发明名称 |
Process for forming a chromium diffusion portion and articles made therefrom |
摘要 |
In one embodiment, a method for forming an article with a diffusion portion comprises: forming a slurry comprising chromium and silicon, applying the slurry to the article, and heating the article to a sufficient temperature and for a sufficient period of time to diffuse chromium and silicon into the article and form a diffusion portion comprising silicon and a microstructure comprising α-chromium. In one embodiment, a gas turbine component comprises: a superalloy and a diffusion portion having a depth of less than or equal to 60 μm measured from the superalloy surface into the gas turbine component. The diffusion portion has a diffusion surface having a microstructure comprising greater than or equal to 40% by volume α-chromium. |
申请公布号 |
US8262812(B2) |
申请公布日期 |
2012.09.11 |
申请号 |
US20070696385 |
申请日期 |
2007.04.04 |
申请人 |
HELMICK DAVID ANDREW;CAVANAUGH DENNIS WILLIAM;FENG GANJIANG;BUCCI DAVID VINCENT;GENERAL ELECTRIC COMPANY |
发明人 |
HELMICK DAVID ANDREW;CAVANAUGH DENNIS WILLIAM;FENG GANJIANG;BUCCI DAVID VINCENT |
分类号 |
C23C10/00;B05D3/02;C21D1/70 |
主分类号 |
C23C10/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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