Microstructure and mechanical properties of Ti-based solid-solution cermets

被引：43
|
作者：
Kim, Jiwoong [1 ]
Seo, Moonsu [1 ]
Kang, Shinhoo [1 ]
机构：
[1] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151742, South Korea
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2011年 / 528卷 / 06期
关键词：
Ti-based solid-solution; Carbothermal reduction; Microstructure; Mechanical properties; Transverse rupture strength; FRACTURE-TOUGHNESS;
D O I：
10.1016/j.msea.2010.11.076
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The microstructure and mechanical properties of various (Ti1-xWx)C-20 wt.%Ni cermets were investigated, where x varies from 0.07 to 0.3. Homogeneous solid-solution (Ti1-xWx)C powders were prepared by carbothermal reduction via planetary milling of Ti, TiO2, WO3 and carbon powder mixtures. The cermets made of the powders showed a simple core-rim structure consisting of solid-solution carbides. The hardness of the solid-solution cermets is somewhat lower than that of conventional cermets, but they show greater toughness. The transverse rupture strength increases with increasing W content. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：2517 / 2521
页数：5
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