Tribological properties of gamma-Y(2)Si(2)O(7) ceramic against AISI 52100 steel and Si(3)N(4) ceramic counterparts

IMR OpenIR

	Tribological properties of gamma-Y(2)Si(2)O(7) ceramic against AISI 52100 steel and Si(3)N(4) ceramic counterparts
	Z. Q. Sun; L. Wu; M. S. Li; Y. C. Zhou
	2009
发表期刊	Wear
ISSN	0043-1648
卷号	266 期号:9-10 页码:960-967
摘要	Reciprocating ball-on-flat dry sliding friction and wear experiments have been conducted on single-phase gamma-Y(2)SO(7) ceramic flats in contact with AISI 52100 bearing steel and Si(3)N(4) ceramic balls at 5-15 N normal loads in an ambient environment. The kinetic friction coefficients of gamma-Y(2)Si(2)O(7) varied in the range over 0.53-0.63 against AISI 52100 steel and between 0.51-0.56 against Si(3)N(4) ceramic. We found that wear occurred predominantly during the running-in period and it almost ceased at the steady friction stage. The wear rates Of gamma-Y(2)Si(2)O(7) were in the order of 10(-4) mm(3)/(N m). Besides, wear debris strongly influenced the friction and wear processes. The strong chemical affinity between gamma-Y(2)Si(2)O(7) and AISI 52100 balls led to a thick transfer layer formed on both contact surfaces of the flat and counterpart ball, which changed the direct sliding between the ball and the flat into a shearing within the transfer layer. For the gamma-Y(2)Si(2)O(7)/Si(3)N(4) pair, a thin silica hydrate lubricant tribofilm presented above the compressed debris entrapped in the worn track and contact ball surface. This transfer layer and the tribofilm separated the sliding couple from direct contact and contributed to the low friction coefficient and wear rate. (C) 2009 Elsevier B.V. All rights reserved.
部门归属	[zhou, yanchun] chinese acad sci, inst met res, shenyang natl lab mat sci, high performance ceram div, shenyang 110016, peoples r china. [sun, ziqi; wu, ling] chinese acad sci, grad sch, beijing 100039, peoples r china.;zhou, yc (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, high performance ceram div, 72 wenhua rd, shenyang 110016, peoples r china;yczhou@imr.ac.cn
关键词	y(2)Si(2)o(7) Friction And Wear Wear Mechanism Wear Debris Hot Corrosion Molten-salt Si3n4-sio2-y2o3 Tribofilm Mechanism Friction System Wear
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/32317
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Z. Q. Sun,L. Wu,M. S. Li,et al. Tribological properties of gamma-Y(2)Si(2)O(7) ceramic against AISI 52100 steel and Si(3)N(4) ceramic counterparts[J]. Wear,2009,266(9-10):960-967.
APA	Z. Q. Sun,L. Wu,M. S. Li,&Y. C. Zhou.(2009).Tribological properties of gamma-Y(2)Si(2)O(7) ceramic against AISI 52100 steel and Si(3)N(4) ceramic counterparts.Wear,266(9-10),960-967.
MLA	Z. Q. Sun,et al."Tribological properties of gamma-Y(2)Si(2)O(7) ceramic against AISI 52100 steel and Si(3)N(4) ceramic counterparts".Wear 266.9-10(2009):960-967.