使用四球测试器测试含和不含石墨烯纳米片的印楝油的摩擦学行为

IF 1.5 Q3 ENGINEERING, MECHANICAL Advances in Tribology Pub Date : 2020-01-25 DOI:10.1155/2020/1984931
B. Suresha, G. Hemanth, A. Rakesh, K. Adarsh
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引用次数: 22

摘要

本工作旨在研究石墨烯纳米片(GNP)作为印楝油的抗焊接添加剂在极端压力条件下的摩擦磨损行为。研究了印楝油与不同负载量的GNP共混对摩擦磨损特性的影响。根据实验结果,发现印楝油中1wt.%的GNPs显示出最小的摩擦系数和更光滑的磨痕直径。根据ASTM标准,在含有和不含有GNP的neem油上进行了极限压力测试。极限压力测试结果表明,与纯印楝油相比,在0.5wt.%的GNP下,印楝油的咬合载荷提高了27.8%。对磨损钢球表面进行光学显微镜观察,发现GNPs改性印楝油中存在凹坑和楔形切削刃。
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Tribological Behaviour of Neem Oil with and without Graphene Nanoplatelets Using Four-Ball Tester
The present work was aimed to study the friction and wear behaviour of graphene nanoplatelets (GNPs) under extreme pressure conditions as an anti-weld additive for neem oil. The effect of neem oil, blended with various loading of GNPs on the friction and wear characteristics has been investigated. From the experimental results, it was found that 1 wt.% of GNPs in neem oil showed the least coefficient of friction and smoother wear scar diameter. The extreme pressure test was performed on neem oil with and without GNPs as per ASTM standards. The extreme pressure test results indicated the improvement in seizure load of neem oil by 27.8% at 0.5 wt.% of GNPs as compared to pure neem oil. Optical microscopy of worn steel ball surface revealed the pit formation and the formation of wedge cutting edge in GNPs modified neem oil.
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来源期刊
Advances in Tribology
Advances in Tribology ENGINEERING, MECHANICAL-
CiteScore
5.00
自引率
0.00%
发文量
1
审稿时长
13 weeks
期刊最新文献
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