{"id":41038,"date":"2024-07-26T09:52:11","date_gmt":"2024-07-26T07:52:11","guid":{"rendered":"https:\/\/www.linseis.com\/service-et-assistance\/methodes-danalyse-thermique\/dilatometrie\/"},"modified":"2024-12-12T09:43:24","modified_gmt":"2024-12-12T08:43:24","slug":"dilatometrie","status":"publish","type":"page","link":"https:\/\/www.linseis.com\/fr\/methodes-danalyse-thermique\/dilatometrie\/","title":{"rendered":"Dilatom\u00e9trie"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"41038\" class=\"elementor elementor-41038 elementor-21797\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a3549cf e-flex e-con-boxed e-con e-parent\" data-id=\"a3549cf\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ac41c94 elementor-widget elementor-widget-image\" data-id=\"ac41c94\" data-element_type=\"widget\" data-e-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\t\t\t<img decoding=\"async\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/\/linseis_scale-top-1.svg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a7b7feb e-con-full e-flex e-con e-child\" data-id=\"a7b7feb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6100945 e-con-full e-flex e-con e-child\" data-id=\"6100945\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cc1182c elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"cc1182c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:250}\" 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-default\"><b>Dilatom\u00e9trie<\/b><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d91a43 e-con-full e-flex e-con e-child\" data-id=\"6d91a43\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9413374 elementor-widget elementor-widget-n-carousel\" data-id=\"9413374\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;carousel_items&quot;:[{&quot;slide_title&quot;:&quot;Produkt 1&quot;,&quot;_id&quot;:&quot;d6fbcdb&quot;}],&quot;slides_to_show&quot;:&quot;1&quot;,&quot;slides_to_scroll&quot;:&quot;2&quot;,&quot;autoplay_speed&quot;:2000,&quot;slides_to_show_tablet&quot;:&quot;1&quot;,&quot;slides_to_show_mobile&quot;:&quot;1&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500,&quot;offset_sides&quot;:&quot;none&quot;,&quot;image_spacing_custom&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;image_spacing_custom_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;image_spacing_custom_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-carousel swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Carousel\" dir=\"ltr\">\n\t\t\t<div class=\"swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"1\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 sur 1\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-44441f5 e-flex e-con-boxed e-con e-child\" data-id=\"44441f5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4103051 elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-image\" data-id=\"4103051\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Zeichenflaeche-1-Kopie-86-1024x1024.png\" class=\"attachment-large size-large wp-image-23725\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Zeichenflaeche-1-Kopie-86-1024x1024.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Zeichenflaeche-1-Kopie-86-300x300.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Zeichenflaeche-1-Kopie-86-150x150.png 150w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Zeichenflaeche-1-Kopie-86-768x768.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Zeichenflaeche-1-Kopie-86-1536x1536.png 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Zeichenflaeche-1-Kopie-86-2048x2048.png 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\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\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4a6800 elementor-widget elementor-widget-image\" data-id=\"b4a6800\" data-element_type=\"widget\" data-e-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\t\t\t<img decoding=\"async\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/\/linseis_scale-bottom-1.svg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7c8d6cc e-flex e-con-boxed e-con e-parent\" data-id=\"7c8d6cc\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d7b7522 e-flex e-con-boxed e-con e-parent\" data-id=\"d7b7522\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-449b6fd e-con-full e-flex e-con e-child\" data-id=\"449b6fd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-031217d elementor-invisible elementor-widget elementor-widget-wp-widget-bcn_widget\" data-id=\"031217d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"wp-widget-bcn_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"breadcrumbs\" vocab=\"https:\/\/schema.org\/\" typeof=\"BreadcrumbList\"><span property=\"itemListElement\" typeof=\"ListItem\"><a property=\"item\" typeof=\"WebPage\" title=\"Aller \u00e0 Linseis.\" href=\"https:\/\/www.linseis.com\/fr\/\" class=\"home\" aria-current=\"page\"><span property=\"name\">Linseis<\/span><\/a><meta property=\"position\" content=\"1\"><\/span><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ed98f58 e-flex e-con-boxed e-con e-parent\" data-id=\"ed98f58\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-bbc47b3 e-con-full e-flex e-con e-child\" data-id=\"bbc47b3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-71a1ec4 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"71a1ec4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:500}\" 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<h2>Dilatom\u00e9trie<\/h2>\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-32d9053 elementor-widget elementor-widget-text-editor\" data-id=\"32d9053\" data-element_type=\"widget\" data-e-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 <a href=\"https:\/\/www.linseis.com\/fr\/produits\/dilatometrie\/\"><strong>dilatom\u00e9trie<\/strong> (DIL)<\/a> est une technique qui consiste \u00e0 mesurer la variation dimensionnelle d&rsquo;une substance soumise \u00e0 une charge n\u00e9gligeable (par exemple, mesure de l&rsquo;expansion ou du retrait) en fonction de la temp\u00e9rature, alors que la substance est soumise \u00e0 un programme de temp\u00e9rature contr\u00f4l\u00e9e dans une atmosph\u00e8re sp\u00e9cifi\u00e9e.<\/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-7d4daa8 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"7d4daa8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:500}\" 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><img decoding=\"async\" class=\"aligncenter wp-image-15712 size-full\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Schema-Schubstangendilatometer-Aufbau.png\" alt=\"\" width=\"940\" height=\"788\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Schema-Schubstangendilatometer-Aufbau.png 940w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Schema-Schubstangendilatometer-Aufbau-300x251.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Schema-Schubstangendilatometer-Aufbau-768x644.png 768w\" sizes=\"(max-width: 940px) 100vw, 940px\" \/><\/p>\n<p style=\"text-align: center;\"><em>Un \u00e9chantillon rouge dans un dilatom\u00e8tre<\/em><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8801439 e-flex e-con-boxed e-con e-parent\" data-id=\"8801439\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4fda86f e-con-full e-flex e-con e-child\" data-id=\"4fda86f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fe6d621 elementor-widget elementor-widget-text-editor\" data-id=\"fe6d621\" data-element_type=\"widget\" data-e-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><strong>Les r\u00e9sultats suivants peuvent \u00eatre obtenus par dilatom\u00e9trie :<\/strong><\/p><ul><li>d\u00e9termination du coefficient de dilatation thermique (CTE)<\/li><li><a href=\"https:\/\/www.linseis.com\/fr\/proprietes\/coefficient-dexpansion-lineaire\/\"><strong>dilatation thermique lin\u00e9aire (\u0394L)<\/strong><\/a><\/li><li>temp\u00e9ratures de frittage et \u00e9tapes de frittage<\/li><li><a href=\"https:\/\/www.linseis.com\/fr\/connaissance\/temperature-de-transition-du-verre\/\"><strong>d\u00e9termination de la transition vitreuse (Tg)<\/strong><\/a><\/li><li><a href=\"https:\/\/www.linseis.com\/fr\/connaissance\/analyse-des-changements-de-phase-avec-dsc\/\"><strong>changements de phase<\/strong><\/a><\/li><li>optimisation des processus de combustion<\/li><li>les changements de volume<\/li><li>Frittage \u00e0 d\u00e9bit contr\u00f4l\u00e9 (RCS)<\/li><li>d\u00e9composition<\/li><li>changement de densit\u00e9<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a0a9aac e-con-full e-flex e-con e-child\" data-id=\"a0a9aac\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-53ea4ef elementor-widget elementor-widget-text-editor\" data-id=\"53ea4ef\" data-element_type=\"widget\" data-e-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<h2>Le coefficient de dilatation lin\u00e9aire &#8211; CTE<\/h2>\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-d38f832 elementor-widget elementor-widget-text-editor\" data-id=\"d38f832\" data-element_type=\"widget\" data-e-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 coefficient de dilatation lin\u00e9aire est consid\u00e9r\u00e9 comme la propri\u00e9t\u00e9 du changement de longueur.<br \/>L&rsquo;\u00e9chantillon est plac\u00e9 sur un porte-\u00e9chantillon dans le four.<br \/>Une tige de pouss\u00e9e fabriqu\u00e9e dans le m\u00eame mat\u00e9riau que le porte-\u00e9chantillon (verre de quartz, oxyde d&rsquo;aluminium) transmet la dilatation thermique de l&rsquo;\u00e9chantillon \u00e0 un capteur de d\u00e9placement qui mesure le d\u00e9placement.<br \/>Le d\u00e9placement est mesur\u00e9 de mani\u00e8re analogique ou num\u00e9rique.<\/p><p>Les dimensions g\u00e9om\u00e9triques des mat\u00e9riaux varient en fonction des changements de temp\u00e9rature.<br \/>Ce ph\u00e9nom\u00e8ne peut \u00eatre d\u00e9crit par les \u00e9l\u00e9ments suivants <a href=\"https:\/\/www.linseis.com\/fr\/connaissance\/determination-de-la-densite-cte\/\"><strong>coefficient de dilatation thermique lin\u00e9aire (CTE)<\/strong><\/a>:<\/p><p><strong>CTE lin\u00e9aire = \u0394<\/strong><strong>L-1\/\u0394<\/strong><strong>T-1\/L<\/strong><\/p><p>\u0394L repr\u00e9sente le changement de longueur, qui est caus\u00e9 par un changement de temp\u00e9rature (\u0394T) dans la longueur (L) de l&rsquo;\u00e9chantillon.<\/p><p>Le capteur de d\u00e9placement est solidement fix\u00e9 \u00e0 la r\u00e9f\u00e9rence.<br \/>\u00c9tant donn\u00e9 que la r\u00e9f\u00e9rence et la tige de pouss\u00e9e sont \u00e9tendues de la m\u00eame mani\u00e8re pendant le chauffage, l&rsquo;expansion de l&rsquo;\u00e9chantillon est mesur\u00e9e par rapport au mat\u00e9riau de la r\u00e9f\u00e9rence.<br \/>L&rsquo;extension thermique r\u00e9elle de l&rsquo;\u00e9chantillon est alors \u00e9gale \u00e0 la valeur mesur\u00e9e par le transducteur de d\u00e9placement plus l&rsquo;expansion d&rsquo;un morceau de mat\u00e9riau de r\u00e9f\u00e9rence de la m\u00eame longueur que l&rsquo;\u00e9chantillon.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cdefdb7 e-con-full e-flex e-con e-child\" data-id=\"cdefdb7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dca24fd elementor-widget elementor-widget-text-editor\" data-id=\"dca24fd\" data-element_type=\"widget\" data-e-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<h2>Dilatom\u00e9trie optique<\/h2>\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-d37c58e elementor-widget elementor-widget-text-editor\" data-id=\"d37c58e\" data-element_type=\"widget\" data-e-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 dilatom\u00e9trie optique permet d&rsquo;\u00e9tudier les processus de frittage et la dilatation lin\u00e9aire thermique, en particulier pour les mat\u00e9riaux anisotropes et fragiles ainsi que pour les \u00e9chantillons \u00e0 g\u00e9om\u00e9trie complexe.\nLa d\u00e9termination thermom\u00e9canique sans contact permet \u00e9galement de d\u00e9terminer le point de ramollissement et les temp\u00e9ratures de fusion des mat\u00e9riaux. <\/p>\n<p><strong>Comment fonctionne la dilatom\u00e9trie optique dans un appareil de mesure ?<\/strong><\/p>\n<p>Dans l&rsquo;analyse thermo-optique avec un dilatom\u00e8tre \u00e9quip\u00e9 d&rsquo;une cam\u00e9ra, l&rsquo;\u00e9chantillon est irradi\u00e9 par la lumi\u00e8re d&rsquo;un c\u00f4t\u00e9 et les ombres sont enregistr\u00e9es de l&rsquo;autre c\u00f4t\u00e9.\nSur la base des donn\u00e9es obtenues, un ordinateur calcule le changement de longueur de l&rsquo;\u00e9chantillon. <\/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-69f7499 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"69f7499\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:500}\" 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><img decoding=\"async\" class=\"wp-image-5661 size-large aligncenter\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Ash-melting-microscope-1024x802.jpg\" alt=\"\" width=\"1024\" height=\"802\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Ash-melting-microscope-1024x802.jpg 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Ash-melting-microscope-300x235.jpg 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Ash-melting-microscope-768x602.jpg 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Ash-melting-microscope-1536x1203.jpg 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Ash-melting-microscope-2048x1605.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p style=\"text-align: center;\"><em>Dilatom\u00e9trie optique &#8211; image monochrome prise au cours d&rsquo;un processus de chauffage<\/em><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5a584c2 e-con-full e-flex e-con e-child\" data-id=\"5a584c2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2111823 elementor-widget elementor-widget-text-editor\" data-id=\"2111823\" data-element_type=\"widget\" data-e-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<h2>Les normes suivantes se rapportent \u00e0 cette m\u00e9thode :<\/h2>\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-ef9903f elementor-widget elementor-widget-text-editor\" data-id=\"ef9903f\" data-element_type=\"widget\" data-e-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><strong>ASTM E831 &#8211; <\/strong>M\u00e9thode d&rsquo;essai standard pour la dilatation thermique lin\u00e9aire des mat\u00e9riaux solides par analyse thermom\u00e9canique.<\/p>\n<p><strong>ASTM D696<\/strong> &#8211; Cette m\u00e9thode d&rsquo;essai couvre la d\u00e9termination du coefficient de dilatation thermique lin\u00e9aire pour les mat\u00e9riaux plastiques ayant des coefficients de dilatation sup\u00e9rieurs \u00e0 1 \u00b5m\/(m.\u00b0C) \u00e0 l&rsquo;aide d&rsquo;un dilatom\u00e8tre en silice vitreuse.<\/p>\n<p><strong>ASTM E228<\/strong> &#8211; M\u00e9thode d&rsquo;essai standard pour la dilatation thermique lin\u00e9aire des mat\u00e9riaux solides \u00e0 l&rsquo;aide d&rsquo;un dilatom\u00e8tre \u00e0 tige poussante.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Dilatom\u00e9trie Dilatom\u00e9trie La dilatom\u00e9trie (DIL) est une technique qui consiste \u00e0 mesurer la variation dimensionnelle d&rsquo;une substance soumise \u00e0 une charge n\u00e9gligeable (par exemple, mesure de l&rsquo;expansion ou du retrait) en fonction de la temp\u00e9rature, alors que la substance est soumise \u00e0 un programme de temp\u00e9rature contr\u00f4l\u00e9e dans une atmosph\u00e8re sp\u00e9cifi\u00e9e. Un \u00e9chantillon rouge dans [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":41027,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-41038","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages\/41038","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/comments?post=41038"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages\/41038\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages\/41027"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/media?parent=41038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}