发明授权
- 专利标题： Repair of superalloy component
- 专利标题（中）： 超合金部件修补
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申请号： US13799922申请日： 2013-03-13
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公开(公告)号： US08640942B1公开(公告)日： 2014-02-04
- 发明人: Kazim Ozbaysal , Ahmed Kamel , Dhafer Jouini
- 申请人： Kazim Ozbaysal , Ahmed Kamel , Dhafer Jouini
- 申请人地址： US FL Orlando
- 专利权人： Siemens Energy, Inc.
- 当前专利权人： Siemens Energy, Inc.
- 当前专利权人地址： US FL Orlando
- 主分类号： B23K31/02
- IPC分类号： B23K31/02 ; B23P6/04
摘要：
A method of repairing a superalloy component (22) wherein a section (24) of the component containing a plurality of service-induced cracks (18, 20) is removed, then a replacement section (26) of superalloy material is installed with a structural braze joint (28) containing no boron or silicon. The replacement section may have a textured surface ((38) to enhance bonding with an overlying thermal barrier coating (42). The replacement section may be pre-formed to standardized dimensions in expectation of a typical service-induced crack pattern, and the removed section excavated accordingly. The interface between the replacement section and the component may be shaped to provide a mechanical interlock there between.
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