Sliding Wear Behavior of TaC-Containing Ti(CN)-WC-Ni/Co Cermets

被引：11
|
作者：
Verma, Vikas [1 ]
Kumar, B. Venkata Manoj [1 ]
Kang, Shinhoo [2 ]
机构：
[1] IIT, Dept Met & Mat Engn, Roorkee, Uttar Pradesh, India
[2] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul, South Korea
来源：
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2016年 / 13卷 / 06期
关键词：
wear; sliding; cermets; Ti(CN); TaC; NI-BASED CERMETS; MECHANICAL-PROPERTIES; N)-BASED CERMETS; MICROSTRUCTURE; CARBIDES; WC; INTERFACES; TI(C;
D O I：
10.1111/ijac.12583
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：
Four compositions of TiCN-WC-Ni/Co cermets with or without TaC were prepared by pressureless sintering of respective powders, and unlubricated sliding wear behavior against bearing grade steel ball was studied at 5, 10, or 20 N load. Maximum hardness and fracture toughness were obtained for Ti(CN)-5WC-10Ni-10Co-5TaC (in wt%) cermet. With change in the cermet composition and sliding load, coefficient of friction varied from 0.3 to 1.0 and wear rate varied from 3 x 10(-7) to 7 x 10(-7) mm(3)/Nm. The increased material transfer and formation of iron oxide-rich tribochemical layer were responsible for the reduction in friction and wear for Ti(CN)-5WC-10Ni-10Co-5TaC cermet.
引用
收藏
页码：1033 / 1042
页数：10
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