Sliding wear behaviour of walnut shell powder filled vinyl Ester/ WSP green composites
Publish place: Iranian Chemical Communication، Vol: 5، Issue: 2
Publish Year: 1395
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ICC-5-2_003
تاریخ نمایه سازی: 2 مهر 1398
Abstract:
Polyvinyl ester green composites were synthesized with walnut shell powder (WSP) by in-situ polymerization technique. The green composites have been evaluated for mechanical properties such as tensile strength, tensile modulus and hardness. Sliding wear loss, specific wear rate and coefficient of friction were investigated by using computerized pin-on–disc machine at normal applied loads of 20, 30 and 40N; at a sliding velocity of 1.5 m/s and at two abrading distances viz., 100 and 200 m. The results indicate that the wear volume loss increases with increasing abrading distance/load. It was found that WSP filled vinyl ester composites exhibit lower wear rate and higher coefficient of friction as compared to vinyl ester green composites. Further, the worn surfaces were examined by scanning electron microscopy (SEM), to give insight in to the wear mechanism, while their mechanical properties were investigated using tensile strength, tensile modulus and hardness test machines.
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Authors
Shahryar Pashaei
payame noor university
Soleyman Hosseinzadeh
Department of Chemistry, Payame Noor University, P.O. BOX ۱۹۳۹۵-۳۶۹۷ Tehran, Iran
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