Invention Grant
- Patent Title: Protection of thermal barrier coating by a sacrificial coating
- Patent Title (中): 通过牺牲涂层保护热障涂层
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Application No.: US12317032Application Date: 2008-12-17
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Publication No.: US07666528B2Publication Date: 2010-02-23
- Inventor: Brian Thomas Hazel , Mark Gorman , Bangalore A. Nagaraj
- Applicant: Brian Thomas Hazel , Mark Gorman , Bangalore A. Nagaraj
- Applicant Address: US NY Schenectady
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Schenectady
- Agent Marcella R. Louke; William Scott Andes
- Main IPC: B32B9/04
- IPC: B32B9/04 ; B32B15/00
Abstract:
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.
Public/Granted literature
- US20100008770A1 PROTECTION OF THERMAL BARRIER COATING BY A SACRIFICIAL COATING Public/Granted day:2010-01-14
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