Effects of graphite on tribological properties of Ni-Cr based and Ni-Cr-W based self-lubricating composites

	Effects of graphite on tribological properties of Ni-Cr based and Ni-Cr-W based self-lubricating composites
	Zhang, Ding-Jun 1; Wang, Ai-Fang 1,2; Jia, Jun-Hong 2; Wu, You-Zhi 1; Wang, Wen-Zhen 2
刊名	Cailiao Kexue yu Gongyi/Material Science and Technology
	2012-08-01
卷号	20 期号:4 页码:108-115
关键词	Binary alloys Friction Glass ceramics Graphite Microhardness Powder metallurgy Self lubricating composites Solid lubricants Ternary alloys Tribology Tungsten alloys Cr-based Friction coefficients Graphite composites Graphite content Ni-20Cr Ni-Cr-W Tribological properties
ISSN号	10050299
英文摘要	The influences of graphite on the tribological properties of Ni-Cr-based and Ni-Cr-W-based self-lubricating composites content prepared by powder metallurgy were investigated. The results show that the micro-hardness and density of Ni20Cr-graphite composites gradually reduced with the increase of graphite. The micro-hardness of composites has increased after adding 10% of W into Ni20Cr-graphite composite materials. Adding graphite into Ni20Cr-10W composite, the friction coefficients have reduced to a great extent. With the increase of graphite, the friction coefficient first increased, and then reduced. The friction coefficients of composites increased at any temperature, when the graphite content was 10%. However, the friction coefficient decreased at any temperature when the graphite content was 5% and 15%. The friction coefficient of Ni20Cr-10W-15graphite composite is the lowest.
语种	中文
出版者	Harbin Institute of Technology
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/111467]
专题	材料科学与工程学院省部共建有色金属先进加工与再利用国家重点实验室
作者单位	1.State Key Laboratory of Gansu Advanced Non-Ferrous Metal Materials, Lanzhou University of Technology, Lanzhou 730050, China; 2.State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
推荐引用方式 GB/T 7714	Zhang, Ding-Jun,Wang, Ai-Fang,Jia, Jun-Hong,et al. Effects of graphite on tribological properties of Ni-Cr based and Ni-Cr-W based self-lubricating composites[J]. Cailiao Kexue yu Gongyi/Material Science and Technology,2012,20(4):108-115.
APA	Zhang, Ding-Jun,Wang, Ai-Fang,Jia, Jun-Hong,Wu, You-Zhi,&Wang, Wen-Zhen.(2012).Effects of graphite on tribological properties of Ni-Cr based and Ni-Cr-W based self-lubricating composites.Cailiao Kexue yu Gongyi/Material Science and Technology,20(4),108-115.
MLA	Zhang, Ding-Jun,et al."Effects of graphite on tribological properties of Ni-Cr based and Ni-Cr-W based self-lubricating composites".Cailiao Kexue yu Gongyi/Material Science and Technology 20.4(2012):108-115.