{"id":113499,"date":"2024-07-26T11:37:07","date_gmt":"2024-07-26T09:37:07","guid":{"rendered":"https:\/\/www.linseis.com\/termal-analiz-yoentemleri\/termomekanik-analiz\/"},"modified":"2026-01-23T11:43:13","modified_gmt":"2026-01-23T10:43:13","slug":"termomekanik-analiz","status":"publish","type":"page","link":"https:\/\/www.linseis.com\/tr\/termal-analiz-yoentemleri\/termomekanik-analiz\/","title":{"rendered":"Termomekanik analiz"},"content":{"rendered":"\t\t
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\n\nTermomekanik analiz\n\n<\/b><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Linseis<\/span><\/a><\/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
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Termomekanik analiz<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Termomekanik analiz, esas olarak termal genle\u015fme katsay\u0131s\u0131n\u0131 (CTE) \u00f6l\u00e7mek i\u00e7in kullan\u0131lan bir termal analiz y\u00f6ntemidir. termal genle\u015fme katsay\u0131s\u0131 (CTE)<\/a> <\/strong>ile yak\u0131ndan ili\u015fkilidir ve bu nedenle dilatometri<\/a><\/strong> dilatometri ile yak\u0131ndan ili\u015fkilidir.<\/p>

Dilatometri y\u00fck olmadan genle\u015fmeyi \u00f6l\u00e7er ve termomekanik analiz kontroll\u00fc y\u00fck alt\u0131nda \u00f6l\u00e7\u00fcm yapar. Numune ile temas halindeki itme \u00e7ubu\u011funun yer de\u011fi\u015ftirmesi s\u0131cakl\u0131\u011f\u0131n bir fonksiyonu olarak \u00f6l\u00e7\u00fcl\u00fcr. <\/p><\/div><\/div><\/div><\/div><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Bir termobalans\u0131n yap\u0131s\u0131<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Klasik termogravimetride, bir numune genellikle inert malzemeden (\u00f6rne\u011fin platin, al\u00fcminyum oksit, alt\u0131n…) olu\u015fan bir potaya yerle\u015ftirilir ve kontroll\u00fc atmosfer ve s\u0131cakl\u0131klar uygulayabilen bir f\u0131r\u0131n i\u00e7indeki bir sens\u00f6r\u00fcn \u00fczerine yerle\u015ftirilir (\u015eema 1).<\/p><\/div><\/div><\/div><\/div><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Numuneyi, piston \u00e7ubu\u011funu ve yer de\u011fi\u015ftirme sens\u00f6r\u00fcn\u00fc (LVDT) g\u00f6steren bir termomekanik analiz\u00f6r kurulumu<\/em><\/p><\/div><\/div><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Numunelerin yumu\u015famas\u0131n\u0131 analiz etmek i\u00e7in daha y\u00fcksek kuvvetler ve\/veya u\u00e7lu pistonlar (penetrasyon pistonlar\u0131) kullan\u0131labilir. Bu, a\u015fa\u011f\u0131dakileri \u00f6l\u00e7mek i\u00e7in kullan\u0131\u015fl\u0131d\u0131r cam ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131 (Tg)<\/strong><\/a> polimerlerin. <\/p>

Termomekanik analiz, s\u0131kl\u0131kla kullan\u0131lan termomekanik analizden \u00e7ok daha hassast\u0131r. Diferansiyel taramal\u0131 kalorimetri (DSC)<\/a><\/strong>. Hassasiyet, sal\u0131n\u0131ml\u0131 bir yan\u0131t sinyaline yol a\u00e7an sal\u0131n\u0131ml\u0131 kuvvetler (\u00f6rn. sin\u00fczoidal, \u00fc\u00e7gen, dikd\u00f6rtgen) kullan\u0131larak art\u0131r\u0131labilir. <\/p><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Bir elastomerin cams\u0131 ge\u00e7i\u015finin sal\u0131n\u0131m kuvvetiyle TMA ile tespiti; Tg, dedekt\u00f6r\u00fcn yan\u0131t sinyalinde g\u00fc\u00e7l\u00fc bir art\u0131\u015fla g\u00f6sterilen 29\u00b0C’de bulunmu\u015ftur<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Di\u011fer tip pistonlar ve \u00f6l\u00e7\u00fcm d\u00fczenekleri, elastikiyet mod\u00fcl\u00fcn\u00fc tahmin etmeyi veya liflerin ve filmlerin CTE’sini \u00f6l\u00e7meyi m\u00fcmk\u00fcn k\u0131lar. \u0130kinci durumda, numune \u00f6zel bir numune tutucuya s\u0131k\u0131\u015ft\u0131r\u0131l\u0131r ve numuneye hafif bir gerilim uygulan\u0131r. <\/p><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\u00c7e\u015fitli TMA \u00f6l\u00e7\u00fcm sistemleri<\/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

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Termomekanik analizin \u00f6zellikleri ve reaksiyonlar\u0131<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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TMA \u015fu alanlarda kullan\u0131l\u0131r poli\u0307mer bi\u0307li\u0307mi\u0307<\/a><\/strong> termal genle\u015fme katsay\u0131s\u0131n\u0131 (CTE) ve liflerin ve filmlerin gerilme\/gerinim davran\u0131\u015f\u0131n\u0131 \u00f6l\u00e7mek i\u00e7in kullan\u0131l\u0131r. Bir polimer numunesinin \u0131s\u0131t\u0131lmas\u0131 s\u0131ras\u0131nda \u00e7\u00f6z\u00fcc\u00fc buharla\u015fabilir, sertle\u015fmemi\u015f par\u00e7alar\u0131n sertle\u015fmesi ve polimer zincirlerinin yeniden d\u00fczenlenmesi meydana gelebilir ve\/veya yeniden kristalle\u015fme b\u00fcz\u00fclme (negatif genle\u015fme) olarak alg\u0131lanabilir. <\/p>

Yumu\u015fama davran\u0131\u015f\u0131 ve cams\u0131 ge\u00e7i\u015f s\u0131cakl\u0131klar\u0131 (Tg) da esas olarak bir sal\u0131n\u0131m kuvveti uygulanarak ara\u015ft\u0131r\u0131labilir.<\/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

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Termomekanik analiz i\u00e7in standartlar<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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  • ISO 11359: Plastikler – Termomekanik analiz (TMA)<\/strong><\/li><\/ul>


    Plastikler – Termomekanik analiz (TMA) – B\u00f6l\u00fcm 1: Genel ilkeler<\/p>

    Plastikler – Termomekanik analiz (TMA) – B\u00f6l\u00fcm 2: Do\u011frusal termal genle\u015fme katsay\u0131s\u0131n\u0131n ve cams\u0131 ge\u00e7i\u015f s\u0131cakl\u0131\u011f\u0131n\u0131n belirlenmesi<\/p>

    • ASTM E831 -19 Termomekanik Analiz ile Kat\u0131 Malzemelerin Do\u011frusal Termal Genle\u015fmesi i\u00e7in Standart Test Y\u00f6ntemi

      <\/strong><\/li>
    • ASTM E2113 – 18 Termomekanik Analiz\u00f6rlerin Uzant\u0131s\u0131n\u0131n Kalibrasyonu i\u00e7in Standart Test Y\u00f6ntemleri

      <\/strong><\/li>
    • ASTM E1363 – 18 Termomekanik Analiz\u00f6rlerin S\u0131cakl\u0131k Kalibrasyonu i\u00e7in Standart Test Y\u00f6ntemleri<\/strong><\/li><\/ul>\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":"

      Termomekanik analiz Termomekanik analiz Termomekanik analiz, esas olarak termal genle\u015fme katsay\u0131s\u0131n\u0131 (CTE) \u00f6l\u00e7mek i\u00e7in kullan\u0131lan bir termal analiz y\u00f6ntemidir. termal genle\u015fme katsay\u0131s\u0131 (CTE) ile yak\u0131ndan ili\u015fkilidir ve bu nedenle dilatometri dilatometri ile yak\u0131ndan ili\u015fkilidir. Dilatometri y\u00fck olmadan genle\u015fmeyi \u00f6l\u00e7er ve termomekanik analiz kontroll\u00fc y\u00fck alt\u0131nda \u00f6l\u00e7\u00fcm yapar. Numune ile temas halindeki itme \u00e7ubu\u011funun yer de\u011fi\u015ftirmesi […]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":113451,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-113499","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/pages\/113499","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/comments?post=113499"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/pages\/113499\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/pages\/113451"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/tr\/wp-json\/wp\/v2\/media?parent=113499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}