JP2010042448A - 溶接性を高めるため超合金鋳造品に戦略的に配置される大結晶粒 - Google Patents
溶接性を高めるため超合金鋳造品に戦略的に配置される大結晶粒 Download PDFInfo
- Publication number
- JP2010042448A JP2010042448A JP2009177144A JP2009177144A JP2010042448A JP 2010042448 A JP2010042448 A JP 2010042448A JP 2009177144 A JP2009177144 A JP 2009177144A JP 2009177144 A JP2009177144 A JP 2009177144A JP 2010042448 A JP2010042448 A JP 2010042448A
- Authority
- JP
- Japan
- Prior art keywords
- fusion welding
- welding
- single crystal
- superalloy
- grains
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
- B22D27/045—Directionally solidified castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/0033—Preliminary treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/0046—Welding
- B23K15/0093—Welding characterised by the properties of the materials to be welded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/60—Preliminary treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/23—Arc welding or cutting taking account of the properties of the materials to be welded
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/005—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method by irradiation or electric discharge
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/52—Alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/001—Turbines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Inorganic Chemistry (AREA)
- Thermal Sciences (AREA)
- Optics & Photonics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Laser Beam Processing (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
【解決手段】融接が必要とされる領域で鋳造作業時に選択的に粗大単結晶を成長させることによって超合金部品の割れを減少させる。鋳造品において下流の製造段階で融接が実施される位置に選択的に粗大単結晶を配置することによって、超合金の母材熱影響部での割れが低減又は解消し、粒界がなくなる。これは、鋳造品の設計要件の満足、品質の向上、修繕作業の減少、スクラップ解消に役立つ。
【選択図】図2
Description
Claims (12)
- 金属部品の溶接部及び母材熱影響部の割れを減少させる方法であって、融接が必要とされる領域で鋳造作業時に選択的に粗大単結晶を成長させる段階を含む方法。
- 前記単結晶粒の選択的成長が、結晶粒セレクタ部材を用いて関心領域で支配的に結晶粒を成長させる単結晶鋳造技術を用いて達成される、請求項1記載の方法。
- 前記融接が周囲温度の部品で実施される、請求項1記載の方法。
- 前記融接が、所要の温度に予熱された部品で実施される、請求項1記載の方法。
- 前記部品が300°F〜2200°Fの範囲内の温度に予熱される、請求項4記載の方法。
- 前記融接が、ティグ溶接(GTAW)、プラズマ溶接(PAW)、電子ビーム溶接(EBW)及びレーザビーム溶接/肉盛法を用いて、予熱して又は予熱なしで実施される、請求項1記載の方法。
- ワイヤ、シム又は粉体の形態の溶加材を用いる、請求項1記載の方法。
- 前記融接プロセスが、手動、半自動又は自動的に実施される、請求項1記載の方法。
- 固溶強化超合金、γ′強化超合金又は特定の性質を与えるための表面改質に用いられる合金から選択される溶加材を用いる、請求項7記載の方法。
- 前記金属部品が、産業用タービン又は航空タービンから選択されるガスタービン高温ガス流路部品である、請求項1記載の方法。
- 前記金属部品が超合金(ニッケル基及びコバルト基)材料からなる、請求項1記載の方法。
- 前記粗大単結晶が、前記部品の融接が必要とされる領域に位置する、請求項1記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/185,465 | 2008-08-04 | ||
US12/185,465 US8809724B2 (en) | 2008-08-04 | 2008-08-04 | Strategically placed large grains in superalloy casting to improve weldability |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010042448A true JP2010042448A (ja) | 2010-02-25 |
JP5631562B2 JP5631562B2 (ja) | 2014-11-26 |
Family
ID=41381698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009177144A Expired - Fee Related JP5631562B2 (ja) | 2008-08-04 | 2009-07-30 | 溶接性を高めるため超合金鋳造品に戦略的に配置される大結晶粒 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8809724B2 (ja) |
EP (1) | EP2151292B1 (ja) |
JP (1) | JP5631562B2 (ja) |
PL (1) | PL2151292T3 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8641381B2 (en) * | 2010-04-14 | 2014-02-04 | General Electric Company | System and method for reducing grain boundaries in shrouded airfoils |
US9228498B2 (en) * | 2012-03-01 | 2016-01-05 | Solar Turbines Incorporated | Laser clad fuel injector premix barrel |
US20160325380A1 (en) * | 2015-05-08 | 2016-11-10 | Dm3D Technology, Llc | Hybrid manufacturing using metal forming and additive manufacturing |
CN106695142A (zh) * | 2016-12-30 | 2017-05-24 | 龙工(上海)挖掘机制造有限公司 | 一种铲斗斗齿的焊接方法 |
DE102018124442A1 (de) | 2017-11-15 | 2019-05-16 | Taiwan Semiconductor Manufacturing Co. Ltd. | Polarisatoren für Bildsensorvorrichtungen |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01107973A (ja) * | 1987-10-21 | 1989-04-25 | Hitachi Ltd | 翼の製作方法 |
JPH0994631A (ja) * | 1995-09-28 | 1997-04-08 | Mitsubishi Heavy Ind Ltd | 単結晶精密鋳造用鋳型 |
JP2001232445A (ja) * | 2000-02-23 | 2001-08-28 | Mitsubishi Heavy Ind Ltd | 単結晶精密鋳造用鋳型の製造方法 |
JP2007506556A (ja) * | 2003-09-24 | 2007-03-22 | エムティーユー エアロ エンジンズ ゲーエムベーハー | 構造部品を溶接するための方法及び装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3650635A (en) | 1970-03-09 | 1972-03-21 | Chromalloy American Corp | Turbine vanes |
US4549058A (en) | 1983-09-30 | 1985-10-22 | United Technologies Corporation | Feather seal slot for vanes |
US5160822A (en) | 1991-05-14 | 1992-11-03 | General Electric Company | Method for depositing material on the tip of a gas turbine engine airfoil using linear translational welding |
DE4327189C2 (de) | 1993-08-13 | 1996-02-01 | Mtu Muenchen Gmbh | Reparaturverfahren für im Kopf- oder Kantenbereich beschädigte Schaufelblätter von Turbomaschinen |
DE19630703C2 (de) | 1996-07-30 | 2000-02-10 | Mtu Muenchen Gmbh | Verfahren und Vorrichtung zum Reparaturschweissen von Teilen aus Ni-Basis-Legierungen sowie Anwendung des Verfahrens und Vorrichtung |
US6615470B2 (en) | 1997-12-15 | 2003-09-09 | General Electric Company | System and method for repairing cast articles |
US6054672A (en) | 1998-09-15 | 2000-04-25 | Chromalloy Gas Turbine Corporation | Laser welding superalloy articles |
DE10005874B4 (de) | 2000-02-10 | 2007-08-09 | Alstom Technology Ltd. | Schweissverfahren zur Rissreparatur |
US20030116234A1 (en) * | 2001-12-21 | 2003-06-26 | Santella Michael L. | Consumable welding filler metal for cladding alloys |
EP1340567A1 (en) | 2002-02-27 | 2003-09-03 | ALSTOM (Switzerland) Ltd | Method of removing casting defects |
US8220697B2 (en) * | 2005-01-18 | 2012-07-17 | Siemens Energy, Inc. | Weldability of alloys with directionally-solidified grain structure |
US20060231535A1 (en) | 2005-04-19 | 2006-10-19 | Fuesting Timothy P | Method of welding a gamma-prime precipitate strengthened material |
US20100206855A1 (en) | 2007-10-08 | 2010-08-19 | Selim Mokadem | Preheating temperature during remelting |
-
2008
- 2008-08-04 US US12/185,465 patent/US8809724B2/en active Active
-
2009
- 2009-07-28 PL PL09166580T patent/PL2151292T3/pl unknown
- 2009-07-28 EP EP09166580.2A patent/EP2151292B1/en not_active Not-in-force
- 2009-07-30 JP JP2009177144A patent/JP5631562B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01107973A (ja) * | 1987-10-21 | 1989-04-25 | Hitachi Ltd | 翼の製作方法 |
JPH0994631A (ja) * | 1995-09-28 | 1997-04-08 | Mitsubishi Heavy Ind Ltd | 単結晶精密鋳造用鋳型 |
JP2001232445A (ja) * | 2000-02-23 | 2001-08-28 | Mitsubishi Heavy Ind Ltd | 単結晶精密鋳造用鋳型の製造方法 |
JP2007506556A (ja) * | 2003-09-24 | 2007-03-22 | エムティーユー エアロ エンジンズ ゲーエムベーハー | 構造部品を溶接するための方法及び装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2151292A1 (en) | 2010-02-10 |
EP2151292B1 (en) | 2014-10-01 |
US20100025382A1 (en) | 2010-02-04 |
US8809724B2 (en) | 2014-08-19 |
PL2151292T3 (pl) | 2015-01-30 |
JP5631562B2 (ja) | 2014-11-26 |
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