Properties and consolidation of nanocrystalline WSi2-SiC composite from mechanically activated powders by pulsed current activated combustion synthesis

被引：8
|
作者：
Shon, In-Jin [1 ,2 ]
Park, Jeong-Hwan [1 ,2 ]
Ko, In-Yong [1 ]
Doh, Jung-Mann [3 ]
Yoon, Jin-Kook [3 ]
Nam, Kee-Seok [4 ]
机构：
[1] Chonbuk Natl Univ, Div Adv Mat Engn, Res Ctr Adv Mat Dev, Coll Engn, Jeonju 561756, Jeonbuk, South Korea
[2] Chonbuk Natl Univ, Specialized Grad Sch, Dept Hydrogen & Fuel Cells Engn, Jeonju 561756, Jeonbuk, South Korea
[3] Korea Inst Sci & Technol, Adv Funct Mat Res Ctr, Seoul 130650, South Korea
[4] Korea Inst Mat Sci, Chang Won 641831, Gyeongnam, South Korea
来源：
CERAMICS INTERNATIONAL | 2011年 / 37卷 / 05期
关键词：
Mechanical properties; Pulsed current activated combustion; Composite materials; Nanophase; WSi2-SiC; INDUCTION HEATED COMBUSTION; FRACTURE-TOUGHNESS; WC; MICROSTRUCTURE;
D O I：
10.1016/j.ceramint.2011.01.029
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：
Dense nanostructured WSi2-SiC composite was synthesized by pulsed current activated combustion synthesis method within 2 mm in one step from mechanically activated powders of WC and 3Si. Simultaneous combustion synthesis and consolidation were accomplished under the combined effects of a pulsed current and mechanical pressure. Highly dense WSi2-SiC with relative density of up to 99.8% was produced under simultaneous application of a 80 MPa pressure and the pulsed current. The average grain size and mechanical properties of the composite were investigated. (C) 2011 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：1549 / 1555
页数：7
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