- 专利标题: Nanocrystalline bainitic steels, shafts, gas turbine engines, and methods of manufacturing nanocrystalline bainitic steels
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申请号: US15440797申请日: 2017-02-23
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公开(公告)号: US10457996B2公开(公告)日: 2019-10-29
- 发明人: Paul O Hill , Steve W Ooi , Christopher N Hulme-Smith , Harshad K Bhadeshia , Martin J Rawson , Mathew J Peet
- 申请人: ROLLS-ROYCE plc
- 申请人地址: GB London
- 专利权人: ROLLS-ROYCE plc
- 当前专利权人: ROLLS-ROYCE plc
- 当前专利权人地址: GB London
- 代理机构: Oliff PLC
- 优先权: GB1604910.8 20160323
- 主分类号: C21D6/00
- IPC分类号: C21D6/00 ; C22C38/10 ; C22C38/04 ; C22C38/12 ; C22C38/06 ; C21D1/18 ; F01D25/00 ; C22C38/44 ; C22C38/52 ; F01D5/02 ; F01D5/28 ; C21D6/02 ; C21D9/00 ; C21D7/13
摘要:
A nanocrystalline bainitic steel consisting of, by weight percentage: 0.3% to 0.6% carbon; 9.0% to 20.0% nickel; up to 10% cobalt; 1.0% to 4.5% aluminium; up to 0.5% molybdenum; up to 0.5% manganese; up to 0.5% tungsten; up to 3.0% chromium; and the balance being iron and impurities.
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