OBTAINING OF METAL MATRIX COMPOSITES LAYERS BY LASER CLADDING

被引：0
|
作者：
Pavalache, Adrian-Catalin [1 ,2 ]
Voiculescu, Ionelia [1 ]
Iordachescu, Danut [2 ]
Vasile, Georgiana [1 ]
Stanciu, Elena-Manuela [1 ,2 ]
Apostol, Georgeta [1 ,2 ]
机构：
[1] Univ Politehn Bucuresti, Bucharest, Romania
[2] Univ Politecn Madrid, Ctr Laser UPM, E-28040 Madrid, Spain
来源：
METALURGIA INTERNATIONAL | 2011年 / 16卷 / 05期
关键词：
Hardfacing; Carbide; Laser Cladding; Hardness;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Obtaining a metal matrix composite layer, constituted of solid carbide particles created in-situ and embedded into a metallic soft matrix, that has good wear-resistant properties, allows the replacement of the classical technological method of creating over sulfeited solid solutions, which are liable to cracking. The paper presents an experimental approach to the obtaining of metal matrix composite layers using the laser cladding process with pre-placed material. The cladding parameters were varied in order to study their effects on the deposited layer characteristics. The test samples were analyzed by means of optical and electronic microscopy, and the reinforcing effect of the carbide particles was emphasized by microhardness results.
引用
收藏
页码：121 / 124
页数：4
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