com\/privacy\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">En savoir plus<\/a><\/p> <p><a class=\"_brlbs-btn _brlbs-icon-play-white\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Partager la vid\u00e9o<\/a><\/p> <p><label><input type=\"checkbox\" name=\"unblockAll\" value=\"1\" checked> <small>Toujours d\u00e9verrouiller YouTube<\/small><\/label><\/p> <\/div> <\/div> <\/div><div class=\"borlabs-hide\" data-borlabs-cookie-type=\"content-blocker\" data-borlabs-cookie-id=\"youtube\"><script type=\"text\/template\">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<\/script><\/div><\/div><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-839fd8e elementor-widget elementor-widget-text-editor\" data-id=\"839fd8e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les pi\u00e8ces en alliages de titane sont class\u00e9es dans le groupe des mat\u00e9riaux \u00e0 haute r\u00e9sistance \u00e9lectrique sp\u00e9cifique. Il en r\u00e9sulte g\u00e9n\u00e9ralement des profondeurs de p\u00e9n\u00e9tration du courant \u00e9lev\u00e9es et un chauffage rapide des couches superficielles. Le titane est consid\u00e9r\u00e9 comme non magn\u00e9tique en raison de ses propri\u00e9t\u00e9s paramagn\u00e9tiques. Le chauffage dans la pi\u00e8ce se fait donc par pertes par courant de Foucault, comme pour tous les mat\u00e9riaux non magn\u00e9tiques. En raison de la faible conductivit\u00e9 thermique du titane, la compensation thermique des couches est lente par rapport au cuivre, par exemple.<\/p>\n<p>Les temp\u00e9ratures finales caract\u00e9ristiques pour le chauffage inductif de pi\u00e8ces en titane se situent dans une plage de temp\u00e9ratures de 950&nbsp;\u00b0C \u00e0 1&nbsp;050&nbsp;\u00b0C. Selon le domaine d\u2019application, d\u2019autres plages de temp\u00e9rature peuvent \u00eatre utilis\u00e9es.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38003ca elementor-widget elementor-widget-heading\" data-id=\"38003ca\" data-element_type=\"widget\" id=\"kupfer\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-small\">Cuivre<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82f2646 elementor-widget elementor-widget-text-editor\" data-id=\"82f2646\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><strong>Non magn\u00e9tique<\/strong><\/li>\n<li><strong>Tr\u00e8s faible r\u00e9sistance \u00e9lectrique sp\u00e9cifique<\/strong><\/li>\n<li><strong>Faible profondeur de p\u00e9n\u00e9tration du courant<\/strong><\/li>\n<li><strong>Temp\u00e9ratures finales caract\u00e9ristiques&nbsp;: 750\u20131&nbsp;050&nbsp;\u00b0C<\/strong><\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34feb4c elementor-widget elementor-widget-video\" data-id=\"34feb4c\" data-element_type=\"widget\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><div class=\"BorlabsCookie\" data-borlabs-cookie-selector=\"wrap\"><div class=\"_brlbs-content-blocker\"> <div class=\"_brlbs-embed _brlbs-video-youtube\"> <img decoding=\"async\" class=\"_brlbs-thumbnail\" src=\"https:\/\/live.p-hjf02p.project.space\/wp-content\/cache\/borlabs-cookie\/ayA-3y174WQ_maxresdefault.jpg\" alt=\"YouTube\"> <div class=\"_brlbs-caption\"> <p>En chargeant la vid\u00e9o, vous acceptez la d\u00e9claration de confidentialit\u00e9 de YouTube.<br><a href=\"https:\/\/policies.google.com\/privacy\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">En savoir plus<\/a><\/p> <p><a class=\"_brlbs-btn _brlbs-icon-play-white\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Partager la vid\u00e9o<\/a><\/p> <p><label><input type=\"checkbox\" name=\"unblockAll\" value=\"1\" checked> <small>Toujours d\u00e9verrouiller YouTube<\/small><\/label><\/p> <\/div> <\/div> <\/div><div class=\"borlabs-hide\" data-borlabs-cookie-type=\"content-blocker\" data-borlabs-cookie-id=\"youtube\"><script type=\"text\/template\">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<\/script><\/div><\/div><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d6e119b elementor-widget elementor-widget-text-editor\" data-id=\"d6e119b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les pi\u00e8ces en cuivre pr\u00e9sentent une tr\u00e8s faible r\u00e9sistance \u00e9lectrique sp\u00e9cifique et sont consid\u00e9r\u00e9es comme non magn\u00e9tiques en raison de leurs propri\u00e9t\u00e9s diamagn\u00e9tiques. Il en r\u00e9sulte des profondeurs de p\u00e9n\u00e9tration du courant g\u00e9n\u00e9ralement plus faibles par rapport aux aciers ferritiques ainsi qu\u2019un faible rendement d\u2019induction. La conductivit\u00e9 thermique \u00e9lev\u00e9e du cuivre entra\u00eene une compensation rapide de la temp\u00e9rature entre les couches p\u00e9riph\u00e9riques et les couches centrales de la pi\u00e8ce. En outre, les pertes de conductivit\u00e9 thermique du cuivre peuvent \u00eatre \u00e9lev\u00e9es. Il faut en tenir compte lors du brasage fort de pi\u00e8ces massives en cuivre qui doivent \u00eatre partiellement bras\u00e9es. C\u2019est pourquoi il convient dans ce cas d\u2019appliquer une densit\u00e9 de puissance aussi \u00e9lev\u00e9e que possible afin de maintenir les temps de brasage \u00e0 un niveau bas et d\u2019\u00e9viter ainsi de trop grandes pertes de chaleur par dissipation thermique.<\/p>\n<p>Les temp\u00e9ratures finales caract\u00e9ristiques pour le chauffage inductif de pi\u00e8ces en cuivre se situent dans une plage de temp\u00e9ratures de 750&nbsp;\u00b0C \u00e0 1&nbsp;050&nbsp;\u00b0C. Les temp\u00e9ratures d\u2019application pour le brasage tendre du cuivre par exemple se situent dans une fourchette de 220&nbsp;\u00b0C \u00e0 300&nbsp;\u00b0C.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e7507ff elementor-widget elementor-widget-heading\" data-id=\"e7507ff\" data-element_type=\"widget\" id=\"messing\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-small\">Laiton<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-db29a4a elementor-widget elementor-widget-text-editor\" data-id=\"db29a4a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><strong>Non magn\u00e9tique<\/strong><\/li>\n<li><strong>Faible r\u00e9sistance \u00e9lectrique sp\u00e9cifique<\/strong><\/li>\n<li><strong>Faible profondeur de p\u00e9n\u00e9tration du courant<\/strong><\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0878e2e elementor-widget elementor-widget-video\" data-id=\"0878e2e\" data-element_type=\"widget\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><div class=\"BorlabsCookie\" data-borlabs-cookie-selector=\"wrap\"><div class=\"_brlbs-content-blocker\"> <div class=\"_brlbs-embed _brlbs-video-youtube\"> <img decoding=\"async\" class=\"_brlbs-thumbnail\" src=\"https:\/\/live.p-hjf02p.project.space\/wp-content\/cache\/borlabs-cookie\/jF4aySmAFsc_maxresdefault.jpg\" alt=\"YouTube\"> <div class=\"_brlbs-caption\"> <p>En chargeant la vid\u00e9o, vous acceptez la d\u00e9claration de confidentialit\u00e9 de YouTube.<br><a href=\"https:\/\/policies.google.com\/privacy\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">En savoir plus<\/a><\/p> <p><a class=\"_brlbs-btn _brlbs-icon-play-white\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Partager la vid\u00e9o<\/a><\/p> <p><label><input type=\"checkbox\" name=\"unblockAll\" value=\"1\" checked> <small>Toujours d\u00e9verrouiller YouTube<\/small><\/label><\/p> <\/div> <\/div> <\/div><div class=\"borlabs-hide\" data-borlabs-cookie-type=\"content-blocker\" data-borlabs-cookie-id=\"youtube\"><script type=\"text\/template\">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<\/script><\/div><\/div><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4d86e2 elementor-widget elementor-widget-text-editor\" data-id=\"a4d86e2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les pi\u00e8ces en laiton pr\u00e9sentent une tr\u00e8s faible r\u00e9sistance \u00e9lectrique sp\u00e9cifique et sont consid\u00e9r\u00e9es comme non magn\u00e9tiques. Il en r\u00e9sulte g\u00e9n\u00e9ralement de faibles profondeurs de p\u00e9n\u00e9tration du courant. Le rendement de l\u2019inducteur peut \u00eatre consid\u00e9r\u00e9 comme l\u00e9g\u00e8rement sup\u00e9rieur \u00e0 celui des mat\u00e9riaux \u00e0 base de cuivre. La conductivit\u00e9 thermique est inf\u00e9rieure \u00e0 celle du cuivre ou de l\u2019aluminium, par exemple, mais sup\u00e9rieure \u00e0 celle des mat\u00e9riaux en acier. Il faut donc s\u2019attendre \u00e0 une compensation thermique plus lente des couches et \u00e0 des pertes de conductivit\u00e9 thermique plus faibles.<\/p>\n<p>Lors de la fusion du laiton, il faut s\u2019attendre \u00e0 des vapeurs de zinc nocives pour la sant\u00e9 \u00e0 partir d\u2019une temp\u00e9rature de 900&nbsp;\u00b0C (ce qu\u2019on appelle la fi\u00e8vre des vapeurs m\u00e9talliques). Lorsque l\u2019on chauffe du laiton \u00e0 une temp\u00e9rature proche de la temp\u00e9rature de coul\u00e9e, divers aspects de s\u00e9curit\u00e9 doivent \u00eatre pris en compte.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-00ae866 elementor-widget elementor-widget-heading\" data-id=\"00ae866\" data-element_type=\"widget\" id=\"graphit\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-small\">Graphite<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6016247 elementor-widget elementor-widget-text-editor\" data-id=\"6016247\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><strong>R\u00e9sistance \u00e9lectrique sp\u00e9cifique tr\u00e8s \u00e9lev\u00e9e<\/strong><\/li>\n<li><strong>Tr\u00e8s grande profondeur de p\u00e9n\u00e9tration du courant<\/strong><\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffc4d77 elementor-widget elementor-widget-video\" data-id=\"ffc4d77\" data-element_type=\"widget\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><div class=\"BorlabsCookie\" data-borlabs-cookie-selector=\"wrap\"><div class=\"_brlbs-content-blocker\"> <div class=\"_brlbs-embed _brlbs-video-youtube\"> <img decoding=\"async\" class=\"_brlbs-thumbnail\" src=\"https:\/\/live.p-hjf02p.project.space\/wp-content\/cache\/borlabs-cookie\/E8QHVI9dWzs_maxresdefault.jpg\" alt=\"YouTube\"> <div class=\"_brlbs-caption\"> <p>En chargeant la vid\u00e9o, vous acceptez la d\u00e9claration de confidentialit\u00e9 de YouTube.<br><a href=\"https:\/\/policies.google.com\/privacy\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">En savoir plus<\/a><\/p> <p><a class=\"_brlbs-btn _brlbs-icon-play-white\" href=\"#\" data-borlabs-cookie-unblock role=\"button\">Partager la vid\u00e9o<\/a><\/p> <p><label><input type=\"checkbox\" name=\"unblockAll\" value=\"1\" checked> <small>Toujours d\u00e9verrouiller YouTube<\/small><\/label><\/p> <\/div> <\/div> <\/div><div class=\"borlabs-hide\" data-borlabs-cookie-type=\"content-blocker\" data-borlabs-cookie-id=\"youtube\"><script type=\"text\/template\">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<\/script><\/div><\/div><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16067d3 elementor-widget elementor-widget-text-editor\" data-id=\"16067d3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le graphite est utilis\u00e9 dans le chauffage par induction, par exemple comme creuset ou comme suscepteur \u00e9lectriquement conducteur. En raison de la r\u00e9sistance \u00e9lectrique sp\u00e9cifique tr\u00e8s \u00e9lev\u00e9e, il existe une grande profondeur de p\u00e9n\u00e9tration du courant. Il en r\u00e9sulte un processus de chauffage par induction tr\u00e8s rapide. La conductivit\u00e9 thermique du graphite peut \u00eatre compar\u00e9e aux propri\u00e9t\u00e9s du laiton et peut donc \u00eatre class\u00e9e entre l\u2019acier et l\u2019aluminium.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c3876bc elementor-widget elementor-widget-heading\" data-id=\"c3876bc\" data-element_type=\"widget\" id=\"kunststoff\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-small\">Mati\u00e8res plastiques et composites \u00e0 base de fibres synth\u00e9tiques<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b0f9a5 elementor-widget elementor-widget-text-editor\" data-id=\"2b0f9a5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><strong>R\u00e9sistance \u00e9lectrique sp\u00e9cifique \u00e9lev\u00e9e<\/strong><\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-113c39f elementor-widget elementor-widget-text-editor\" data-id=\"113c39f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>En raison de leurs bonnes propri\u00e9t\u00e9s m\u00e9caniques et de leur faible densit\u00e9, les composites \u00e0 base de fibres synth\u00e9tiques sont utilis\u00e9s dans diff\u00e9rents domaines comme mat\u00e9riaux de construction l\u00e9g\u00e8re. Les fibres de carbone sont conductrices d\u2019\u00e9lectricit\u00e9. Elles pr\u00e9sentent une r\u00e9sistance \u00e9lectrique sp\u00e9cifique \u00e9lev\u00e9e et se pr\u00eatent donc au chauffage inductif. En pr\u00e9sence d\u2019une matrice thermoplastique, celle-ci peut \u00eatre chauff\u00e9e au-dessus du point de fusion. Ainsi, les composites thermoplastiques renforc\u00e9s de fibres de carbone se pr\u00eatent au soudage par induction.<\/p>\n<p>Les mati\u00e8res plastiques ne contenant pas de fibres de carbone ou de particules sont consid\u00e9r\u00e9es comme non conductrices d\u2019\u00e9lectricit\u00e9. Ces derni\u00e8res peuvent \u00eatre chauff\u00e9es par transfert de chaleur \u00e0 l\u2019aide d\u2019un suscepteur \u00e9lectriquement conducteur, tel que le graphite ou des filets m\u00e9talliques.<\/p>\n<p>Le chauffage inductif est aussi possible au moyen de nanoparticules magn\u00e9tiques introduites dans un syst\u00e8me. Des adh\u00e9sifs ou des rev\u00eatements peuvent par exemple \u00eatre ainsi durcis ou dissous.<\/p>\n<p>La plage de fr\u00e9quence g\u00e9n\u00e9rale pour chauffer efficacement ces structures (tr\u00e8s minces) se situe dans la gamme des hautes fr\u00e9quences de 1 \u00e0 2&nbsp;MHz.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-262a1fb3 dk-image-line-dark-blue-top-left-right elementor-hidden-tablet elementor-hidden-phone\" data-id=\"262a1fb3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6e3e9310 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6e3e9310\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7dd4500d\" data-id=\"7dd4500d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1e07a471 elementor-widget elementor-widget-heading\" data-id=\"1e07a471\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-large\">Approfondir davantage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-18bb9568\" data-id=\"18bb9568\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4a7c3283 elementor-widget elementor-widget-button\" data-id=\"4a7c3283\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/p-hjf02p.project.space\/fr\/technologie\/les-bases-de-linduction\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"Ebene_1\" x=\"0px\" y=\"0px\" viewBox=\"0 0 31.5 38.9\" style=\"enable-background:new 0 0 31.5 38.9;\" xml:space=\"preserve\"><g id=\"CTA_Pfeil_1_\" transform=\"translate(0.348 0.29)\">\t<g>\t\t<path d=\"M1.8,38.6l-2.1-1.5L23.5,3L7.1,5.9L6.6,3.4l20.8-3.7l3.7,20.8L28.6,21L25.7,4.5L1.8,38.6z\"><\/path>\t<\/g><\/g><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Les bases de l\u2019induction<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-07f9bba elementor-widget elementor-widget-text-editor\" data-id=\"07f9bba\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/himmelwerk.test.diekavallerie.de\/en\/technology\/glossary\/\">Lexique<\/a><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f2f4936 elementor-widget elementor-widget-button\" data-id=\"5f2f4936\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/p-hjf02p.project.space\/fr\/technologie\/structure-de-systemes-a-induction\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" id=\"Ebene_1\" x=\"0px\" y=\"0px\" viewBox=\"0 0 31.5 38.9\" style=\"enable-background:new 0 0 31.5 38.9;\" xml:space=\"preserve\"><g id=\"CTA_Pfeil_1_\" transform=\"translate(0.348 0.29)\">\t<g>\t\t<path d=\"M1.8,38.6l-2.1-1.5L23.5,3L7.1,5.9L6.6,3.4l20.8-3.7l3.7,20.8L28.6,21L25.7,4.5L1.8,38.6z\"><\/path>\t<\/g><\/g><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Structure de syst\u00e8mes \u00e0 induction<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Les mat\u00e9riaux et leurs propri\u00e9t\u00e9s Acier Acier inoxydable Aluminium Magn\u00e9sium Titane Cuivre Laiton Graphite Mati\u00e8res plastiques et composites \u00e0 base de fibres synth\u00e9tiques Chauffage inductif de l\u2019acier, de l\u2019aluminium et co Allgemein zur Induktion L\u2019induction est une m\u00e9thode fiable et efficace pour chauffer les mat\u00e9riaux les plus divers. Le courant induit dans la pi\u00e8ce \u00e0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":19670,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-19729","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Chauffage inductif | Le d\u00e9fi des mat\u00e9riaux<\/title>\n<meta name=\"description\" content=\"Chauffer par induction des mat\u00e9riaux conducteurs magn\u00e9tiques et non magn\u00e9tiques | Cuivre, aluminium, acier inoxydable, acier, graphite, titane, etc.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/live.p-hjf02p.project.space\/fr\/technologie\/materiaux-conducteurs\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta 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