WO2013045847A2 - Alliage a base de nickel - Google Patents
Alliage a base de nickel Download PDFInfo
- Publication number
- WO2013045847A2 WO2013045847A2 PCT/FR2012/052187 FR2012052187W WO2013045847A2 WO 2013045847 A2 WO2013045847 A2 WO 2013045847A2 FR 2012052187 W FR2012052187 W FR 2012052187W WO 2013045847 A2 WO2013045847 A2 WO 2013045847A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- nickel
- based alloy
- alloy
- alloy according
- Prior art date
Links
Classifications
-
- 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
- C22C19/057—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being less 10%
Definitions
- the subject of the invention is a nickel-based alloy.
- the alloy proposed herein comprises, in a nickel base, from 9.5% to 9.90% by weight of cobalt, from 8.70% to 9.00% by weight of chromium, from , 65% to 7.05% by weight of tungsten, from 3.67% to 3.87% by weight of tantalum, from 1.77% to 1.97% by weight of molybdenum, from 0.10% to 0% by weight. 12% by weight of carbon; and it differs from the conventional composition of René 125 by contents of 4.80% to 5.00% by weight of aluminum, from 1.48% to 1.52% by weight of hafnium, 2.28% to 2.33% by weight of titanium, from 0.0005% to 0.01% by weight of boron.
- the alloy does not in principle include other ingredients, except at levels much lower than those mentioned so far, or only in the form of traces or impurities. It is thus emphasized in particular that zirconium, which is quite abundant in René 125, is completely or almost completely removed from the present alloy (at most 0.007% by weight), as is phosphorus and sulfur (at most 0.001% by weight). each) . Certain other criteria corresponding to secondary aspects of the invention can still be advantageously respected as will be detailed below.
- This alloy is much more resistant to hot crack formation than René 125; it can therefore be used in foundry manufacturing processes of complex shapes.
- Phosphorus and sulfur deserve the same comments, but their importance is less since their content is already reduced in René 125.
- Titanium and hafnium their effect was the same but less important, so that their total suppression is not recommended, a slight drop in the content sufficient to greatly reduce the probability of cracks.
- the levels proposed in the invention lead to probabilities of cracks at least four times lower than in Rene 125 (the comparative tests each time focused on a single variant element).
- Total content of hafnium, titanium and aluminum the scrap rate was at a low level between approximately 8.73% and 8.77% (cumulative levels), then increased abruptly by being at least four times higher.
- Aluminum does not per se have the detrimental role of the other elements mentioned above and its content is even increased in the invention, but this criterion shows that it can not be excessively.
- the total content is advantageously less than the last digit.
- Nickel The percentage of part waste due to crack decreased from 59.71% nickel, and reached a plateau corresponding to very low scrap rates from around 59.83%. The content is advantageously greater than the latter figure.
- Silicon it is at most 0.10% by weight in René 125, and advantageously present in the form of traces in the invention.
- the heat treatment used for the tests as well as for the molding of the blowers was a T3R, ie heating at 1175 ° C for 30 minutes, then cooling to 1095 ° C in 6 to 10 minutes, then cooling baked at 650 ° Celsius, then air-cooled, and annealed at 815 ° C for 16 hours under vacuum or protective atmosphere.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Mold Materials And Core Materials (AREA)
- Ceramic Products (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Continuous Casting (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12775775.5A EP2761044B1 (fr) | 2011-09-28 | 2012-09-27 | Alliage a base de nickel |
US14/347,440 US20140241936A1 (en) | 2011-09-28 | 2012-09-27 | Nickel alloy |
BR112014007419A BR112014007419A2 (pt) | 2011-09-28 | 2012-09-27 | liga à base de níquel |
CA2850238A CA2850238A1 (fr) | 2011-09-28 | 2012-09-27 | Alliage a base de nickel |
RU2014116986/02A RU2014116986A (ru) | 2011-09-28 | 2012-09-27 | Сплав на основе никеля |
CN201280047098.5A CN103827331B (zh) | 2011-09-28 | 2012-09-27 | 镍合金 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1158705A FR2980485B1 (fr) | 2011-09-28 | 2011-09-28 | Alliage a base de nickel |
FR1158705 | 2011-09-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2013045847A2 true WO2013045847A2 (fr) | 2013-04-04 |
WO2013045847A3 WO2013045847A3 (fr) | 2013-10-24 |
Family
ID=47071360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2012/052187 WO2013045847A2 (fr) | 2011-09-28 | 2012-09-27 | Alliage a base de nickel |
Country Status (9)
Country | Link |
---|---|
US (1) | US20140241936A1 (fr) |
EP (1) | EP2761044B1 (fr) |
JP (1) | JP2014530299A (fr) |
CN (1) | CN103827331B (fr) |
BR (1) | BR112014007419A2 (fr) |
CA (1) | CA2850238A1 (fr) |
FR (1) | FR2980485B1 (fr) |
RU (1) | RU2014116986A (fr) |
WO (1) | WO2013045847A2 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200102628A1 (en) | 2017-03-31 | 2020-04-02 | Siemens Aktiengesellschaft | High-temperature nickel-based alloys |
CN113265564B (zh) * | 2021-05-06 | 2022-04-29 | 中国联合重型燃气轮机技术有限公司 | 一种长时稳定性好的高温合金及其制备方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA935674A (en) * | 1968-04-29 | 1973-10-23 | H. Lund Carl | Cast alloys |
IL65897A0 (en) * | 1981-10-02 | 1982-08-31 | Gen Electric | Single crystal nickel-base superalloy,article and method for making |
US5399313A (en) * | 1981-10-02 | 1995-03-21 | General Electric Company | Nickel-based superalloys for producing single crystal articles having improved tolerance to low angle grain boundaries |
FR2593830B1 (fr) * | 1986-02-06 | 1988-04-08 | Snecma | Superalliage a matrice a base de nickel notamment elabore en metallurgie des poudres et disque de turbomachine constitue en cet alliage |
JP3402603B2 (ja) * | 1986-03-27 | 2003-05-06 | ゼネラル・エレクトリック・カンパニイ | 単結晶製品を製造するための改善された低角粒界耐性を有するニッケル基―超合金 |
JP2819906B2 (ja) * | 1991-12-27 | 1998-11-05 | 住友金属工業株式会社 | 室温および高温強度に優れた工具用Ni基合金 |
US5443789A (en) * | 1992-09-14 | 1995-08-22 | Cannon-Muskegon Corporation | Low yttrium, high temperature alloy |
JP3164972B2 (ja) * | 1993-08-06 | 2001-05-14 | 株式会社日立製作所 | ガスタービン用動翼及びその製造法とそれを用いたガスタービン |
FR2768750B1 (fr) * | 1997-09-25 | 1999-11-05 | Snecma | Procede pour ameliorer la resistance a l'oxydation et a la corrosion d'une piece en superalliage et piece en superalliage obtenue par ce procede |
JP5073905B2 (ja) * | 2000-02-29 | 2012-11-14 | ゼネラル・エレクトリック・カンパニイ | ニッケル基超合金及び該超合金から製造したタービン部品 |
US6558119B2 (en) * | 2001-05-29 | 2003-05-06 | General Electric Company | Turbine airfoil with separately formed tip and method for manufacture and repair thereof |
US7341427B2 (en) * | 2005-12-20 | 2008-03-11 | General Electric Company | Gas turbine nozzle segment and process therefor |
US8267662B2 (en) * | 2007-12-13 | 2012-09-18 | General Electric Company | Monolithic and bi-metallic turbine blade dampers and method of manufacture |
US20110076182A1 (en) * | 2009-09-30 | 2011-03-31 | General Electric Company | Nickel-Based Superalloys and Articles |
CH702642A1 (de) * | 2010-02-05 | 2011-08-15 | Alstom Technology Ltd | Nickel-Basis-Superlegierung mit verbessertem Degradationsverhalten. |
-
2011
- 2011-09-28 FR FR1158705A patent/FR2980485B1/fr not_active Expired - Fee Related
-
2012
- 2012-09-27 JP JP2014532452A patent/JP2014530299A/ja active Pending
- 2012-09-27 US US14/347,440 patent/US20140241936A1/en not_active Abandoned
- 2012-09-27 BR BR112014007419A patent/BR112014007419A2/pt not_active IP Right Cessation
- 2012-09-27 EP EP12775775.5A patent/EP2761044B1/fr active Active
- 2012-09-27 CA CA2850238A patent/CA2850238A1/fr not_active Abandoned
- 2012-09-27 CN CN201280047098.5A patent/CN103827331B/zh not_active Expired - Fee Related
- 2012-09-27 WO PCT/FR2012/052187 patent/WO2013045847A2/fr active Application Filing
- 2012-09-27 RU RU2014116986/02A patent/RU2014116986A/ru not_active Application Discontinuation
Non-Patent Citations (1)
Title |
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None |
Also Published As
Publication number | Publication date |
---|---|
JP2014530299A (ja) | 2014-11-17 |
CA2850238A1 (fr) | 2013-04-04 |
RU2014116986A (ru) | 2015-11-10 |
EP2761044B1 (fr) | 2015-08-19 |
FR2980485A1 (fr) | 2013-03-29 |
CN103827331A (zh) | 2014-05-28 |
US20140241936A1 (en) | 2014-08-28 |
FR2980485B1 (fr) | 2014-07-04 |
BR112014007419A2 (pt) | 2017-04-04 |
WO2013045847A3 (fr) | 2013-10-24 |
CN103827331B (zh) | 2016-05-11 |
EP2761044A2 (fr) | 2014-08-06 |
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