INVESTIGATION OF THE EFFECT OF SOLID LUBRICANT ADDITIVE IN EPOXY MATRIX COMPOSITES ON THE REDUCING OF FRICTION LOSS

Yıl 2019, Cilt: 8 Sayı: 1, 583 - 592, 28.01.2019

Bilge Yaman Islak , Gökhan Açıkbaş Nurcan Çalış Açıkbaş

https://doi.org/10.28948/ngumuh.517203

Cited By: 1

Öz

   In this
study, the effect of epoxy matrix composite on the wear resistance was
investigated by adding the lubricator graphite filler element in high amounts
(25-52% by volume) of epoxy matrix. Epoxy matrix composites are
produced by open molding technique. 3-point bending strength, bending modulus,
hardness and density measurements of graphite-filled composites were carried
out and microstructure developments were examined. Wear tests were carried out at room temperature under a 5N load, in a
ball-on-disc wear device up to a wear distance of 200m. The effects of physico-mechanical properties and microstructure development
on wear behavior were investigated. As a result, the best abrasion resistance
was obtained in 30% graphite added composite material.

Anahtar Kelimeler

Solid Lubricant, Composite Materials, Graphite, Epoxy

EPOKSİ MATRİSLİ KOMPOZİTLERDE KATI YAĞLAYICI İLAVESİNİN SÜRTÜNME KAYBININ AZALTILMASINA ETKİSİNİN İNCELENMESİ

Öz

   Yapılan
çalışmada yağlayıcı özelliği bulunan grafit dolgu elemanının yüksek miktarlarda
(hac.%25-52) epoksi matris içerisine ilave edilmesiyle epoksi matrisli
kompozitin aşınma direnci üzerine etkisi araştırılmıştır. Epoksi matrisli kompozitler
açık kalıplama tekniği ile üretilmiştir. Grafit dolgulu kompozitlerin 3 noktalı
eğme mukavemeti, eğme modulü, sertlik, yoğunluk ölçümleri yapılmış ve mikroyapı
gelişimleri incelenmiştir. Aşınma testleri 5N yük altında, 200m aşınma
mesafesine kadar ball-on-disk aşınma cihazında, oda sıcaklığında
gerçekleştirilmiştir. Fiziko-mekanik özelliklerin ve mikroyapı gelişiminin
aşınma davranışı üzerine etkisi araştırılmıştır. Sonuç olarak en iyi aşınma
direnci %30 grafit katkılı kompozit malzemede elde edilmiştir. 

Anahtar Kelimeler

Katı Yağlayıcı, Kompozit Malzemeler, Grafit, Epoksi

Kaynakça

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