Study on friction performance of graphene-based semi-solid grease

The graphene-based semi-solid grease with low friction coefficient was prepared by highly dispersed mixing method. The friction testing result showed that the friction coefficient of the graphene oxidebased semi-solid grease reduced from ca. 0.105 of graphite-based one to ca. 0.075, approximately 30...

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Bibliographic Details
Published in:Chinese chemical letters 2014-09, Vol.25 (9), p.1305-1307
Main Authors: Cheng, Zhi-Lin, Qin, Xi-Xi
Format: Article
Language:English
Subjects:
Friction
Graphene
Grease
Wear
低摩擦系数
分散混合
固体油脂
基础
摩擦性能
摩擦试验
润滑脂
石墨
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Summary:The graphene-based semi-solid grease with low friction coefficient was prepared by highly dispersed mixing method. The friction testing result showed that the friction coefficient of the graphene oxidebased semi-solid grease reduced from ca. 0.105 of graphite-based one to ca. 0.075, approximately 30% decreasing. Further, the graphene-based semi-solid grease shows the more outstandingly lubricating property, and the friction coefficient approximately drops to the range of between 0.04 and 0.06. By comparing with the graphite-based grease, the friction coefficient decreases about 40%-60% and the wear reduced over 50%.
ISSN:1001-8417
1878-5964
DOI:10.1016/j.cclet.2014.03.010