Rare earth effect on the microstructure and tribological properties of FeNiCr coatings

doi:10.1007/s12598-010-0047-x

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	Rare earth effect on the microstructure and tribological properties of FeNiCr coatings
	Liang Bunue 1; Zhang Zhenyu 1,2; Wang Zhiping 2; Chen Baiming 1
刊名	RARE METALS
	2010-06
卷号	29 期号:3 页码:270-275
关键词	coatings rare earth oxides thermal spray microstructure tribological property
ISSN号	1001-0521
DOI	10.1007/s12598-010-0047-x
英文摘要	FeNiCr alloys with various amounts of La2O3 powders were thermally sprayed onto steel substrate. Electron probe microscopy analysis (EPMA), X-ray photoelectron spectroscopy (XPS), and an Optimol SRV oscillating friction and wear tester in a ball-on-disc contact configuration were employed to investigate the properties of the sprayed coatings. The results show that rare earth can refine the microstructure effectively and make the element distribution uniform, which leads to the improvement in the properties of the coatings. Meanwhile, the wear rate of the FeNiCr alloy with 1.5% La2O3 is smaller than those of the other coatings. Interestingly, the rare earth can reduce the friction coefficient and act as a self-lubricant in the oxide debris layer formed on the worn surface in friction. The wear mechanism of the coatings is oxidation wear, and a large amount of counterpart material is transferred to the coatings.
资助项目	Natural Science Foundation of Gansu Province, China[0710RJZA071]
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	NONFERROUS METALS SOC CHINA
WOS记录号	WOS:000278120700008
状态	已发表
内容类型	期刊论文
源URL	[http://119.78.100.223/handle/2XXMBERH/35238]
专题	兰州理工大学
通讯作者	Zhang Zhenyu
作者单位	1.Lanzhou Polytech Coll, Dept Mech Engn, Lanzhou 730050, Peoples R China 2.Lanzhou Univ Technol, State Key Lab New Nonferrous Met Mat, Lanzhou 730050, Peoples R China
推荐引用方式 GB/T 7714	Liang Bunue,Zhang Zhenyu,Wang Zhiping,et al. Rare earth effect on the microstructure and tribological properties of FeNiCr coatings[J]. RARE METALS,2010,29(3):270-275.
APA	Liang Bunue,Zhang Zhenyu,Wang Zhiping,&Chen Baiming.(2010).Rare earth effect on the microstructure and tribological properties of FeNiCr coatings.RARE METALS,29(3),270-275.
MLA	Liang Bunue,et al."Rare earth effect on the microstructure and tribological properties of FeNiCr coatings".RARE METALS 29.3(2010):270-275.