Invention Grant
- Patent Title: Vanadium resistant coating system
- Patent Title (中): 耐钒涂层系统
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Application No.: US12951350Application Date: 2010-11-22
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Publication No.: US08337996B2Publication Date: 2012-12-25
- Inventor: Surinder Singh Pabla , Vinod Kumar Pareek , Suchismita Sanyal , Krishnamurthy Anand , Prajina Bhattacharya
- Applicant: Surinder Singh Pabla , Vinod Kumar Pareek , Suchismita Sanyal , Krishnamurthy Anand , Prajina Bhattacharya
- Applicant Address: US NY Schenectady
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Schenectady
- Agency: McNees Wallace & Nurick LLC
- Main IPC: B21D39/00
- IPC: B21D39/00

Abstract:
A vanadium resistant coating system resistant to high temperature vanadium attack. The system comprises a high temperature superalloy substrate. A bond coat overlies the superalloy substrate. The bond coat may be applied in multiple layers. A ceramic coating overlies the bond coat. The ceramic coating further comprises a zirconium oxide stabilized by at least one cation selected from the group consisting of Yb3+, Lu3+, Sc3+ and Ce4+, in the amounts of about 5-10 weight percent. An overcoat may overlie the ceramic coating. The overcoat may be a sacrificial layer of YSZ infiltrated with cations having an atomic radius larger than Y3+. Alternatively, the overcoat may comprise zirconium oxide stabilized by Ce4+.
Public/Granted literature
- US20120129000A1 VANADIUM RESISTANT COATING SYSTEM Public/Granted day:2012-05-24
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