发明申请
- 专利标题： Turbine blade tip and shroud clearance control coating system
- 专利标题（中）： 涡轮叶片尖端和护罩间隙控制涂层系统
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申请号： US11227780申请日： 2005-09-14
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公开(公告)号： US20080166225A1公开(公告)日： 2008-07-10
- 发明人: Thomas E. Strangman , Derek Raybould , Paul Chipko , Malak F. Malak
- 申请人： Thomas E. Strangman , Derek Raybould , Paul Chipko , Malak F. Malak
- 专利权人： HONEYWELL INTERNATIONAL, INC.
- 当前专利权人： HONEYWELL INTERNATIONAL, INC.
- 主分类号： F01D5/20
- IPC分类号： F01D5/20
摘要：
A turbine blade tip and shroud clearance control coating system comprising an abrasive blade tip coating and an abradable shroud coating are provided. The abrasive layer may comprise abrasive particles of cubic zirconia, cubic hafnia or mixtures thereof, and the abradable layer may be a nanolaminate thermal barrier coating that is softer than the abrasive layer. The invention further provides an alternate coating system comprising an abradable blade tip coating and an abrasive shroud coating.
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