Mechanical-activation-assisted combustion synthesis of SiC

被引：32
|
作者：
Yang, Yun
Yang, Kun
Lin, Zhi-Ming
Li, Jiang-Tao [1 ]
机构：
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100101, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
MATERIALS LETTERS | 2007年 / 61卷 / 03期
基金：
中国国家自然科学基金;
关键词：
mechanical activation; combustion synthesis; promoter; SiC;
D O I：
10.1016/j.matlet.2006.05.032
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mechanical-activation-assisted combustion synthesis of SiC has been conducted with PVC as promoters. The mechanical activation of the Si-C reactants through high-energy attrition milling could result in substantial decrease of the ignition temperature and the incubation time for the Si-C combustion reaction. Ultra-fine beta-SiC powders with equiaxed grains were synthesized at the preheating temperature as low as 1050 degrees C. The specific surface area (SSA) of the combustion synthesized SiC powders was 4.36 m(2)/g, and the average particle size was less than 5 mu m. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：671 / 676
页数：6
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