Wear resistance and hot corrosion behaviour of laser cladding Co-based alloy

被引：0
|
作者：
Zhang, S
Zhang, CH
Man, HC
Wu, WT
Wang, MC
机构：
[1] Shenyang Polytech Univ, Sch Mat Sci & Engn, Shenyang 110023, Peoples R China
[2] Chinese Acad Sci, State Key Lab Corros & Protect Met, Shenyang 110016, Peoples R China
[3] Hong Kong Polytech Univ, Dept Mfg Engn, Hong Kong, Hong Kong, Peoples R China
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2001年 / 11卷 / 06期
关键词：
laser cladding; Co-based alloy; wear resistance; hot corrosion;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
2Cr13 stainless steel was surface cladded with Co-based alloy using a high power carbon dioxide laser. The microstructure, wear resistance and corrosion properties of the clad layer were investigated. It is found that the high temperature corrosion behavior and wearing resistant property of the clad layer are 3 and 2.5 times higher than those of the parent metal. Under the high temperature molten lead sulphate salt corrosion condition, the clad layer fails by spalling which is caused by intergrannular corrosion within the clad layer. The fine dendritic structure and the oxide help to retard the penetration of the sulphur ion that induces the intergrannular corrosion.
引用
收藏
页码：838 / 842
页数：5
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