Laser alloyed coatings of TiB2/Graphite on 9Cr18 stainless steel surface

被引：0
|
作者：
Ying Li-xia [1 ]
Wang Li-qin
Jia Xiao-mei
Gu Le
机构：
[1] Harbin Engn Univ, Sch Mechatron Engn, Harbin 150001, Heilongjiang, Peoples R China
[2] Harbin Inst Technol, Sch Mechatron Engn, Harbin 150001, Heilongjiang, Peoples R China
来源：
JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL | 2007年 / 14卷 / 03期
关键词：
laser alloying; TiB2; graphite; carbide;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Modified coatings including carbide of iron, nickel, chromium, silicon, and titanium are obtained on 9Cr18 stainless steel surface by laser alloying. The processing method, the microstructure, the interface, the tribological properties, and the forming mechanisms of the coatings are analyzed. The results show that the microstructure of the alloyed coatings is mainly irregular FeC crystals. Carbides of chromium and iron are around the FeC crystals. Small granular TiC disperses in the alloyed coatings. The microhardness of the alloyed coatings is greatly improved because of the occurrence of carbide with high hardness. At the same time, the wear resistance of the alloyed coatings are higher than that of 9Cr18 stainless steel.
引用
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页码：69 / 72
页数：4
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