{"id":7819,"date":"2020-02-11T14:38:38","date_gmt":"2020-02-11T14:38:38","guid":{"rendered":"https:\/\/nanovea.com\/?p=7819"},"modified":"2025-05-22T20:57:21","modified_gmt":"2025-05-22T20:57:21","slug":"nem-etki%cc%87si%cc%87-on-dlc-kaplama-tri%cc%87boloji%cc%87si%cc%87","status":"publish","type":"post","link":"https:\/\/nanovea.com\/tr\/humidity-effect-on-dlc-coating-tribology\/","title":{"rendered":"DLC Kaplama Tribolojisi \u00dczerinde Nem Etkisi"},"content":{"rendered":"
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Nemde DLC'de A\u015f\u0131nma De\u011ferlendirmesinin \u00d6nemi
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Elmas benzeri karbon (DLC) kaplamalar, m\u00fckemmel a\u015f\u0131nma direnci ve \u00e7ok d\u00fc\u015f\u00fck s\u00fcrt\u00fcnme katsay\u0131s\u0131 (COF) gibi geli\u015fmi\u015f tribolojik \u00f6zelliklere sahiptir. DLC kaplamalar farkl\u0131 malzemeler \u00fczerine uyguland\u0131\u011f\u0131nda elmas \u00f6zellikleri kazand\u0131r\u0131r. Uygun tribo-mekanik \u00f6zellikler, DLC kaplamalar\u0131n\u0131 havac\u0131l\u0131k par\u00e7alar\u0131, t\u0131ra\u015f b\u0131\u00e7aklar\u0131, metal kesme aletleri, rulmanlar, motosiklet motorlar\u0131 ve t\u0131bbi implantlar gibi \u00e7e\u015fitli end\u00fcstriyel uygulamalarda tercih edilir hale getirir.<\/p>\n

DLC kaplamalar, y\u00fcksek vakum ve kuru ko\u015fullar alt\u0131nda \u00e7elik bilyelere kar\u015f\u0131 \u00e7ok d\u00fc\u015f\u00fck COF (0,1'in alt\u0131nda) sergiler12<\/sup>. Bununla birlikte, DLC kaplamalar \u00e7evresel ko\u015fullardaki de\u011fi\u015fikliklere, \u00f6zellikle de ba\u011f\u0131l neme (RH) kar\u015f\u0131 hassast\u0131r3<\/sup>. Y\u00fcksek nem ve oksijen konsantrasyonuna sahip ortamlar COF'de \u00f6nemli art\u0131\u015fa neden olabilir4<\/sup>. Kontroll\u00fc nemde g\u00fcvenilir a\u015f\u0131nma de\u011ferlendirmesi, tribolojik uygulamalar i\u00e7in DLC kaplamalar\u0131n ger\u00e7ek\u00e7i \u00e7evresel ko\u015fullar\u0131n\u0131 sim\u00fcle eder. Kullan\u0131c\u0131lar hedef uygulamalar i\u00e7in en iyi DLC kaplamalar\u0131n\u0131 do\u011fru kar\u015f\u0131la\u015ft\u0131rmayla se\u00e7erler
\nFarkl\u0131 neme maruz kalan DLC a\u015f\u0131nma davran\u0131\u015flar\u0131n\u0131n.
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\u00d6l\u00e7\u00fcm Hedefi<\/p>\n

Bu \u00e7al\u0131\u015fma Nanovea'y\u0131 tan\u0131t\u0131yor Tribometre <\/a>Nem kontrol cihaz\u0131yla donat\u0131lm\u0131\u015f bu cihaz, \u00e7e\u015fitli ba\u011f\u0131l nem ko\u015fullar\u0131nda DLC kaplamalar\u0131n a\u015f\u0131nma davran\u0131\u015f\u0131n\u0131 ara\u015ft\u0131rmak i\u00e7in ideal bir ara\u00e7t\u0131r.<\/p>\n

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Test Prosed\u00fcr\u00fc
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DLC kaplamalar\u0131n s\u00fcrt\u00fcnme ve a\u015f\u0131nma direnci Nanovea Tribometer ile de\u011ferlendirildi. Test parametreleri Tablo 1'de \u00f6zetlenmi\u015ftir. Tribo odas\u0131na tak\u0131lan bir nem kontrol cihaz\u0131, ba\u011f\u0131l nemi (RH) \u00b11% do\u011frulukla hassas bir \u015fekilde kontrol etti. Testler sonras\u0131nda DLC kaplamalardaki a\u015f\u0131nma izleri ve SiN toplar\u0131ndaki a\u015f\u0131nma izleri optik mikroskop kullan\u0131larak incelendi.<\/p>\n

Not: Ya\u011flay\u0131c\u0131 veya y\u00fcksek s\u0131cakl\u0131k gibi \u00e7evresel ko\u015fullar alt\u0131nda farkl\u0131 malzeme ba\u011flant\u0131s\u0131n\u0131n performans\u0131n\u0131 sim\u00fcle etmek i\u00e7in herhangi bir kat\u0131 bilye malzemesi uygulanabilir.<\/p>\n



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Sonu\u00e7lar ve Tart\u0131\u015fma
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DLC kaplamalar, d\u00fc\u015f\u00fck s\u00fcrt\u00fcnmeleri ve \u00fcst\u00fcn a\u015f\u0131nma diren\u00e7leri nedeniyle tribolojik uygulamalar i\u00e7in m\u00fckemmeldir. DLC kaplama s\u00fcrt\u00fcnmesi \u015eekil 2'de g\u00f6sterilen neme ba\u011fl\u0131 davran\u0131\u015f sergilemektedir. DLC kaplama, nispeten kuru ko\u015fullarda (10% RH) a\u015f\u0131nma testi boyunca ~0,05'lik \u00e7ok d\u00fc\u015f\u00fck bir COF g\u00f6sterir. RH 30%'ye y\u00fckseldik\u00e7e DLC kaplama test s\u0131ras\u0131nda ~0,1'lik sabit bir COF sergiler. RH 50%'nin \u00fczerine \u00e7\u0131kt\u0131\u011f\u0131nda COF'un ilk \u00e7al\u0131\u015fma a\u015famas\u0131 ilk 2000 devirde g\u00f6zlemlenir. DLC kaplama 50, 70 ve 90% ba\u011f\u0131l nemde s\u0131ras\u0131yla ~0.20, ~0.26 ve ~0.33 maksimum COF g\u00f6sterir. Al\u0131\u015ft\u0131rma d\u00f6neminin ard\u0131ndan, DLC kaplama COF'si 50, 70 ve 90% RH'de s\u0131ras\u0131yla ~0.11, 0.13 ve 0.20'de sabit kal\u0131r.<\/span><\/p>\n

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\u015eekil 3'te SiN bilye a\u015f\u0131nma izleri ve \u015eekil 4'te a\u015f\u0131nma testlerinden sonra DLC kaplama a\u015f\u0131nma izleri kar\u015f\u0131la\u015ft\u0131r\u0131lmaktad\u0131r. DLC kaplama d\u00fc\u015f\u00fck nemli bir ortama maruz kald\u0131\u011f\u0131nda a\u015f\u0131nma izinin \u00e7ap\u0131 daha k\u00fc\u00e7\u00fck olmu\u015ftur. Temas y\u00fczeyinde tekrarlayan kayma i\u015flemi s\u0131ras\u0131nda SiN bilye y\u00fczeyinde transfer DLC tabakas\u0131 birikir. Bu a\u015famada DLC kaplama, ba\u011f\u0131l hareketi kolayla\u015ft\u0131rmak ve kesme deformasyonunun neden oldu\u011fu daha fazla k\u00fctle kayb\u0131n\u0131 s\u0131n\u0131rlamak i\u00e7in etkili bir ya\u011flay\u0131c\u0131 g\u00f6revi g\u00f6ren kendi transfer katman\u0131na kar\u015f\u0131 kayar. D\u00fc\u015f\u00fck ba\u011f\u0131l nem ortamlar\u0131nda (\u00f6rn. 10% ve 30%) SiN bilyenin a\u015f\u0131nma izinde bir transfer filmi g\u00f6zlemlenir ve bu da bilye \u00fczerinde yava\u015flat\u0131lm\u0131\u015f bir a\u015f\u0131nma s\u00fcrecine neden olur. Bu a\u015f\u0131nma s\u00fcreci \u015eekil 4'te g\u00f6sterildi\u011fi gibi DLC kaplaman\u0131n a\u015f\u0131nma izi morfolojisine de yans\u0131maktad\u0131r. DLC kaplama, temas aray\u00fcz\u00fcnde s\u00fcrt\u00fcnmeyi ve a\u015f\u0131nma oran\u0131n\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde azaltan stabil bir DLC transfer filmi olu\u015fumu nedeniyle kuru ortamlarda daha k\u00fc\u00e7\u00fck bir a\u015f\u0131nma izi sergiler.
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Sonu\u00e7<\/p>\n


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Nem, DLC kaplamalar\u0131n tribolojik performans\u0131nda hayati bir rol oynar. DLC kaplama, kayan muadilinin (bu \u00e7al\u0131\u015fmada bir SiN topu) \u00fczerine aktar\u0131lan stabil bir grafit tabakas\u0131n\u0131n olu\u015fmas\u0131 nedeniyle kuru ko\u015fullarda \u00f6nemli \u00f6l\u00e7\u00fcde artt\u0131r\u0131lm\u0131\u015f a\u015f\u0131nma direncine ve \u00fcst\u00fcn d\u00fc\u015f\u00fck s\u00fcrt\u00fcnmeye sahiptir. DLC kaplama, g\u00f6receli hareketi kolayla\u015ft\u0131rmak ve kayma deformasyonunun neden oldu\u011fu daha fazla k\u00fctle kayb\u0131n\u0131 s\u0131n\u0131rlamak i\u00e7in etkili bir ya\u011flay\u0131c\u0131 g\u00f6revi g\u00f6ren kendi transfer katman\u0131na do\u011fru kayar. Artan ba\u011f\u0131l nem ile SiN bilyesi \u00fczerinde bir film g\u00f6zlemlenmez, bu da SiN bilyas\u0131 ve DLC kaplamas\u0131 \u00fczerinde a\u015f\u0131nma oran\u0131n\u0131n artmas\u0131na neden olur.<\/p>\n

Nanovea Tribometre, \u00f6nceden entegre edilmi\u015f tek bir sistemde iste\u011fe ba\u011fl\u0131 nem mod\u00fclleri ile ISO ve ASTM uyumlu d\u00f6ner ve do\u011frusal modlar\u0131 kullanarak tekrarlanabilir a\u015f\u0131nma ve s\u00fcrt\u00fcnme testleri sunar. Kullan\u0131c\u0131lar\u0131n \u00e7al\u0131\u015fma ortam\u0131n\u0131 farkl\u0131 nem ko\u015fullar\u0131nda sim\u00fcle etmelerine olanak tan\u0131yarak, kullan\u0131c\u0131lara farkl\u0131 \u00e7al\u0131\u015fma ko\u015fullar\u0131 alt\u0131nda malzemelerin tribolojik davran\u0131\u015flar\u0131n\u0131 niceliksel olarak de\u011ferlendirmek i\u00e7in ideal bir ara\u00e7 sa\u011flar.<\/p>\n



Nanovea Tribometre ve Laboratuvar Hizmeti Hakk\u0131nda Daha Fazla Bilgi Edinin
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1 C. Donnet, Surf. Kaplama. Technol. 100-101 (1998) 180.
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2 K. Miyoshi, B. Pohlchuck, K.W. Street, J.S. Zabinski, J.H. Sanders, A.A. Voevodin, R.L.C. Wu, Wear 225-229 (1999) 65.
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3 R. Gilmore, R. Hauert, Surf. Kaplama. Technol. 133-134 (2000) 437.
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4 R. Memming, H.J. Tolle, P.E. Wierenga, Thin Solid Coatings 143 (1986) 31
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Benzer bir uygulaman\u0131z var m\u0131?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\u015eIMDI BIR UZMANLA G\u00d6R\u00dc\u015e\u00dcN<\/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
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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tFI\u0307YATLANDIRMA VE DETAYLARI HIZLI ALIN<\/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>","protected":false},"excerpt":{"rendered":"

Importance of Wear Evaluation on DLC in Humidity Diamond-like carbon (DLC) coatings possess enhanced tribological properties, namely excellent wear resistance and a very low coefficient of friction (COF). DLC coatings impart diamond characteristics when deposited on different materials. Favorable tribo-mechanical properties make DLC coatings preferable in various industrial applications, such as aerospace parts, razor blades, […]<\/p>\n","protected":false},"author":1,"featured_media":11695,"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":[7,382,349,372,373,336],"tags":[],"class_list":["post-7819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application-notes","category-humidity-gases-tribology","category-laboratory-testing","category-linear-tribology","category-rotational-tribology","category-tribology-testing"],"_links":{"self":[{"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/posts\/7819","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=7819"}],"version-history":[{"count":33,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/posts\/7819\/revisions"}],"predecessor-version":[{"id":24791,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/posts\/7819\/revisions\/24791"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/media\/11695"}],"wp:attachment":[{"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/media?parent=7819"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/categories?post=7819"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/tags?post=7819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}