Tribological characteristics and wear mechanisms of NiMoAl composite coatings in reversible temperature cycles from RT to 900 ℃

doi:10.1016/j.triboint.2017.04.005

	Tribological characteristics and wear mechanisms of NiMoAl composite coatings in reversible temperature cycles from RT to 900 ℃
Department	固体润滑国家重点实验室
	Zhong HQ(钟火清)1,2; Feng XC(丰晓春)1,2; Jia JH(贾均红)1 ; Yi GW(易戈文)1 ; Yi GW(易戈文)
	2017
Source Publication	Tribology International
ISSN	0301-679X
Volume	114 Pages:48-56
Abstract	In an effort to investigate the influence of temperature cycles and of tribo-layers formed at high temperatures on the tribological properties and mechanisms of wide-temperature range lubricating materials at low temperatures, the tribological characteristics of atmospheric plasma sprayed NiMoAk-6Al₂O₃10Ag composite coatings in reversible temperature cycles were investigated. The results indicated that the tribo-layers formed at low temperature have no evident effect on the friction coefficients during subsequent testing at elevated temperatures, while the lubricating film formed at 900 ℃ decreased the friction coefficient in a subsequent RT test evidently. The lowest friction coefficient at 900 ℃ was attributed to the formation of lubricating film on the worn surface, which was mainly consisting of NiO and Ag₂MoO₄ nanoparticles.
Keyword	Wide-temperature Range Plasma Spray Reversible Temperature Cycles Composite Coating
Subject Area	材料科学与物理化学
DOI	10.1016/j.triboint.2017.04.005
Funding Organization	the National Natural Science Foundation of China (Grant Nos. 51471181;51575505;51675508)
Indexed By	SCI
If	2.903
Language	英语
Funding Project	金属润滑材料组
compositor	第一作者单位
Citation statistics	Cited Times:13[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.licp.cn/handle/362003/22093
Collection	固体润滑国家重点实验室（LSL）
Corresponding Author	Yi GW(易戈文)
Affiliation	1.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation GB/T 7714	Zhong HQ,Feng XC,Jia JH,et al. Tribological characteristics and wear mechanisms of NiMoAl composite coatings in reversible temperature cycles from RT to 900 ℃[J]. Tribology International,2017,114:48-56.
APA	Zhong HQ,Feng XC,Jia JH,Yi GW,&易戈文.(2017).Tribological characteristics and wear mechanisms of NiMoAl composite coatings in reversible temperature cycles from RT to 900 ℃.Tribology International,114,48-56.
MLA	Zhong HQ,et al."Tribological characteristics and wear mechanisms of NiMoAl composite coatings in reversible temperature cycles from RT to 900 ℃".Tribology International 114(2017):48-56.

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