{"id":7821,"date":"2017-02-11T14:40:05","date_gmt":"2017-02-11T14:40:05","guid":{"rendered":"https:\/\/nanovea.com\/?p=7821"},"modified":"2023-06-08T16:10:38","modified_gmt":"2023-06-08T16:10:38","slug":"dongusel-nanoindentasyon-stres-gerinim-olcumu","status":"publish","type":"post","link":"https:\/\/nanovea.com\/tr\/dongusel-nanoindentasyon-stres-gerinim-olcumu\/","title":{"rendered":"D\u00f6ng\u00fcsel Nanoindentasyon Stres-\u015eekil De\u011fi\u015ftirme \u00d6l\u00e7\u00fcm\u00fc"},"content":{"rendered":"
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D\u00f6ng\u00fcsel Nanoindentasyon Stres-\u015eekil De\u011fi\u015ftirme \u00d6l\u00e7\u00fcm\u00fc<\/p>

Daha fazla bilgi edinin<\/p>\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

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\u00a0<\/div>\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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Nanoindentasyonun \u00d6nemi
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S\u00fcrekli sertlik \u00f6l\u00e7\u00fcmleri (CSM) ile elde edilen nanoindentasyon<\/a> malzemelerin gerilme-gerinim ili\u015fkisini minimal invaziv y\u00f6ntemlerle ortaya koyar. Geleneksel \u00e7ekme testi y\u00f6ntemlerinin aksine nanoindentasyon, b\u00fcy\u00fck bir cihaza ihtiya\u00e7 duymadan nano \u00f6l\u00e7ekte gerilme-gerinim verileri sa\u011flar. Gerilme-gerinim e\u011frisi, numune artan y\u00fcklere maruz kald\u0131k\u00e7a elastik ve plastik davran\u0131\u015f aras\u0131ndaki e\u015fik hakk\u0131nda \u00f6nemli bilgiler sa\u011flar. CSM, tehlikeli ekipman olmadan bir malzemenin akma gerilimini belirleme olana\u011f\u0131 sa\u011flar.<\/span><\/p>

\u00a0<\/span><\/p>

Nanoindentasyon, gerilme-gerinim verilerini h\u0131zl\u0131 bir \u015fekilde ara\u015ft\u0131rmak i\u00e7in g\u00fcvenilir ve kullan\u0131c\u0131 dostu bir y\u00f6ntem sa\u011flar. Ayr\u0131ca, nano \u00f6l\u00e7ekte gerilme-gerinim davran\u0131\u015f\u0131n\u0131n \u00f6l\u00e7\u00fclmesi, malzemelerdeki k\u00fc\u00e7\u00fck kaplamalar ve partik\u00fcller daha da geli\u015ftik\u00e7e \u00f6nemli \u00f6zelliklerin incelenmesini m\u00fcmk\u00fcn k\u0131lar. Nanoindentasyon, sertlik, elastik mod\u00fcl, s\u00fcnme, k\u0131r\u0131lma toklu\u011fu vb. \u00f6zelliklerin yan\u0131 s\u0131ra elastik limit ve akma dayan\u0131m\u0131 hakk\u0131nda da bilgi sa\u011flayarak onu \u00e7ok y\u00f6nl\u00fc bir metroloji arac\u0131 haline getirir.<\/p>

Bu \u00e7al\u0131\u015fmada nano indentasyonla sa\u011flanan gerilme-gerinim verileri, y\u00fczeye yaln\u0131zca 1,2 mikron girerken malzemenin elastik s\u0131n\u0131r\u0131n\u0131 tan\u0131mlamaktad\u0131r. CSM'yi, bir girinti y\u00fczeyin derinliklerine do\u011fru ilerledik\u00e7e malzemelerin mekanik \u00f6zelliklerinin nas\u0131l geli\u015fti\u011fini belirlemek i\u00e7in kullan\u0131yoruz. Bu, \u00f6zellikle \u00f6zelliklerin derinli\u011fe ba\u011fl\u0131 olabilece\u011fi ince film uygulamalar\u0131nda kullan\u0131\u015fl\u0131d\u0131r. Nano indentasyon, test numunelerindeki malzeme \u00f6zelliklerini do\u011frulamak i\u00e7in minimal invaziv bir y\u00f6ntemdir.<\/p>

CSM testi, derinli\u011fe kar\u015f\u0131 malzeme \u00f6zelliklerinin \u00f6l\u00e7\u00fclmesinde faydal\u0131d\u0131r. Daha karma\u015f\u0131k malzeme \u00f6zelliklerini belirlemek i\u00e7in sabit y\u00fcklerde d\u00f6ng\u00fcsel testler yap\u0131labilir. Bu, yorulmay\u0131 incelemek veya ger\u00e7ek elastik mod\u00fcl\u00fc elde etmek i\u00e7in g\u00f6zeneklili\u011fin etkisini ortadan kald\u0131rmak i\u00e7in yararl\u0131 olabilir.<\/p>

\u00d6l\u00e7\u00fcm Hedefi<\/p>

Bu uygulamada Nanovea mekanik test cihaz\u0131, standart bir \u00e7elik numune \u00fczerinde sertlik ve elastik mod\u00fcl ile derinlik ve gerilme-gerinim verilerini incelemek i\u00e7in CSM kullanmaktad\u0131r. \u00c7elik, nano \u00f6l\u00e7ekli gerilme-gerinim verilerinin kontrol\u00fcn\u00fc ve do\u011frulu\u011funu g\u00f6stermek i\u00e7in yayg\u0131n olarak bilinen \u00f6zellikleri nedeniyle se\u00e7ilmi\u015ftir. \u00c7elik i\u00e7in elastik s\u0131n\u0131r\u0131n \u00f6tesinde yeterince y\u00fcksek gerilmelere ula\u015fmak i\u00e7in 5 mikron yar\u0131\u00e7apl\u0131 k\u00fcresel bir u\u00e7 kullan\u0131lm\u0131\u015ft\u0131r.<\/span><\/p>

\u00a0<\/span><\/p>

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Test Ko\u015fullar\u0131 ve Prosed\u00fcrleri
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A\u015fa\u011f\u0131daki girinti parametreleri kullan\u0131lm\u0131\u015ft\u0131r:<\/span><\/p>

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Sonu\u00e7lar: <\/strong><\/em><\/p>

\u00a0<\/div>

Sal\u0131n\u0131mlar s\u0131ras\u0131nda y\u00fckteki art\u0131\u015f, a\u015fa\u011f\u0131daki derinli\u011fe kar\u015f\u0131 y\u00fck e\u011frisini sa\u011flar. Girinti malzemeye n\u00fcfuz ederken gerilme-\u015fekil de\u011fi\u015ftirme verilerini bulmak i\u00e7in y\u00fckleme s\u0131ras\u0131nda 100'den fazla sal\u0131n\u0131m ger\u00e7ekle\u015ftirilmi\u015ftir.<\/span><\/p>

\u00a0<\/span><\/p>

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Her d\u00f6ng\u00fcde elde edilen bilgilerden gerilme ve gerinimi belirledik. Her d\u00f6ng\u00fcdeki maksimum y\u00fck ve derinlik, her d\u00f6ng\u00fcde malzemeye uygulanan maksimum gerilimi hesaplamam\u0131z\u0131 sa\u011flar. Gerinim, k\u0131smi bo\u015faltmadan kaynaklanan her d\u00f6ng\u00fcdeki kal\u0131nt\u0131 derinlikten hesaplan\u0131r. Bu, gerinim fakt\u00f6r\u00fcn\u00fc vermek i\u00e7in ucun yar\u0131\u00e7ap\u0131n\u0131 b\u00f6lerek kal\u0131nt\u0131 izinin yar\u0131\u00e7ap\u0131n\u0131 hesaplamam\u0131z\u0131 sa\u011flar. Malzeme i\u00e7in gerilime kar\u015f\u0131 gerinim grafi\u011fi, kar\u015f\u0131l\u0131k gelen elastik limit gerilimi ile elastik ve plastik b\u00f6lgeleri g\u00f6sterir. Testlerimiz, malzemenin elastik ve plastik b\u00f6lgeleri aras\u0131ndaki ge\u00e7i\u015fin 1,45 GPa'l\u0131k bir elastik limit ile 0,076 gerinim civar\u0131nda oldu\u011funu belirlemi\u015ftir.<\/p>

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Her d\u00f6ng\u00fc tek bir girinti gibi davran\u0131r, bu nedenle y\u00fck\u00fc art\u0131rd\u0131k\u00e7a \u00e7elikte \u00e7e\u015fitli kontroll\u00fc derinliklerde testler yapar\u0131z. B\u00f6ylece, derinli\u011fe kar\u015f\u0131 sertlik ve elastik mod\u00fcl, her d\u00f6ng\u00fc i\u00e7in elde edilen verilerden do\u011frudan \u00e7izilebilir.<\/p>

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\u00c7entik malzemenin i\u00e7ine do\u011fru ilerledik\u00e7e sertli\u011fin artt\u0131\u011f\u0131n\u0131 ve elastik mod\u00fcl\u00fcn azald\u0131\u011f\u0131n\u0131 g\u00f6r\u00fcr\u00fcz.<\/p>

Sonu\u00e7<\/p>

\"\"<\/a><\/p>

Nanovea mekanik test cihaz\u0131n\u0131n g\u00fcvenilir stres-gerinim verileri sa\u011flad\u0131\u011f\u0131n\u0131 g\u00f6sterdik. CSM girintili k\u00fcresel bir u\u00e7 kullanmak, artan stres alt\u0131nda malzeme \u00f6zelli\u011fi \u00f6l\u00e7\u00fcm\u00fcne olanak tan\u0131r. Y\u00fck ve girinti yar\u0131\u00e7ap\u0131, \u00e7e\u015fitli malzemeleri kontroll\u00fc derinliklerde test etmek i\u00e7in de\u011fi\u015ftirilebilir. Nanovea mekanik test cihazlar\u0131 bu indentasyon testlerini alt mN aral\u0131\u011f\u0131ndan 400N'ye kadar sa\u011flar.<\/p>

\u00a0<\/p>\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>","protected":false},"excerpt":{"rendered":"

D\u00f6ng\u00fcsel Nanoindentasyon Stres-\u015eekil De\u011fi\u015ftirme \u00d6l\u00e7\u00fcm\u00fc Daha fazla bilgi<\/p>","protected":false},"author":1,"featured_media":7845,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[7,367,344,349,337,1],"tags":[],"class_list":["post-7821","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application-notes","category-indentation-stress-strain","category-indentation-yield-strength-fatigue","category-laboratory-testing","category-mechanical-testing","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/posts\/7821","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/comments?post=7821"}],"version-history":[{"count":31,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/posts\/7821\/revisions"}],"predecessor-version":[{"id":22574,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/posts\/7821\/revisions\/22574"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/media\/7845"}],"wp:attachment":[{"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/media?parent=7821"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/categories?post=7821"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/tags?post=7821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}