Preparation of tungsten fiber reinforced-tungsten/copper composite for plasma facing component

被引：17
|
作者：
He, Gang [1 ,2 ]
Xu, Kunyuan [1 ,2 ]
Guo, Shibin [1 ]
Qian, Xueqiang [1 ,2 ]
Yang, Zengchao [1 ]
Liu, Guanghua [1 ]
Li, Jiangtao [1 ]
机构：
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Funct Crystals & Laser Technol, Being 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
来源：
JOURNAL OF NUCLEAR MATERIALS | 2014年 / 455卷 / 1-3期
基金：
中国国家自然科学基金; 北京市自然科学基金;
关键词：
HEAT SINK MATERIAL; COMBUSTION SYNTHESIS; MATRIX COMPOSITES; COPPER; INFILTRATION; FABRICATION; BEHAVIOR; FRACTURE; ITER; CU;
D O I：
10.1016/j.jnucmat.2014.05.026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
W fiber reinforced-W/Cu composite is designed as a transition layer between CuCrZr heat sink material and W plasma facing material. A novel method was developed for the preparation of W fiber reinforced-W/Cu composite by combining combustion synthesis with centrifugal infiltration. Cu melt with a transient temperature over 2000 degrees C produced by the thermite reaction was infiltrated into the W powder and fiber bed with the assistance of a high gravity field. It was found that the W particles were sintered and bonded to the W fibers due to the high temperature produced by the thermite reaction. The bending strength of W/Cu composite improved 12.7% through W fibers reinforcement. (C) 2014 Published by Elsevier B.V.
引用
收藏
页码：225 / 228
页数：4
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