发明公开
- 专利标题: SINGLE CRYSTAL VANE SEGMENT AND METHOD OF MANUFACTURE
- 专利标题(中): 单晶叶片和方法及其
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申请号: EP99969597申请日: 1999-11-04
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公开(公告)号: EP1131176A4公开(公告)日: 2003-06-11
- 发明人: FRASIER DONALD J , BURKHOLDER PHILIP S
- 申请人: ROLLS ROYCE CORP
- 专利权人: ROLLS ROYCE CORP
- 当前专利权人: ROLLS ROYCE CORP
- 优先权: US10714198 1998-11-05; US25166099 1999-02-17
- 主分类号: F01D5/28
- IPC分类号: F01D5/28 ; B22D21/00 ; B22D27/04 ; C22C1/02 ; C22C19/05 ; B22D25/00 ; C30B11/00 ; C30B29/52
摘要:
The present invention contemplates a multi-airfoil vane segment (50) produced as a single crystal casting from a rhenium containing directionally solidified alloy. The single crystal casting containing grain boundary strengtheners.
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