Prevention of burn-on defect on surface of hydroturbine blade casting of ultra-low-carbon refining stainless steel

被引：0
|
作者：
Li Ling [1 ]
Xie Huasheng [2 ]
Huang Danzhong [1 ]
Li Hankun [1 ]
Tan Rui [1 ]
Zhou Jingyi [1 ]
机构：
[1] Shenyang Res Inst Foundry, Shenyang 110022, Peoples R China
[2] Shenyang Univ Technol, Shenyang 110023, Peoples R China
来源：
CHINA FOUNDRY | 2008年 / 5卷 / 03期
关键词：
burn-on defect; ultra-low-carbon martensitic stainless steel; chromium-corundum coatings;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The burn-on sand is common surface defect encountered in CO2-Cured silicate-bonded sand casting of hydroturbine blade of ultra-low-carbon martensitic stainless steel, its feature, causes and prevention measures are presented in this paper. Experiments showed that the burn-on defect is caused by oxidization of chromium in the molten steel at high temperature and can be effectively eliminated by using chromium-corundum coating.
引用
收藏
页码：190 / 193
页数：4
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