Ti-B-C composite coating produced by electrothermally exploded powder-spray technique

被引：7
|
作者：
Kikkawa, F
Tamura, H
Kondo, K
机构：
[1] Tokyo Inst Technol, Yokohama, Kanagawa 227, Japan
[2] Natl Def Acad, Yokosuka, Kanagawa 239, Japan
来源：
JOURNAL OF THERMAL SPRAY TECHNOLOGY | 2006年 / 15卷 / 01期
关键词：
composite materials; electrothermal explosion technique; nanocrystalline composites;
D O I：
10.1361/105996306X92622
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Composite coatings of a Ti-B-C system were reactively produced by the electrothermally exploded powder-spray (ELTEPS) technique. First, the electrical characteristics of the ELTEPS system were determined. The starting powder of the coatings was titanium powder mixed with boron carbide powder. This powder was prepared for production of Ti-B-C composite coatings on substrates using the ELTEPS technique. The coatings obtained were composed of titanium carbide and titanium diboride. The thickness of the coating obtained by onefold spray was not uniform. The coating obtained by the twofold spray covered the substrate. The coating obtained by threefold spray was still more precise. The thickness of the coating obtained by threefold spray was about 50 mu m, and its hardness value was about 30.7 +/- 4.5GPa.
引用
收藏
页码：92 / 96
页数：5
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