{"id":100346,"date":"2024-07-26T09:52:11","date_gmt":"2024-07-26T07:52:11","guid":{"rendered":"https:\/\/www.linseis.com\/metodi-di-analisi-termica\/dilatometria\/"},"modified":"2026-01-13T08:50:41","modified_gmt":"2026-01-13T07:50:41","slug":"dilatometria","status":"publish","type":"page","link":"https:\/\/www.linseis.com\/it\/metodi-di-analisi-termica\/dilatometria\/","title":{"rendered":"Dilatometria"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"100346\" class=\"elementor elementor-100346 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>\n\nDilatometria\n\n<\/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=\"Karussell\" 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 di 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-36267\" 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=\"Vai a Linseis.\" href=\"https:\/\/www.linseis.com\/it\/\" 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>Dilatometria<\/h2>\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<b> <a href=\"https:\/\/www.linseis.com\/messgeraete\/dilatometer\/\" data-auto-event-observed=\"true\"><b>dilatometria<\/b><\/a><\/b> (DIL) \u00e8 una tecnica in cui si misura la variazione dimensionale (la lunghezza o il volume) di un materiale sottoposto a uno stress trascurabile in funzione della temperatura (ad esempio espansione o contrazione) mentre il materiale \u00e8 sottoposto ad un programma di temperatura controllata in un&#8217;atmosfera specifica.<\/p><p>Nel determinare la variazione dimensionale, si distingue tra <strong>coefficienti di espansione lineare<\/strong> e <strong>coefficienti di espansione volumetrica<\/strong>.<\/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><p style=\"text-align: center;\"><em>Un campione rosso in un dilatometro<\/em><\/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\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 elementor-invisible e-con e-parent\" data-id=\"8801439\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;animation&quot;:&quot;fadeInUp&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>I seguenti risultati di misurazione possono essere determinati con la dilatometria:<\/strong><\/p><ul><li>Determinazione del coefficiente di espansione termica (CTE)<\/li><li><a href=\"https:\/\/www.linseis.com\/it\/?page_id=100294\" data-auto-event-observed=\"true\"><strong>Espansione termica lineare (\u0394L)<\/strong><\/a><\/li><li>Temperature di sinterizzazione e fasi di sinterizzazione<\/li><li>Determinazione della\u00a0<a href=\"https:\/\/www.linseis.com\/it\/?p=100024\" data-auto-event-observed=\"true\"><strong>transizione vetrosa <sub>(Tg<\/sub>)<\/strong><br \/><\/a><\/li><li><a href=\"https:\/\/www.linseis.com\/it\/?p=100090\" data-auto-event-observed=\"true\"><strong>Cambiamento di fase<\/strong><\/a><\/li><li>Ottimizzazione dei processi di combustione<\/li><li>Variazioni di volume (coefficiente di espansione volumetrica)<\/li><li>Sinterizzazione a velocit\u00e0 controllata (RCS)<\/li><li>Decomposizione<\/li><li>Variazione di densit\u00e0<\/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>Coefficiente di espansione lineare CTE<\/h2>\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>Il coefficiente di espansione lineare viene utilizzato come parametro per descrivere la variazione di lunghezza. Il campione viene posizionato su un portacampioni inserito in un forno. Un&#8217;asta di spinta dello stesso materiale del portacampioni (vetro di quarzo, ossido di alluminio) trasferisce l&#8217;espansione termica del campione a un trasduttore di spostamento, che misura lo spostamento. Lo spostamento viene misurato in forma analogica o digitale.<\/p><p>Le dimensioni geometriche dei materiali cambiano al variare della temperatura. Questo fenomeno pu\u00f2 essere descritto con il seguente coefficiente di espansione termica lineare (CTE):<\/p><p><strong>CTE lineare = \u0394<\/strong><strong>L-1\/\u0394<\/strong><strong>T-1\/L<\/strong><\/p><p>dove \u0394L rappresenta la variazione di lunghezza causata da una variazione di temperatura (\u0394T) nella lunghezza (L) del campione.<\/p><p>Il trasduttore di spostamento \u00e8 saldamente collegato al riferimento. Poich\u00e9 il riferimento e l&#8217;asta di spinta si estendono allo stesso modo durante il riscaldamento, l&#8217;espansione del campione viene misurata rispetto al materiale di riferimento. L&#8217;espansione termica effettiva del campione \u00e8 quindi pari al valore misurato dal trasduttore di spostamento pi\u00f9 l&#8217;espansione di un pezzo di materiale di riferimento della stessa lunghezza del campione.<\/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>Dilatometria ottica<\/h2>\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 dilatometria ottica pu\u00f2 essere utilizzata per analizzare i processi di sinterizzazione e l&#8217;espansione termica lineare, in particolare per materiali anisotropi e fragili, nonch\u00e9 per campioni con geometrie complicate. La determinazione termomeccanica senza contatto consente anche di determinare il punto di rammollimento e le temperature di fusione dei materiali.<\/p>\n<p><strong>Come funziona la dilatometria ottica in un dispositivo di misurazione?<\/strong><\/p>\n<p>Nell&#8217;analisi termo-ottica con un dilatometro dotato di fotocamera, il campione viene irradiato con la luce da un lato e le ombre vengono registrate sull&#8217;altro lato. Un computer utilizza i dati ottenuti per calcolare la variazione di lunghezza del campione. <\/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-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><p style=\"text-align: center;\"><em>Dilatometria ottica &#8211; immagine in bianco e nero durante un processo di riscaldamento<\/em><\/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-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>I seguenti standard fanno riferimento a questo metodo:<\/h2>\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<\/strong> &#8211; Metodo di prova standard per l&#8217;espansione termica lineare dei materiali solidi mediante analisi termomeccanica.<\/p><p><strong>ASTM D696<\/strong> &#8211; Questo metodo di prova riguarda la determinazione del coefficiente di espansione termica lineare per i materiali plastici con un coefficiente di espansione superiore a 1 \u00b5m\/(m.\u00b0C) utilizzando un dilatometro per la silice vetrosa.<\/p><p><strong>ASTM E228<\/strong> &#8211; Metodo di prova standard per l&#8217;espansione termica lineare dei materiali solidi con un dilatometro a barra di taglio.<\/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\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>Dilatometria Dilatometria La dilatometria (DIL) \u00e8 una tecnica in cui si misura la variazione dimensionale (la lunghezza o il volume) di un materiale sottoposto a uno stress trascurabile in funzione della temperatura (ad esempio espansione o contrazione) mentre il materiale \u00e8 sottoposto ad un programma di temperatura controllata in un&#8217;atmosfera specifica. Nel determinare la variazione [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":100333,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-100346","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/pages\/100346","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/comments?post=100346"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/pages\/100346\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/pages\/100333"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/it\/wp-json\/wp\/v2\/media?parent=100346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}