JP5104797B2 - Ni基合金の熱処理方法と、Ni基合金部材の再生方法 - Google Patents
Ni基合金の熱処理方法と、Ni基合金部材の再生方法 Download PDFInfo
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- JP5104797B2 JP5104797B2 JP2009083990A JP2009083990A JP5104797B2 JP 5104797 B2 JP5104797 B2 JP 5104797B2 JP 2009083990 A JP2009083990 A JP 2009083990A JP 2009083990 A JP2009083990 A JP 2009083990A JP 5104797 B2 JP5104797 B2 JP 5104797B2
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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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/11—Making amorphous alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
Description
結晶粒界がジグザグ化されているとは、すなわち隣接する結晶粒界三重点の間の線分に複数の節があることを言う。また、粒内に微細なγ′相,γ″相が析出しているとは、具体的には、結晶粒内のγ′相(Ni 3 Al)またはγ″相(Ni 3 Nb)の平均粒径が100nm以下であることである。このようなNi基合金では、高温強度特性に優れる。
Claims (2)
- 0.03wt.%のC、36.1wt.%のFe、16.3wt.%のCr、2.9wt.%のNb、0.4wt.%のAl、1.7wt.%のTi、0.02wt.%のSiを含有し、残部がNiと不純物からなるNi基合金の熱処理方法であって、
η相(Ni3Ti),γ´相(Ni3Al)およびγ´´相(Ni3Nb)の固溶温度以上の温度で溶体化処理するプロセスと、
800℃〜900℃の温度範囲でη相を析出させる第一の時効プロセスと、
γ´相およびγ´´相の固溶温度よりも高く、η相の固溶温度より10℃高い温度以下で、γ´相およびγ´´相を再溶体化するプロセスと、
800℃以下の温度で、γ´相およびγ´´相の少なくともいずれかを析出させる第二の時効プロセスとを有することを特徴とするNi基合金の熱処理方法。
- 0.05wt.%のC、6wt.%のMo、20wt.%のCo、20wt.%のCr、0.4wt.%のAl、2.4wt.%のTi、0.02wt.%のSiを含有し、残部がNiと不純物であり、γ´相(Ni3Al)またはγ´´相(Ni3Nb)の少なくともいずれかを析出させたNi基合金よりなり、実機使用によりη相が析出したNi基合金部材の再生方法であって、
γ´相およびγ´´相の固溶温度よりも高く、η相の固溶温度より10℃高い温度以下で、γ´相およびγ´´相を再溶体化するプロセスと、
800℃以下の温度で、γ´相およびγ´´相の少なくともいずれかを析出させる第二の時効プロセスとを有することを特徴とするNi基合金部材の再生方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009083990A JP5104797B2 (ja) | 2009-03-31 | 2009-03-31 | Ni基合金の熱処理方法と、Ni基合金部材の再生方法 |
EP10153772.8A EP2236635B1 (en) | 2009-03-31 | 2010-02-17 | Ni-base alloy and method of producing the same |
US12/707,748 US8906174B2 (en) | 2009-03-31 | 2010-02-18 | Ni-base alloy and method of producing the same |
Applications Claiming Priority (1)
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JP2009083990A JP5104797B2 (ja) | 2009-03-31 | 2009-03-31 | Ni基合金の熱処理方法と、Ni基合金部材の再生方法 |
Publications (2)
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JP2010235996A JP2010235996A (ja) | 2010-10-21 |
JP5104797B2 true JP5104797B2 (ja) | 2012-12-19 |
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JP2009083990A Active JP5104797B2 (ja) | 2009-03-31 | 2009-03-31 | Ni基合金の熱処理方法と、Ni基合金部材の再生方法 |
Country Status (3)
Country | Link |
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US (1) | US8906174B2 (ja) |
EP (1) | EP2236635B1 (ja) |
JP (1) | JP5104797B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8608877B2 (en) | 2010-07-27 | 2013-12-17 | General Electric Company | Nickel alloy and articles |
JP5985754B2 (ja) * | 2013-07-17 | 2016-09-06 | 三菱日立パワーシステムズ株式会社 | Ni基合金製品とその製造方法 |
RU2740673C1 (ru) * | 2017-05-26 | 2021-01-19 | Сименс Энерджи, Инк. | Ремонт пайкой компонента турбомашины |
CN114134439B (zh) * | 2021-11-30 | 2022-09-20 | 西安欧中材料科技有限公司 | 一种高合金化镍基粉末高温合金盘件的超塑性热处理方法 |
US11525172B1 (en) | 2021-12-01 | 2022-12-13 | L.E. Jones Company | Nickel-niobium intermetallic alloy useful for valve seat inserts |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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GB2098119B (en) * | 1981-05-11 | 1985-09-04 | Chromalloy American Corp | Method of improving mechanical properties of alloy parts |
JPS58113361A (ja) * | 1981-12-26 | 1983-07-06 | Toshiba Corp | ニツケル基超合金の熱処理方法 |
EP0235075B1 (en) * | 1986-01-20 | 1992-05-06 | Mitsubishi Jukogyo Kabushiki Kaisha | Ni-based alloy and method for preparing same |
GB2307483B (en) * | 1993-11-10 | 1998-07-08 | United Technologies Corp | Crack-resistant high strength super alloy articles |
FR2712307B1 (fr) * | 1993-11-10 | 1996-09-27 | United Technologies Corp | Articles en super-alliage à haute résistance mécanique et à la fissuration et leur procédé de fabrication. |
CA2287116C (en) * | 1999-10-25 | 2003-02-18 | Mitsubishi Heavy Industries, Ltd. | Process for the heat treatment of a ni-base heat-resisting alloy |
US7156932B2 (en) * | 2003-10-06 | 2007-01-02 | Ati Properties, Inc. | Nickel-base alloys and methods of heat treating nickel-base alloys |
JP4430974B2 (ja) * | 2004-04-27 | 2010-03-10 | 大同特殊鋼株式会社 | 低熱膨張Ni基超合金の製造方法 |
JP4468082B2 (ja) * | 2004-06-11 | 2010-05-26 | 株式会社東芝 | ガスタービン部品の材料劣化・損傷回復処理方法及びガスタービン部品 |
JP4261562B2 (ja) * | 2006-08-25 | 2009-04-30 | 株式会社日立製作所 | 高温強度と高温延性の優れたNi−Fe基鍛造超合金とその製造法および蒸気タービンロータ |
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2009
- 2009-03-31 JP JP2009083990A patent/JP5104797B2/ja active Active
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2010
- 2010-02-17 EP EP10153772.8A patent/EP2236635B1/en active Active
- 2010-02-18 US US12/707,748 patent/US8906174B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2236635B1 (en) | 2019-08-07 |
US20100243111A1 (en) | 2010-09-30 |
EP2236635A1 (en) | 2010-10-06 |
JP2010235996A (ja) | 2010-10-21 |
US8906174B2 (en) | 2014-12-09 |
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