JP6733210B2 - 熱間鍛造用Ni基超合金 - Google Patents
熱間鍛造用Ni基超合金 Download PDFInfo
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- JP6733210B2 JP6733210B2 JP2016029374A JP2016029374A JP6733210B2 JP 6733210 B2 JP6733210 B2 JP 6733210B2 JP 2016029374 A JP2016029374 A JP 2016029374A JP 2016029374 A JP2016029374 A JP 2016029374A JP 6733210 B2 JP6733210 B2 JP 6733210B2
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Forging (AREA)
Description
式1:[Al]+[Ti]+[Nb]+[Ta]
式2:([Ti]+[Nb]+[Ta])/[Al]×10
ここで、式1は、γ’相を生成する元素の含有量合計である。主として、γ’相の固溶温度よりも低温域でγ’相の析出量を増加させる傾向と比例し、得られる鍛造製品の高温強度を高めるための1つの指標となる。そして、式2は、主として、前記したγ’相の固溶温度の高低の1つの指標となる。すなわち、γ’の固溶温度は、Ti、Nb及びTaの含有量の増加によって高くなり、Alの含有量の増加によって低くなる傾向にある。かかる固溶温度が低いと、熱間鍛造がより低温でも可能であり、「熱間鍛造性が高い」ということになる。
Claims (3)
- 熱間鍛造用のNi基超合金であって、
質量%で、
C:0.001%を超え0.100%未満、
Cr:11%以上19%未満、
Co:11.2%以上25%未満、
Fe:0.1%以上4.0%未満、
Mo:2.0%を超え5.0%未満、
W:1.0%を超え5.0%未満、
Nb:0.3%以上4.0%未満、
Al:3.0%を超え5.0%未満、
Ti:1.0%を超え3.4%未満、
Ta:0.01%以上2.0%未満、
残部を不可避的不純物及びNiとする成分組成であり、且つ、
元素Mの原子%を[M]とすると、
([Ti]+[Nb]+[Ta])/[Al]×10の値が3.5以上6.5未満、
[Al]+[Ti]+[Nb]+[Ta]の値が9.5以上13.0未満、とすることを特徴とするNi基超合金。 - 前記成分組成は、質量%で、
B:0.0001%以上0.03%未満、
Zr:0.0001%以上0.1%未満でこのうちの1種又は2種をさらに含むことを特徴とする請求項1記載のNi基超合金。 - 前記成分組成は、質量%で、
Mg:0.0001%以上0.030%未満、
Ca:0.0001%以上0.030%未満、
REM:0.001%以上0.200%以下でこのうちの1種又は2種以上をさらに含むことを特徴とする請求項1又は2に記載のNi基超合金。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016029374A JP6733210B2 (ja) | 2016-02-18 | 2016-02-18 | 熱間鍛造用Ni基超合金 |
US15/405,147 US10472701B2 (en) | 2016-02-18 | 2017-01-12 | Ni-based superalloy for hot forging |
CA2955320A CA2955320C (en) | 2016-02-18 | 2017-01-18 | Ni-based superalloy for hot forging |
AU2017200656A AU2017200656B2 (en) | 2016-02-18 | 2017-02-01 | Ni-based superalloy for hot forging |
EP17154798.7A EP3208354B1 (en) | 2016-02-18 | 2017-02-06 | Ni-based superalloy for hot forging |
CN201710086818.3A CN107090555B (zh) | 2016-02-18 | 2017-02-17 | 用于热锻的Ni基超合金 |
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JP2016029374A JP6733210B2 (ja) | 2016-02-18 | 2016-02-18 | 熱間鍛造用Ni基超合金 |
Publications (2)
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JP2017145478A JP2017145478A (ja) | 2017-08-24 |
JP6733210B2 true JP6733210B2 (ja) | 2020-07-29 |
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JP2016029374A Active JP6733210B2 (ja) | 2016-02-18 | 2016-02-18 | 熱間鍛造用Ni基超合金 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10472701B2 (ja) |
EP (1) | EP3208354B1 (ja) |
JP (1) | JP6733210B2 (ja) |
CN (1) | CN107090555B (ja) |
AU (1) | AU2017200656B2 (ja) |
CA (1) | CA2955320C (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6809169B2 (ja) * | 2016-11-28 | 2021-01-06 | 大同特殊鋼株式会社 | Ni基超合金素材の製造方法 |
GB2565063B (en) | 2017-07-28 | 2020-05-27 | Oxmet Tech Limited | A nickel-based alloy |
CN108330335A (zh) * | 2018-03-15 | 2018-07-27 | 江苏理工学院 | 一种高温耐热合金及其制造工艺 |
EP3572541B1 (en) | 2018-05-23 | 2023-05-17 | Rolls-Royce plc | Nickel-base superalloy |
JP7521194B2 (ja) * | 2020-01-22 | 2024-07-24 | 大同特殊鋼株式会社 | Ni基合金及びその製造方法 |
CN113684396B (zh) * | 2021-08-26 | 2022-05-13 | 大连理工大学 | 一种高含量方形纳米粒子析出强化的γ′-Ni3Al基低成本高温合金及制备方法 |
CN114672696B (zh) * | 2022-03-21 | 2023-03-14 | 钢铁研究总院有限公司 | 一种Ni-Co基高温合金及其制备方法和应用 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US4045255A (en) * | 1976-06-01 | 1977-08-30 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Directionally solidified eutectic γ+β nickel-base superalloys |
US5476555A (en) | 1992-08-31 | 1995-12-19 | Sps Technologies, Inc. | Nickel-cobalt based alloys |
US6905559B2 (en) * | 2002-12-06 | 2005-06-14 | General Electric Company | Nickel-base superalloy composition and its use in single-crystal articles |
JP4830466B2 (ja) * | 2005-01-19 | 2011-12-07 | 大同特殊鋼株式会社 | 900℃での使用に耐える排気バルブ用耐熱合金およびその合金を用いた排気バルブ |
FR2949234B1 (fr) | 2009-08-20 | 2011-09-09 | Aubert & Duval Sa | Superalliage base nickel et pieces realisees en ce suparalliage |
JP5478601B2 (ja) | 2011-12-22 | 2014-04-23 | 株式会社日立製作所 | Ni基鍛造合金と、それを用いたガスタービン |
JP5919980B2 (ja) | 2012-04-06 | 2016-05-18 | 新日鐵住金株式会社 | Ni基耐熱合金 |
US10266926B2 (en) * | 2013-04-23 | 2019-04-23 | General Electric Company | Cast nickel-base alloys including iron |
CN104278175B (zh) | 2013-07-12 | 2018-10-02 | 大同特殊钢株式会社 | 高温强度优异的能够热锻造的Ni基超合金 |
US10487384B2 (en) * | 2013-07-17 | 2019-11-26 | Mitsubishi Hitachi Power Systems, Ltd. | Ni-based alloy product and method for producing same, and Ni-based alloy member and method for producing same |
GB201400352D0 (en) * | 2014-01-09 | 2014-02-26 | Rolls Royce Plc | A nickel based alloy composition |
EP3257963A4 (en) * | 2015-02-12 | 2018-10-17 | Hitachi Metals, Ltd. | METHOD FOR MANUFACTURING Ni-BASED SUPER-HEAT-RESISTANT ALLOY |
CN107427897B (zh) * | 2015-03-30 | 2018-12-04 | 日立金属株式会社 | Ni基超耐热合金的制造方法 |
JP6733211B2 (ja) * | 2016-02-18 | 2020-07-29 | 大同特殊鋼株式会社 | 熱間鍛造用Ni基超合金 |
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2016
- 2016-02-18 JP JP2016029374A patent/JP6733210B2/ja active Active
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2017
- 2017-01-12 US US15/405,147 patent/US10472701B2/en active Active
- 2017-01-18 CA CA2955320A patent/CA2955320C/en active Active
- 2017-02-01 AU AU2017200656A patent/AU2017200656B2/en active Active
- 2017-02-06 EP EP17154798.7A patent/EP3208354B1/en active Active
- 2017-02-17 CN CN201710086818.3A patent/CN107090555B/zh active Active
Also Published As
Publication number | Publication date |
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US10472701B2 (en) | 2019-11-12 |
CA2955320A1 (en) | 2017-08-18 |
CN107090555B (zh) | 2019-09-13 |
CN107090555A (zh) | 2017-08-25 |
AU2017200656B2 (en) | 2022-02-17 |
AU2017200656A1 (en) | 2017-09-07 |
JP2017145478A (ja) | 2017-08-24 |
EP3208354B1 (en) | 2018-08-01 |
CA2955320C (en) | 2023-07-25 |
US20170240996A1 (en) | 2017-08-24 |
EP3208354A1 (en) | 2017-08-23 |
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