Synthesis of B4C-TiB2 composite powders by the carbide boronizing process

被引：17
|
作者：
Wang, Dewen [1 ,2 ]
Sun, Huifeng [1 ]
Deng, Qihuang [2 ]
Ding, Zhihui [2 ]
Ran, Songlin [1 ]
Huang, Qing [2 ]
机构：
[1] Anhui Univ Technol, Sch Mat Sci & Engn, Anhui Key Lab Met Mat & Proc, Maanshan 243002, Peoples R China
[2] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Div Funct Mat & Nanodevices, Ningbo 315201, Zhejiang, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2014年 / 40卷 / 09期
基金：
中国国家自然科学基金;
关键词：
B4C; TiB2; Composite powders; Carbide boronizing; Solid state reaction; MECHANICAL-PROPERTIES; MICROSTRUCTURE; PARTICLE;
D O I：
10.1016/j.ceramint.2014.06.103
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：
B4C-TiB2 composite powders were synthesized by a carbide boronizing process, i.e. the solid state reaction between TiC and amorphous boron powders. The particle size of the raw TiC powders was found to greatly affect the phase composition of the composite powders. Nano-TiC powders could be totally consumed and turned into TiB2 phase with heat treatment at 1100 degrees C for 1 h whereas micro-TiC powders was still present even at 1400 degrees C for 1 h. The synthesized B4C-TiB2 composite powders have a small particle size and a homogenous phase distribution, indicating high sintering activity. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：15341 / 15344
页数：4
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