Tribological properties and anti-wear mechanism of ZnO@graphene core-shell nanoparticles as lubricant additives
Tribological properties and anti-wear mechanism of ZnO@graphene core-shell nanoparticles as lubricant additives
复制标题
ZnO@石墨烯核壳纳米粒子作为润滑油添加剂的摩擦学性能及抗磨机理
DOI:
10.1016/j.triboint.2019.106114
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发表时间:
2020-04
影响因子:
6.2
通讯作者:
Ran Xu
中科院分区:
文献类型:
--
作者:
Ren Baijing;Gao Liang;BotaoXie;Li Mengjun;Zhang Shangda;Zu Guoqing;Ran Xu
Graphene is regarded as a promising, environmentally friendly candidate for lubricant additives. This work presents a coated nanocomposite with hard-core and soft-shell as lubricant nanoadditive. Three morphological ZnO nanoparticles are synthesized as the core to prepare ZnO@graphene core-shell nanoadditives. A four-ball machine is used to evaluate the anti-friction and anti-wear properties. The effects of ZnO morphology and concentration on the tribological behaviors and worn-out appearance are discussed. The compositional variation of wear scar is characterized to explore the possible anti-wear mechanisms. Researches suggest sheet-like ZnO is more ideal morphology, and ZnO@graphene hard core-soft shell nanostructure is more suitable for dynamic friction environment. The synergistic effect can effectively maintain load capacity and stability of lubricating film, exhibiting excellent tribological property.
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DOI:
10.5860/choice.51-0907
发表时间:
2016
期刊:
--
影响因子:
--
作者:
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通讯作者:
Ulrike Goldschmidt
影响因子:
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作者:
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影响因子:
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