Laser cladding of Co-based alloy on 2Cr13 stainless steel

被引：0
|
作者：
Zhang, S [1 ]
Man, HC [1 ]
Wu, WT [1 ]
Wang, MC [1 ]
机构：
[1] Hong Kong Polytech Univ, Dept Mfg Engn, Hong Kong, Hong Kong, Peoples R China
来源：
ICALEO(R) 2000: PROCEEDINGS OF THE LASER MATERIALS PROCESSING CONFERENCE, VOL 89 | 2000年 / 89卷
关键词：
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 Go-based alloy using a high power carbon dioxide laser. The microstructure and the wear resistance and corrosion properties of the clad layer were investigated. It was found that the high temperature corrosion behavior and wearing resistant property of the clad layer were 3 and 3.5 times better than the parent metal. Under the high temperature molten lead sulphate salt corrosion condition, the clad layer failed by spalling which was caused by intergrannular corrosion within the clad layer. The fine dendritic structure and the Go-based alloy oxide help to retard the penetration rate of the sulphur ion that induces the intergrannular corrosion.
引用
收藏
页码：D200 / D209
页数：10
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