发明申请
- 专利标题： Protection of thermal barrier coating by impermeable barrier coating
- 专利标题（中）： 通过防渗涂层保护热障涂层
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申请号： US11607380申请日： 2006-12-01
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公开(公告)号： US20070224411A1公开(公告)日： 2007-09-27
- 发明人: Brian Hazel , Irene Spitsberg , Christine Govern , Bangalore Nagaraj
- 申请人： Brian Hazel , Irene Spitsberg , Christine Govern , Bangalore Nagaraj
- 专利权人： General Electric Company
- 当前专利权人： General Electric Company
- 主分类号： B05D1/36
- IPC分类号： B05D1/36
摘要：
According to an embodiment of the invention, disclosed is a composite comprising a porous thermal barrier coating on a metallic part and an impermeable barrier coating adjacent to the outer surface of the thermal barrier coating. The impermeable barrier coating is dense and non-porous and comprises a rare earth silicate, the impermeable barrier coating thereby preventing infiltration of the contaminant composition into the thermal barrier coating.
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