JP2004315973A - 析出強化型ニッケル−鉄−クロム合金及びその処理方法 - Google Patents
析出強化型ニッケル−鉄−クロム合金及びその処理方法 Download PDFInfo
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- JP2004315973A JP2004315973A JP2004117502A JP2004117502A JP2004315973A JP 2004315973 A JP2004315973 A JP 2004315973A JP 2004117502 A JP2004117502 A JP 2004117502A JP 2004117502 A JP2004117502 A JP 2004117502A JP 2004315973 A JP2004315973 A JP 2004315973A
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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
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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
- C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
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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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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Forging (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
【解決手段】 かかる合金は、生成微細炭窒化チタン−ジルコニウム析出物が溶融時の合金中におけるその限界溶解度に近くなるようにするのに十分な量のチタン、ジルコニウム、炭素及び窒素を含む。加工熱処理によってかかる合金から物品を製造する際には、融液の凝固時に微細炭窒化チタン−ジルコニウム析出物の分散体が生成し、以後の高温処理段階時にも存続してオーステナイト結晶粒の成長を防止する。
【選択図】 図3
Description
Claims (11)
- 微細(TixZr1-x)(CyN1-y)析出物の均一分散体を溶融状態における当該合金中での(TixZr1-x)(CyN1-y)析出物の限界溶解度に近い量で含むニッケル−鉄−クロム合金。
- 当該合金が、重量基準で、約32〜約38%の鉄、約22〜約28%のクロム、約0.10〜約0.60%のチタン、約0.05〜約0.30%のジルコニウム、約0.05〜約0.30%の炭素、約0.05〜約0.30%の窒素、約0.05〜約0.5%のアルミニウム、0.99%以下のモリブデン、約0.01%以下のホウ素、約1%以下のケイ素、約1%以下のマンガン、及び残部のニッケルと不可避不純物から実質的になる、請求項1記載のニッケル−鉄−クロム合金。
- 当該合金が0.20重量%以上のチタンを含む、請求項1記載のニッケル−鉄−クロム合金。
- 当該合金が、重量基準で、0.05%以上のジルコニウム、0.05%以上の炭素、0.05%以上の窒素、及び0.30%以上のチタンを含み、当該合金の炭素:窒素重量比が1:2以上1:1未満である、請求項3記載のニッケル−鉄−クロム合金。
- 当該合金がニオブ、タンタル及びバナジウムを実質的に含まない、請求項1記載のニッケル−鉄−クロム合金。
- 当該合金が、炭化クロムを実質的に含まなくするのに十分なチタン、ジルコニウム及び/又はアルミニウムを含む、請求項1記載のニッケル−鉄−クロム合金。
- 当該合金がASTM No.4又はそれよりも微細な平均結晶粒度を有する、請求項1記載のニッケル−鉄−クロム合金。
- 重量基準で、約32〜約38%の鉄、約22〜約28%のクロム、約0.10〜約0.60%のチタン、約0.05〜約0.30%のジルコニウム、約0.05〜約0.30%の炭素、約0.05〜約0.30%の窒素、約0.05〜約0.5%のアルミニウム、0.99%以下のモリブデン、約0.01%以下のホウ素、約1%以下のケイ素、約1%以下のマンガン、及び残部のニッケルと不可避不純物から実質的になり、炭素及び窒素が1:2以上1:1未満の炭素:窒素重量比で存在している、ニッケル−鉄−クロム合金。
- 当該合金が、重量基準で、33〜37%の鉄、23〜27%のクロム、0.25〜0.35%のチタン、0.05〜0.10%のジルコニウム、0.05〜0.15%の炭素、0.10〜0.20%の窒素、0.1〜0.2%のアルミニウム、0.60〜0.90%のモリブデン、0.006%以下のホウ素、0.80%以下のケイ素、0.80%以下のマンガン、及び残部のニッケルと不可避不純物から実質的になる、請求項8記載のニッケル−鉄−クロム合金。
- 当該合金が微細(TixZr1-x)(CyN1-y)析出物の均一分散体を含む、請求項8記載のニッケル−鉄−クロム合金。
- ニッケル−鉄−クロム合金の処理方法であって、
生成(TixZr1-x)(CyN1-y)析出物が当該合金の融液中でのその限界溶解度に近くなるのに十分な量のチタン、ジルコニウム、炭素及び窒素を含む該合金の融液を調製し、
微細(TixZr1-x)(CyN1-y)析出物の分散体を含む該合金のインゴットを形成し、
約1175〜約1230℃の温度で該合金を加工熱処理し、
該物品を溶体化熱処理し、
微細(TixZr1-x)(CyN1-y)析出物の分散体を含む物品を急冷する
段階を含んでなる方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/249,480 | 2003-04-14 | ||
US10/249,480 US7118636B2 (en) | 2003-04-14 | 2003-04-14 | Precipitation-strengthened nickel-iron-chromium alloy |
Publications (3)
Publication Number | Publication Date |
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JP2004315973A true JP2004315973A (ja) | 2004-11-11 |
JP2004315973A5 JP2004315973A5 (ja) | 2007-05-31 |
JP5047456B2 JP5047456B2 (ja) | 2012-10-10 |
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JP2004117502A Expired - Fee Related JP5047456B2 (ja) | 2003-04-14 | 2004-04-13 | 析出強化型ニッケル−鉄−クロム合金及びその処理方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US7118636B2 (ja) |
EP (1) | EP1469095B1 (ja) |
JP (1) | JP5047456B2 (ja) |
KR (1) | KR100917482B1 (ja) |
CN (1) | CN100410404C (ja) |
AT (1) | ATE370259T1 (ja) |
DE (1) | DE602004008134T2 (ja) |
Cited By (1)
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WO2023199902A1 (ja) * | 2022-04-11 | 2023-10-19 | 日本製鉄株式会社 | 合金材 |
Families Citing this family (14)
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SE527319C2 (sv) * | 2003-10-02 | 2006-02-07 | Sandvik Intellectual Property | Legering för högtemperaturanvändning |
CN100500881C (zh) * | 2007-03-05 | 2009-06-17 | 贵州安大航空锻造有限责任公司 | Gh4169合金近等温锻造用细晶环坯的制坯方法 |
US20080264444A1 (en) * | 2007-04-30 | 2008-10-30 | United Technologies Corporation | Method for removing carbide-based coatings |
US8430075B2 (en) * | 2008-12-16 | 2013-04-30 | L.E. Jones Company | Superaustenitic stainless steel and method of making and use thereof |
US8479700B2 (en) * | 2010-01-05 | 2013-07-09 | L. E. Jones Company | Iron-chromium alloy with improved compressive yield strength and method of making and use thereof |
US20130126056A1 (en) * | 2011-11-18 | 2013-05-23 | General Electric Company | Cast nickel-iron-base alloy component and process of forming a cast nickel-iron-base alloy component |
US9540714B2 (en) | 2013-03-15 | 2017-01-10 | Ut-Battelle, Llc | High strength alloys for high temperature service in liquid-salt cooled energy systems |
US9683280B2 (en) | 2014-01-10 | 2017-06-20 | Ut-Battelle, Llc | Intermediate strength alloys for high temperature service in liquid-salt cooled energy systems |
US9683279B2 (en) | 2014-05-15 | 2017-06-20 | Ut-Battelle, Llc | Intermediate strength alloys for high temperature service in liquid-salt cooled energy systems |
US9605565B2 (en) | 2014-06-18 | 2017-03-28 | Ut-Battelle, Llc | Low-cost Fe—Ni—Cr alloys for high temperature valve applications |
CN106939396B (zh) * | 2017-02-16 | 2018-07-17 | 华能国际电力股份有限公司 | 一种获得镍铁铬基变形高温合金弯曲锯齿晶界的热处理工艺 |
CN108977718A (zh) * | 2018-07-25 | 2018-12-11 | 江苏永达电源股份有限公司 | 一种抗蠕变性能提升的合金 |
DE102022110383A1 (de) | 2022-04-28 | 2023-11-02 | Vdm Metals International Gmbh | Verwendung einer Nickel-Eisen-Chrom-Legierung mit hoher Beständigkeit in aufkohlenden und sulfidierenden und chlorierenden Umgebungen und gleichzeitig guter Verarbeitbarkeit und Festigkeit |
DE102022110384A1 (de) | 2022-04-28 | 2023-11-02 | Vdm Metals International Gmbh | Verwendung einer Nickel-Eisen-Chrom-Legierung mit hoher Beständigkeit in hoch korrosiven Umgebungen und gleichzeitig guter Verarbeitbarkeit und Festigkeit |
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- 2004-04-08 DE DE602004008134T patent/DE602004008134T2/de not_active Expired - Lifetime
- 2004-04-08 AT AT04252133T patent/ATE370259T1/de not_active IP Right Cessation
- 2004-04-13 JP JP2004117502A patent/JP5047456B2/ja not_active Expired - Fee Related
- 2004-04-14 CN CNB2004100343690A patent/CN100410404C/zh not_active Expired - Fee Related
- 2004-04-14 KR KR1020040025756A patent/KR100917482B1/ko not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
CN1540015A (zh) | 2004-10-27 |
ATE370259T1 (de) | 2007-09-15 |
KR100917482B1 (ko) | 2009-09-16 |
DE602004008134D1 (de) | 2007-09-27 |
EP1469095A1 (en) | 2004-10-20 |
US7118636B2 (en) | 2006-10-10 |
KR20040089592A (ko) | 2004-10-21 |
JP5047456B2 (ja) | 2012-10-10 |
US20070044872A1 (en) | 2007-03-01 |
US7507306B2 (en) | 2009-03-24 |
CN100410404C (zh) | 2008-08-13 |
EP1469095B1 (en) | 2007-08-15 |
DE602004008134T2 (de) | 2008-05-08 |
US20040202569A1 (en) | 2004-10-14 |
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