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Is graphene formed on WC surface under glycerol lubrication? Yes
Surface and Interface Analysis ( IF 1.7 ) Pub Date : 2020-05-27 , DOI: 10.1002/sia.6806
Qi Chen 1 , Renhui Zhang 1 , Zhongyi He 1 , Liping Xiong 1 , Qing Wang 2
Affiliation  

Recently, most of the researchers focused on investigating the superlubricity of glycerol or glycerin/water solutions, yet all of them have no attempt to follow with performance about their lubricity under high load and fast rotational speed. In this article, the lubricity of glycerol was systematically investigated under 98 N and 1,450 rpm using a four‐ball wear machine. Interestingly, results showed that friction‐induced graphene layers were first discovered during sliding, meanwhile, friction‐induced graphene layers were closely related to the high flush temperature rise and catalysts. The synergy of graphene and glycerol elastohydrodynamic film on wear scar played an important role in obtaining low friction and wear‐less.

中文翻译:

在甘油润滑下,WC表面上会形成石墨烯吗?是

近来,大多数研究人员专注于研究甘油或甘油/水溶液的超润滑性,但他们都没有尝试在高负荷和快速旋转下表现出润滑性。在本文中,使用四球磨床系统地研究了甘油在98 N和1,450 rpm下的润滑性。有趣的是,结果表明,摩擦诱导的石墨烯层是在滑动过程中首先发现的,与此同时,摩擦诱导的石墨烯层与冲洗温度升高和催化剂密切相关。石墨烯和甘油弹性流体动力膜在磨损疤痕上的协同作用在获得低摩擦和无磨损方面起着重要作用。
更新日期:2020-05-27
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