High-temperature tribological behavior of ZrO2-MoS2-CaF2 self-lubricating composites

被引：60

作者：

Kong, Lingqian ^{[1
,2
]}

Bi, Qinling ^{[1
]}

Niu, Muye ^{[1
,2
]}

Zhu, Shengyu ^{[1
]}

Yang, Jun ^{[1
]}

Liu, Weimin ^{[1
]}

机构：

[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2013年 / 33卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Hot pressing; Composites; ZrO2; Wear resistance; Wear parts; MECHANICAL-PROPERTIES; ZIRCONIA; OXIDE; MICROSTRUCTURE; CERAMICS; FILMS; TZP; DEGRADATION; TOUGHNESS;

D O I：

10.1016/j.jeurceramsoc.2012.08.003

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

It is of great significance to find ways to control the high-temperature friction and wear of ceramic materials. In this paper, a ZrO2 matrix high temperature self-lubricating composite with addition of MoS2 and CaF2 as lubricants were prepared using hot pressing method by tailoring the composition of CaF2. The wear and friction behavior of the composites was investigated from room temperature to 1000 degrees C. The ZrO2-MoS2-CaF2 composites against SiC ceramic exhibited excellent self-lubricating and anti-wear properties at a wide temperature range. At 1000 degrees C, the ZrO2-10MoS(2)-10CaF(2) (wt.%) composite has a very low coefficient of friction of about 0.27 and wear rate of 1.54 x 10(-5) mm(3)/(N m). The low friction and wear were attributed to a new lubricant CaMoO4 which formed on the worn surfaces at high temperatures. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：51 / 59

页数：9

共 37 条

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