Yıl: 2020 Cilt: 9 Sayı: 2 Sayfa Aralığı: 1108 - 1117 Metin Dili: İngilizce DOI: 10.28948/ngumuh.725631 İndeks Tarihi: 04-06-2021

DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES

Öz:
Metal/Fiber-reinforced polymer (FRP) composite joints with lower coefficients of friction are increasingly replaced metal-metal couples in a variety of fields. The wear performance of metal/FRP tribo-contacts becomes a key design parameter for their service life, and the improvement in the wear performance of metal-FRP friction pairs is needed to extend their applications. In this paper, sliding friction and wear characteristics of carbon fiber (CF) reinforced epoxy composites against metallic counterparts were investigated. Tests were performed on a ball-on-disk tester at a constant normal load and velocity against chromium steel under dry ambient. Moreover, calcium carbonate (CaCO3) nano reinforcements were introduced into Epoxy/CFcomposites to improve their wear performance. The coefficient of friction (65%) and the specific wear rate (75%) were drastically reduced with the addition of CaCO3 nano reinforcements. Worn surfaces were analyzed by scanning electron microscopy (SEM) to evaluate the wear mechanisms. It was concluded that the abrasion dominated wear mechanism of the neat Epoxy/CF composites transformed into adhesion for the multi-scale composites with the addition of cubic CaCO3 nanoparticles, which is responsible for the increased wear performance of neat Epoxy/CF composites. This impact was most likely attributed to two main factors: “nano CaCO3 particles facilitate sliding” and “act as a solid lubricant”.
Anahtar Kelime:

CACO3 NANOPARTİKÜL DOLGULU EPOKSİ/KARBON FİBER KOMPOZİTLERİN KURU SÜRTÜNME ve AŞINMA ÖZELLİKLERİ

Öz:
Düşük sürtünme katsayılı metal/fiber takviyeli polimer (FRP) kompozit bağlantılar, çeşitli alanlarda giderek metal-metal çiftlerinyerini almaktadır. Metal/FRP çiftlerinin aşınma performansı servis ömürlerine etki eden anahtar bir tasarım parametresi halinegelmiştir ve metal/FRP sürtünme çiftlerinin kullanım alanlarının genişletilmesi için aşınma performansının iyileştirilmesigerekmektedir. Bu makalede, karbon fiber takviyeli epoksi kompozitlerin metalik karşıt yüzeylere karşı kayma sürtünmesi veaşınma özellikleri araştırılmıştır. Testler, sabit bir normal yükte ve hızda kuru ortam altında krom çeliğe karşı ball-on-disk testcihazı üzerinde gerçekleştirilmiştir. Ayrıca, Epoksi/CF kompozitlere aşınma performanslarını artırmak için kalsiyum karbonat(CaCO3) nano takviyeleri eklenmiştir. CaCO3 nano takviyelerin eklenmesiyle sürtünme katsayısı (%65) ve özgül aşınma oranı (%75) önemli ölçüde azaltılmıştır. Aşınma mekanizmalarının değerlendirilmesi için aşınmış yüzeyler taramalı elektronmikroskopisi (SEM) ile analiz edilmiştir. Elde edilen sonuçlar neticesinde, yalın Epoksi/CF kompozitlerde ana aşınmamekanizması olarak gözlemlenen abrazif aşınma, kübik CaCO3 nano takviyelerin ilavesiyle üretilen çok-ölçekli kompozitlerdeadhezif aşınma mekanizmasına dönüşmüş ve aşınma mekanizmasındaki dönüşüm yalın kompozitlerin aşınma performansınınartmasında temel rolü oynamıştır. Bu etki: “CaCO3 partiküllerin kaymayı mümkün kılması” ve “katı yağlayıcı görevi görmesi”olmak üzere büyük oranda iki temel faktöre dayandırılmıştır:
Anahtar Kelime:

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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APA Sukur E (2020). DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES. , 1108 - 1117. 10.28948/ngumuh.725631
Chicago Sukur Emine Feyza DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES. (2020): 1108 - 1117. 10.28948/ngumuh.725631
MLA Sukur Emine Feyza DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES. , 2020, ss.1108 - 1117. 10.28948/ngumuh.725631
AMA Sukur E DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES. . 2020; 1108 - 1117. 10.28948/ngumuh.725631
Vancouver Sukur E DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES. . 2020; 1108 - 1117. 10.28948/ngumuh.725631
IEEE Sukur E "DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES." , ss.1108 - 1117, 2020. 10.28948/ngumuh.725631
ISNAD Sukur, Emine Feyza. "DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES". (2020), 1108-1117. https://doi.org/10.28948/ngumuh.725631
APA Sukur E (2020). DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES. Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi, 9(2), 1108 - 1117. 10.28948/ngumuh.725631
Chicago Sukur Emine Feyza DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES. Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi 9, no.2 (2020): 1108 - 1117. 10.28948/ngumuh.725631
MLA Sukur Emine Feyza DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES. Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi, vol.9, no.2, 2020, ss.1108 - 1117. 10.28948/ngumuh.725631
AMA Sukur E DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES. Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi. 2020; 9(2): 1108 - 1117. 10.28948/ngumuh.725631
Vancouver Sukur E DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES. Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi. 2020; 9(2): 1108 - 1117. 10.28948/ngumuh.725631
IEEE Sukur E "DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES." Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi, 9, ss.1108 - 1117, 2020. 10.28948/ngumuh.725631
ISNAD Sukur, Emine Feyza. "DRY SLIDING FRICTION and WEAR PROPERTIES of CaCO3 NANOPARTICLEFILLED EPOXY/CARBON FIBER COMPOSITES". Niğde Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi 9/2 (2020), 1108-1117. https://doi.org/10.28948/ngumuh.725631