DE69423061D1 - Gasturbinenschaufel, Verfahren zur Herstellung derselben sowie Gasturbine mit dieser Schaufel - Google Patents
Gasturbinenschaufel, Verfahren zur Herstellung derselben sowie Gasturbine mit dieser SchaufelInfo
- Publication number
- DE69423061D1 DE69423061D1 DE69423061T DE69423061T DE69423061D1 DE 69423061 D1 DE69423061 D1 DE 69423061D1 DE 69423061 T DE69423061 T DE 69423061T DE 69423061 T DE69423061 T DE 69423061T DE 69423061 D1 DE69423061 D1 DE 69423061D1
- Authority
- DE
- Germany
- Prior art keywords
- gas turbine
- blade
- producing
- same
- turbine blade
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
-
- 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
-
- 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%
-
- 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%
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19579593 | 1993-08-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69423061D1 true DE69423061D1 (de) | 2000-03-30 |
DE69423061T2 DE69423061T2 (de) | 2000-10-12 |
Family
ID=16347105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69423061T Expired - Fee Related DE69423061T2 (de) | 1993-08-06 | 1994-07-26 | Gasturbinenschaufel, Verfahren zur Herstellung derselben sowie Gasturbine mit dieser Schaufel |
Country Status (4)
Country | Link |
---|---|
US (1) | US5611670A (de) |
EP (1) | EP0637476B1 (de) |
CN (1) | CN1061123C (de) |
DE (1) | DE69423061T2 (de) |
Families Citing this family (88)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3315800B2 (ja) * | 1994-02-22 | 2002-08-19 | 株式会社日立製作所 | 蒸気タービン発電プラント及び蒸気タービン |
US5964091A (en) * | 1995-07-11 | 1999-10-12 | Hitachi, Ltd. | Gas turbine combustor and gas turbine |
US5778960A (en) * | 1995-10-02 | 1998-07-14 | General Electric Company | Method for providing an extension on an end of an article |
DE69701900T2 (de) * | 1996-02-09 | 2000-12-07 | Hitachi Metals, Ltd. | Hochfeste Superlegierung auf Nickelbasis für gerichtet erstarrte Giesteilen |
US5673744A (en) * | 1996-06-27 | 1997-10-07 | General Electric Company | Method for forming an article extension by melting of a mandrel in a ceramic mold |
US5676191A (en) * | 1996-06-27 | 1997-10-14 | General Electric Company | Solidification of an article extension from a melt using an integral mandrel and ceramic mold |
US5673745A (en) * | 1996-06-27 | 1997-10-07 | General Electric Company | Method for forming an article extension by melting of an alloy preform in a ceramic mold |
US5743322A (en) * | 1996-06-27 | 1998-04-28 | General Electric Company | Method for forming an article extension by casting using a ceramic mold |
US6103993A (en) * | 1996-07-10 | 2000-08-15 | Mtu Motoren-Und Turbinen-Union Munchen Gmbh | Hollow rotor blade of columnar structure having a single crystal column in which a series of holes are laser drilled |
EP0894558A1 (de) * | 1997-07-29 | 1999-02-03 | Siemens Aktiengesellschaft | Turbinenschaufel sowie Verfahren zur Herstellung einer Turbinenschaufel |
CN1278199A (zh) | 1997-10-27 | 2000-12-27 | 西门子西屋动力公司 | 由多块单晶铸造高温合金叶片段制成的涡轮叶片 |
US6325871B1 (en) | 1997-10-27 | 2001-12-04 | Siemens Westinghouse Power Corporation | Method of bonding cast superalloys |
WO1999031365A1 (fr) * | 1997-12-15 | 1999-06-24 | Hitachi, Ltd. | Turbine a gaz utilisee pour produire de l'energie et systeme mixte de production d'energie |
US6217286B1 (en) | 1998-06-26 | 2001-04-17 | General Electric Company | Unidirectionally solidified cast article and method of making |
FR2780982B1 (fr) * | 1998-07-07 | 2000-09-08 | Onera (Off Nat Aerospatiale) | Superalliage monocristallin a base de nickel a haut solvus |
US6800148B2 (en) | 1998-11-05 | 2004-10-05 | Rolls-Royce Corporation | Single crystal vane segment and method of manufacture |
CA2349412C (en) * | 1998-11-05 | 2009-09-01 | Rolls-Royce Corporation | Single crystal vane segment and method of manufacture |
US6444057B1 (en) * | 1999-05-26 | 2002-09-03 | General Electric Company | Compositions and single-crystal articles of hafnium-modified and/or zirconium-modified nickel-base superalloys |
EP1204776B1 (de) * | 1999-07-29 | 2004-06-02 | Siemens Aktiengesellschaft | Hochtemperaturbeständiges bauteil und verfahren zur herstellung des hochtemperaturbeständigen bauteils |
EP1076119A1 (de) * | 1999-08-11 | 2001-02-14 | ABB Alstom Power (Schweiz) AG | Vorrichtung und Verfahren zur Herstellung eines säulenförmigen körnigen Gegenstandes durch gerichtete Erstarrung |
US6574966B2 (en) | 2000-06-08 | 2003-06-10 | Hitachi, Ltd. | Gas turbine for power generation |
US6588484B1 (en) | 2000-06-20 | 2003-07-08 | Howmet Research Corporation | Ceramic casting cores with controlled surface texture |
US7011721B2 (en) * | 2001-03-01 | 2006-03-14 | Cannon-Muskegon Corporation | Superalloy for single crystal turbine vanes |
US20020164263A1 (en) * | 2001-03-01 | 2002-11-07 | Kenneth Harris | Superalloy for single crystal turbine vanes |
US6719853B2 (en) | 2001-04-27 | 2004-04-13 | Siemens Aktiengesellschaft | Method for restoring the microstructure of a textured article and for refurbishing a gas turbine blade or vane |
US7575038B2 (en) | 2001-06-11 | 2009-08-18 | Howmet Research Corporation | Single crystal seed |
EP1284390A1 (de) | 2001-06-27 | 2003-02-19 | Siemens Aktiengesellschaft | Hitzeschildanordnung für eine Heissgas führende Komponente, insbesondere für Strukturteile von Gasturbinen |
EP1319729B1 (de) * | 2001-12-13 | 2007-04-11 | Siemens Aktiengesellschaft | Hochtemperaturbeständiges Bauteil aus einkristalliner oder polykristalliner Nickel-Basis-Superlegierung |
US20030111138A1 (en) * | 2001-12-18 | 2003-06-19 | Cetel Alan D. | High strength hot corrosion and oxidation resistant, directionally solidified nickel base superalloy and articles |
US20040042927A1 (en) * | 2002-08-27 | 2004-03-04 | O'hara Kevin Swayne | Reduced-tantalum superalloy composition of matter and article made therefrom, and method for selecting a reduced-tantalum superalloy |
US6905559B2 (en) * | 2002-12-06 | 2005-06-14 | General Electric Company | Nickel-base superalloy composition and its use in single-crystal articles |
JP3753143B2 (ja) * | 2003-03-24 | 2006-03-08 | 大同特殊鋼株式会社 | Ni基超耐熱鋳造合金およびそれを材料とするタービンホイール |
US20050000603A1 (en) * | 2003-06-25 | 2005-01-06 | John Corrigan | Nickel base superalloy and single crystal castings |
US7201212B2 (en) * | 2003-08-28 | 2007-04-10 | United Technologies Corporation | Investment casting |
EP1536026A1 (de) * | 2003-11-27 | 2005-06-01 | Siemens Aktiengesellschaft | Hochtemperaturbeständiges Bauteil |
EP1715068B1 (de) * | 2003-12-26 | 2012-08-01 | Kawasaki Jukogyo Kabushiki Kaisha | Auf nickel basierende superwärmebeständige legierung und gasturbinenbauteil damit |
CN1317095C (zh) * | 2004-02-25 | 2007-05-23 | 中国科学院金属研究所 | 单晶与定向柱晶复合结晶叶片及其制造方法 |
US7338259B2 (en) * | 2004-03-02 | 2008-03-04 | United Technologies Corporation | High modulus metallic component for high vibratory operation |
EP1595968A1 (de) * | 2004-04-30 | 2005-11-16 | Siemens Aktiengesellschaft | Wärmebehandlungsverfahren für einkristalline oder direktional verfestigte Bauteile |
EP1645538A1 (de) | 2004-10-05 | 2006-04-12 | Siemens Aktiengesellschaft | Materialzusammensetzung für die Herstellung einer Beschichtung für ein Bauteil aus einem metallischen Basismaterial und beschichtetes metallisches Bauteil |
US7708525B2 (en) * | 2005-02-17 | 2010-05-04 | United Technologies Corporation | Industrial gas turbine blade assembly |
WO2006104059A1 (ja) * | 2005-03-28 | 2006-10-05 | National Institute For Materials Science | コバルトフリーのNi基超合金 |
US8273117B2 (en) * | 2005-06-22 | 2012-09-25 | Integran Technologies Inc. | Low texture, quasi-isotropic metallic stent |
US20070122266A1 (en) * | 2005-10-14 | 2007-05-31 | General Electric Company | Assembly for controlling thermal stresses in ceramic matrix composite articles |
EP1914327A1 (de) * | 2006-10-17 | 2008-04-23 | Siemens Aktiengesellschaft | Nickel-Basis-Superlegierung |
US7762309B2 (en) | 2007-09-24 | 2010-07-27 | Siemens Energy, Inc. | Integral single crystal/columnar grained component and method of casting the same |
EP2116319B1 (de) * | 2008-05-09 | 2011-09-14 | Siemens Aktiengesellschaft | Gerichtet erstarrtes längliches Bauteil mit verschieden breiten Längskörnern |
US20100071812A1 (en) * | 2008-09-25 | 2010-03-25 | General Electric Company | Unidirectionally-solidification process and castings formed thereby |
US8079400B2 (en) * | 2008-10-02 | 2011-12-20 | United Technologies Corporation | Process for casting columnar grain airfoil with preferential primary orientation |
EP2210688A1 (de) * | 2009-01-21 | 2010-07-28 | Siemens Aktiengesellschaft | Bauteil mit unterschiedlichem Gefüge und Verfahren zur Herstellung |
US8434543B2 (en) | 2009-07-09 | 2013-05-07 | Honeywell International Inc. | Method of making turbine stator airfoils with individual orientations |
US20110076180A1 (en) * | 2009-09-30 | 2011-03-31 | General Electric Company | Nickel-Based Superalloys and Articles |
US8511991B2 (en) * | 2009-12-07 | 2013-08-20 | General Electric Company | Composite turbine blade and method of manufacture thereof |
JP5522802B2 (ja) * | 2011-05-23 | 2014-06-18 | 株式会社日立製作所 | タービンロータ等の大型溶接構造物の異材溶接部材及びタービンロータ |
DE102011113157A1 (de) * | 2011-06-22 | 2012-12-27 | Doncasters Precision Castings-Bochum Gmbh | Verfahren und Vorrichtung zur Behandlung eines gerichtet erstarrten oder einkristallinen Gussteils |
US9249675B2 (en) | 2011-08-30 | 2016-02-02 | General Electric Company | Pin-fin array |
US9297277B2 (en) | 2011-09-30 | 2016-03-29 | General Electric Company | Power plant |
EP2597167B1 (de) * | 2011-11-24 | 2014-04-23 | Siemens Aktiengesellschaft | DS-Superlegierung und Bauteil |
CN102653832B (zh) * | 2012-04-19 | 2014-04-09 | 中国航空工业集团公司北京航空材料研究院 | 一种新型定向镍基高温合金 |
JP6016016B2 (ja) | 2012-08-09 | 2016-10-26 | 国立研究開発法人物質・材料研究機構 | Ni基単結晶超合金 |
JP2014047371A (ja) * | 2012-08-30 | 2014-03-17 | Hitachi Ltd | Ni基合金と、それを用いたガスタービン動翼兼ガスタービン |
US10082032B2 (en) | 2012-11-06 | 2018-09-25 | Howmet Corporation | Casting method, apparatus, and product |
DE102012222745A1 (de) * | 2012-12-11 | 2014-06-12 | MTU Aero Engines AG | Einkristalline Turbinenschaufel aus Titanaluminid |
SG11201600235TA (en) * | 2013-07-31 | 2016-02-26 | United Technologies Corp | Castings and manufacture methods |
CN105296832B (zh) * | 2014-06-05 | 2017-08-25 | 中国航发商用航空发动机有限责任公司 | 一种高强铌硅单晶合金 |
US20160184888A1 (en) * | 2014-09-05 | 2016-06-30 | General Electric Company | Nickel based superalloy article and method for forming an article |
JP6682762B2 (ja) | 2015-02-03 | 2020-04-15 | 株式会社Ihi | Ni合金鋳造品の製造方法 |
CN104858399B (zh) * | 2015-04-17 | 2016-04-20 | 北京航空航天大学 | 一种由两种合金复合成的功能梯度单晶叶片材料及其制备方法和实现设备 |
ITUB20154905A1 (it) * | 2015-10-20 | 2017-04-20 | Nuovo Pignone Tecnologie Srl | Metodo di produzione di pale di turbina |
US9855599B2 (en) | 2015-11-15 | 2018-01-02 | General Electric Company | Casting methods and articles |
CN106435281B (zh) * | 2016-11-11 | 2018-10-30 | 太原钢铁(集团)有限公司 | 高持久强度镍基合金及其制备方法 |
US10533240B2 (en) | 2016-12-23 | 2020-01-14 | Caterpillar Inc. | High temperature alloy for casting engine valves |
JP2020509230A (ja) * | 2017-02-08 | 2020-03-26 | ボーグワーナー インコーポレーテッド | ターボチャージャー部品用の新規な合金 |
JP6842316B2 (ja) | 2017-02-17 | 2021-03-17 | 日本製鋼所M&E株式会社 | Ni基合金、ガスタービン材およびクリープ特性に優れたNi基合金の製造方法 |
WO2018183066A1 (en) * | 2017-03-31 | 2018-10-04 | Siemens Aktiengesellschaft | High-temperature nickel-based alloys |
US11123790B2 (en) | 2017-10-16 | 2021-09-21 | General Electric Company | Apparatus for casting a mold |
US11123791B2 (en) | 2017-10-16 | 2021-09-21 | General Electric Company | Method for casting a mold |
FR3073526B1 (fr) | 2017-11-14 | 2022-04-29 | Safran | Superalliage a base de nickel, aube monocristalline et turbomachine |
EP3575424A1 (de) * | 2018-06-01 | 2019-12-04 | Siemens Aktiengesellschaft | Verbesserungen im zusammenhang mit superlegierungskomponenten |
CN110640151A (zh) * | 2018-06-26 | 2020-01-03 | 中南大学 | 一种镍基合金、其制备方法与一种制造物品 |
CN109554581A (zh) * | 2018-06-26 | 2019-04-02 | 中南大学 | 一种镍基合金、其制备方法与制造物品 |
CN109554580B (zh) * | 2018-06-26 | 2020-10-16 | 中南大学 | 一种镍基合金、其制备方法与制造物品 |
CN110640152A (zh) * | 2018-06-26 | 2020-01-03 | 中南大学 | 一种镍基合金、其制备方法与一种制造物品 |
CN109554583A (zh) * | 2018-08-28 | 2019-04-02 | 中南大学 | 一种镍基合金、其制备方法与制造物品 |
CN109554582A (zh) * | 2018-08-28 | 2019-04-02 | 中南大学 | 一种镍基合金、其制备方法与制造物品 |
CN111590056B (zh) * | 2020-05-22 | 2022-05-10 | 东方电气集团东方汽轮机有限公司 | 一种高温合金定向凝固的浇注结构和浇注方法 |
US11739398B2 (en) * | 2021-02-11 | 2023-08-29 | General Electric Company | Nickel-based superalloy |
EP4212639A1 (de) * | 2022-01-18 | 2023-07-19 | Garrett Transportation I Inc. | Nickelbasierte legierung und turbinenrad damit |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3844728A (en) * | 1968-03-20 | 1974-10-29 | United Aircraft Corp | Gas contacting element leading edge and trailing edge insert |
US3568757A (en) * | 1968-07-22 | 1971-03-09 | United Aircraft Corp | Mold for producing single crystals |
JPS514186A (en) * | 1974-12-20 | 1976-01-14 | Nippon Soda Co | 2*33 jihidoro 4hh1*33 benzookisajinkeikagobutsuno seizohoho |
US4033792A (en) * | 1974-12-23 | 1977-07-05 | United Technologies Corporation | Composite single crystal article |
US4184900A (en) * | 1975-05-14 | 1980-01-22 | United Technologies Corporation | Control of microstructure in cast eutectic articles |
FR2374427A1 (fr) * | 1976-12-16 | 1978-07-13 | Gen Electric | Alliage a base de nickel perfectionne et piece coulee obtenue a partir de cet alliage |
US4190094A (en) * | 1978-10-25 | 1980-02-26 | United Technologies Corporation | Rate controlled directional solidification method |
EP0045563B1 (de) * | 1980-07-25 | 1984-12-05 | The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and | Legierung auf Nickel-Basis für einkristalline Gusskörper |
IL65013A (en) * | 1981-02-27 | 1986-08-31 | Trw Inc | Method of reducing casting time |
US4609029A (en) * | 1981-02-27 | 1986-09-02 | Trw Inc. | Method of reducing casting time |
US4540038A (en) * | 1984-06-05 | 1985-09-10 | Westinghouse Electric Corp. | Method for production of combustion turbine blade having a hybrid structure |
US4637448A (en) * | 1984-08-27 | 1987-01-20 | Westinghouse Electric Corp. | Method for production of combustion turbine blade having a single crystal portion |
CN1005096B (zh) * | 1985-08-27 | 1989-09-06 | 西屋电气公司 | 具有部分单晶体的燃气透平叶片的制造方法 |
GB2234521B (en) * | 1986-03-27 | 1991-05-01 | Gen Electric | Nickel-base superalloys for producing single crystal articles having improved tolerance to low angle grain boundaries |
US5069873A (en) * | 1989-08-14 | 1991-12-03 | Cannon-Muskegon Corporation | Low carbon directional solidification alloy |
JP2729531B2 (ja) * | 1990-09-14 | 1998-03-18 | 株式会社日立製作所 | ガスタービンブレード及びその製造方法並びにガスタービン |
EP0490527A1 (de) * | 1990-12-14 | 1992-06-17 | General Electric Company | Superlegierungen auf Nickelbasis und aus denen hergestellte Bauteile |
-
1994
- 1994-07-26 EP EP94111625A patent/EP0637476B1/de not_active Expired - Lifetime
- 1994-07-26 DE DE69423061T patent/DE69423061T2/de not_active Expired - Fee Related
- 1994-07-27 US US08/280,992 patent/US5611670A/en not_active Expired - Lifetime
- 1994-08-05 CN CN94109526A patent/CN1061123C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1123874A (zh) | 1996-06-05 |
DE69423061T2 (de) | 2000-10-12 |
EP0637476B1 (de) | 2000-02-23 |
CN1061123C (zh) | 2001-01-24 |
EP0637476A1 (de) | 1995-02-08 |
US5611670A (en) | 1997-03-18 |
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