Fabrication of WC-8 wt.%Co hard materials by two rapid sintering processes

被引：45
|
作者：
Kim, Hwan Cheol
Jeong, In Kyoon
Shon, In Jin [1 ]
Ko, In Yong
Doh, Jung Mann
机构：
[1] Chonbuk Natl Univ, Inst Engn Res, Res Ctr Adv Mat Dev, Dept Adv Mat Engn, Jeonju 560756, Jeonbuk, South Korea
[2] Korea Inst Sci & Technol, Met Proc Res Ctr, Seoul 136791, South Korea
来源：
INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS | 2007年 / 25卷 / 04期
关键词：
rapid sintering; WC-Co composites; microstructures; hardness; fracture toughness;
D O I：
10.1016/j.ijrmhm.2006.09.001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Two methods, high-frequency induction-heated sintering (HFIHS) and pulsed current activated sintering (PCAS), were utilized to consolidate WC-8 wt.%Co hard materials. The demonstrated advantages of these processes are rapid densification to near theoretical density in a relatively short time and without significant change in grain size. The effect of initial particle size of WC powder on the sintering behavior and mechanical properties were investigated. The hardness, fracture toughness and the relative density of the WC-8Co composites consolidated by HFIHS and PCAS were investigated. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：336 / 340
页数：5
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