发明申请
- 专利标题： PROTECTION OF THERMAL BARRIER COATING BY A SACRIFICIAL COATING
- 专利标题（中）： 通过真空涂层保护热障涂层
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申请号： US12317032申请日： 2008-12-17
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公开(公告)号： US20100008770A1公开(公告)日： 2010-01-14
- 发明人: Brian Thomas Hazel , Mark Gorman , Bangalore A. Nagaraj
- 申请人： Brian Thomas Hazel , Mark Gorman , Bangalore A. Nagaraj
- 专利权人： General Electric Company
- 当前专利权人： General Electric Company
- 主分类号： F01D9/02
- IPC分类号： F01D9/02 ; F01D5/18
摘要：
According to an embodiment of the invention, an article of manufacture for use in a gas turbine engine is disclosed. The article comprises a part having a surface covered with a ceramic thermal barrier coating. The thermal barrier coating has an outer surface covered with a sacrificial phosphate coating, wherein the sacrificial phosphate coating reacts with contaminant compositions to prevent contaminant infiltration into the thermal barrier coating.
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