JP6642780B1 - 析出強化型鋳造合品の溶接補修方法 - Google Patents
析出強化型鋳造合品の溶接補修方法 Download PDFInfo
- Publication number
- JP6642780B1 JP6642780B1 JP2019549496A JP2019549496A JP6642780B1 JP 6642780 B1 JP6642780 B1 JP 6642780B1 JP 2019549496 A JP2019549496 A JP 2019549496A JP 2019549496 A JP2019549496 A JP 2019549496A JP 6642780 B1 JP6642780 B1 JP 6642780B1
- Authority
- JP
- Japan
- Prior art keywords
- welding
- layer
- cast product
- forming step
- precipitation
- 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.)
- Active
Links
Classifications
-
- 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
- B23K28/00—Welding or cutting not covered by any of the preceding groups, e.g. electrolytic welding
- B23K28/02—Combined welding or cutting procedures or apparatus
-
- 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
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/044—Built-up welding on three-dimensional surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/04—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
-
- 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
- B23K26/0006—Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
-
- 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
- B23K26/34—Laser welding for purposes other than joining
-
- 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
- B23K26/34—Laser welding for purposes other than joining
- B23K26/342—Build-up welding
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3033—Ni as the principal constituent
-
- 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
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
-
- 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
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
- B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
- B23P6/007—Repairing turbine components, e.g. moving or stationary blades, rotors using only additive methods, e.g. build-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
- B22F2007/068—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts repairing articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- 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
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
- B23K2103/26—Alloys of Nickel and Cobalt and Chromium
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Materials Engineering (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Composite Materials (AREA)
- Arc Welding In General (AREA)
- Laser Beam Processing (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
このように、本発明の鋳造品の溶接補修方法によれば、溶接材料の選択と、熱供給の態様とを適切に組み合わせることで、析出強化型鋳造合品を確実かつ効率的に補修することができる。
このように、本発明の鋳造品の溶接補修方法によれば、溶接材料の選択と、熱供給の態様とを適切に組み合わせることで、鋳造品を確実かつ効率的に補修することができる。
このように、本発明の鋳造品の溶接補修方法によれば、溶接材料の選択と、熱供給の態様が異なる溶接方法とを適切に組み合わせることで、析出強化型鋳造合品を確実かつ効率的に補修することができる。
まず、図1は、火力発電所等に設けられるガスタービンの構成部品の一例を示した図である。ガスタービン10は、例えば、複数の、ニッケル−コバルト系の耐熱合金で構成される。具体的には、ガスタービン10は、燃焼器副室22及び燃焼器主室24を備え、燃料を圧縮空気と混合して燃焼させる燃焼器20と、燃焼器20で発生した燃焼ガスや水蒸気等が流通する尾筒30(トランジションピース)と、尾筒30から流入した燃焼ガス等の熱エネルギーを回転エネルギーに変換するタービン室40とを備えて構成される。タービン室40には、燃焼ガス等を整流する静翼42と、燃焼ガス等を圧縮し回転エネルギーに変換する動翼44とが、交互に複数配置される。なお、これらの各構成部品は、本実施形態では、金属材料に対して主に時効熱処理等による析出強化を行った析出強化型鋳造合品であるものとする。
図3は、第1実施形態における析出強化型鋳造合品の溶接補修方法の手順の一例を示す図である。まず、動翼44の先端部48に生じた損傷部(欠損部)に対してマイクロティグ(Micro Tungsten Inert Gas)溶接を行うことにより第1溶接層(肉盛層)を形成する、第1溶接層形成工程を実施する(s11)。
このように、本実施形態の析出強化型鋳造合品の溶接補修方法によれば、溶接材料の選択と、熱供給の態様とを適切に組み合わせることで、析出強化型鋳造合品を確実かつ効率的に補修することができる。
図6は、第2実施形態における析出強化型鋳造合品の溶接補修方法の手順の一例を示す図である。まず、第1溶接層54を形成する第1溶接層形成工程は、第1実施形態のs11と同様である。
このように、本実施形態の析出強化型鋳造合品の溶接補修方法によれば、溶接材料の選択と、熱供給の態様とを適切に組み合わせることで、鋳造品を確実かつ効率的に補修することができる。
図8は、第3実施形態における析出強化型鋳造合品の溶接補修方法の手順の一例を示す図である。本実施形態では、第1実施形態と異なり、第1溶接層54及び第2溶接層58の双方に対してレーザー溶接を用いる(s21、s23)。
このように、本発明の析出強化型鋳造合品の溶接補修方法によれば、溶接材料の選択と、熱供給の態様が異なる溶接方法とを適切に組み合わせることで、析出強化型鋳造合品を確実かつ効率的に補修することができる。
Claims (6)
- 析出強化型鋳造合品の損傷部を補修する方法であって、
前記鋳造合品よりも靱性が高い固溶強化型溶接材料を用い、マイクロティグ溶接により前記損傷部の表面に第1溶接層を形成する第1溶接層形成工程と、
二重複相ナノ組織金属間化合物を溶接材料として用い、前記マイクロティグ溶接より熱供給速度の速いレーザー溶接により肉盛することで前記第1溶接層の上に第2溶接層を形成する第2溶接層形成工程と
を有する、析出強化型鋳造合品の溶接補修方法。 - 析出強化型鋳造合品の損傷部を補修する方法であって、
前記鋳造合品よりも靱性が高い固溶強化型溶接材料を用い、マイクロティグ溶接により前記損傷部の表面に第1溶接層を形成する第1溶接層形成工程と、
前記第1溶接層形成工程と同じ溶接材料を用い、前記マイクロティグ溶接より熱供給速度の速いレーザー溶接により前記第1溶接層の上に第2溶接層を形成する第2溶接層形成工程と、
二重複相ナノ組織金属間化合物を溶接材料として用い、前記マイクロティグ溶接より熱供給速度の速いレーザー溶接により肉盛することで前記第2溶接層の上に第3溶接層を形成する第3溶接層形成工程と
を有する、析出強化型鋳造合品の溶接補修方法。 - 析出強化型鋳造合品の損傷部を補修する方法であって、
前記鋳造合品よりも靱性が高い固溶強化型溶接材料を用い、レーザー溶接により前記損傷部の表面に第1溶接層を形成する第1溶接層形成工程と、
二重複相ナノ組織金属間化合物を溶接材料として用い、前記レーザー溶接より熱供給速度の速いレーザー溶接により肉盛することで前記第1溶接層の上に第2溶接層を形成する第2溶接層形成工程と
を有する、析出強化型鋳造合品の溶接補修方法。 - 前記第1溶接層形成工程における、マイクロティグ溶接電流を50A以下とする、請求項1又は2に記載の析出強化型鋳造合品の溶接補修方法。
- 前記第1溶接層の厚みを、1mm以上、溶接層の合計厚みの1/3以下とする、請求項1乃至3のいずれか一項に記載の析出強化型鋳造合品の溶接補修方法。
- 前記第1溶接層形成工程においては、前記損傷部の露出面を覆うように前記第1溶接層を形成する、請求項1乃至3のいずれか一項に記載の析出強化型鋳造合品の溶接補修方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2019/007007 WO2020174523A1 (ja) | 2019-02-25 | 2019-02-25 | 析出強化型鋳造合品の溶接補修方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6642780B1 true JP6642780B1 (ja) | 2020-02-12 |
JPWO2020174523A1 JPWO2020174523A1 (ja) | 2021-03-11 |
Family
ID=69412092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019549496A Active JP6642780B1 (ja) | 2019-02-25 | 2019-02-25 | 析出強化型鋳造合品の溶接補修方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220143759A1 (ja) |
EP (1) | EP3932602A4 (ja) |
JP (1) | JP6642780B1 (ja) |
WO (1) | WO2020174523A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113458605A (zh) * | 2021-07-12 | 2021-10-01 | 南京航空航天大学 | 一种基于激光-mig复合增材修复的装置与方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6364971B1 (en) * | 2000-01-20 | 2002-04-02 | Electric Power Research Institute | Apparatus and method of repairing turbine blades |
US8197618B2 (en) | 2006-01-30 | 2012-06-12 | Osaka Prefecture University Public Corporation | Ni3A1-based intermetallic compound including V and Nb, and having dual multi-phase microstructure, production method thereof, and heat resistant structural material |
US8561298B2 (en) * | 2007-03-01 | 2013-10-22 | Siemens Energy, Inc. | Superalloy component welding at ambient temperature |
JP4417977B2 (ja) * | 2007-04-25 | 2010-02-17 | 株式会社日立製作所 | ガスタービン翼およびその製造方法 |
JP5162492B2 (ja) | 2008-02-15 | 2013-03-13 | 公立大学法人大阪府立大学 | 高い硬度を有するNi基金属間化合物合金 |
CN102481667A (zh) * | 2009-09-10 | 2012-05-30 | 住友化学株式会社 | 修复凹坑的方法和修复金属构件的方法 |
JP2011136344A (ja) * | 2009-12-25 | 2011-07-14 | Mitsubishi Heavy Ind Ltd | ガスタービン部材の補修方法及びガスタービン部材 |
JP2013068085A (ja) | 2011-09-20 | 2013-04-18 | Toshiba Corp | スキーラ付きガスタービン動翼の補修方法 |
WO2014009485A1 (en) * | 2012-07-12 | 2014-01-16 | Alstom Technology Ltd | Method for repairing a single crystal turbine blade |
KR101677317B1 (ko) * | 2013-07-03 | 2016-11-17 | 주식회사 포스코 | 철손저감 및 강도향상을 위한 전기강판 적층코어의 제조방법 및 이에 의해 제조된 적층코어 |
JP2017190688A (ja) * | 2016-04-12 | 2017-10-19 | 株式会社東芝 | タービン部材、軸流タービン、およびタービン部材の製造方法 |
US11135677B2 (en) * | 2018-03-06 | 2021-10-05 | General Electric Company | Laser welding of component |
-
2019
- 2019-02-25 US US17/433,498 patent/US20220143759A1/en not_active Abandoned
- 2019-02-25 JP JP2019549496A patent/JP6642780B1/ja active Active
- 2019-02-25 WO PCT/JP2019/007007 patent/WO2020174523A1/ja unknown
- 2019-02-25 EP EP19917077.0A patent/EP3932602A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2020174523A1 (ja) | 2020-09-03 |
EP3932602A4 (en) | 2022-05-11 |
US20220143759A1 (en) | 2022-05-12 |
JPWO2020174523A1 (ja) | 2021-03-11 |
EP3932602A1 (en) | 2022-01-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Henderson et al. | Nickel based superalloy welding practices for industrial gas turbine applications | |
RU2635688C2 (ru) | Способ ремонта и изготовления компонентов газотурбинного двигателя и компоненты газотурбинного двигателя, отремонтированные или изготовленные с его использованием | |
CN104923956A (zh) | 用于镍基超合金的焊接填料 | |
JP2006291344A (ja) | Ni基合金部材とその製造法及びタービンエンジン部品並びに溶接材料とその製造法 | |
CN104607742A (zh) | 涡轮转子叶片修复方法 | |
JP2011062749A (ja) | タービンエンジン部品を形成する超合金組成物及び方法 | |
US20130323533A1 (en) | Repaired superalloy components and methods for repairing superalloy components | |
EP2537621B1 (en) | method for manufacturing an Ni-based alloy member and method for repairing the same | |
US6468367B1 (en) | Superalloy weld composition and repaired turbine engine component | |
JP2020070487A (ja) | 高ガンマプライムニッケル基超合金、その使用、及びタービンエンジン構成要素を作製する方法 | |
JP2011136344A (ja) | ガスタービン部材の補修方法及びガスタービン部材 | |
JP2011256795A (ja) | ガスタービン翼の補修方法及びガスタービン翼 | |
JP2011064077A (ja) | ガスタービン部品およびその補修方法 | |
JP6642780B1 (ja) | 析出強化型鋳造合品の溶接補修方法 | |
US11708770B2 (en) | Turbine casing component and repair method therefor | |
JP2015096709A (ja) | 耐熱合金部材およびこれを用いたガスタービン | |
Sjöberg et al. | Evaluation of the in 939 alloy for large aircraft engine structures | |
JP6573061B1 (ja) | 析出強化型鋳造合品の溶接補修方法 | |
JP2013148061A (ja) | スキーラ付きガスタービン動翼の補修方法 | |
Rahmani et al. | Influence of welding on low cycle fatigue properties of Co-based superalloy FSX-414 | |
Miglietti et al. | Repair process technology development and experience of frame 7FA+ E, stage 1 turbine buckets | |
US11517969B2 (en) | Weld-brazing techniques | |
Miglietti | BSC17. 1 Wide Gap Diffusion Braze Repairs of Nozzle Segments Cast from FSX-414 Co-Based Superalloy | |
Miglietti | High strength, ductile wide gap braze joints for stationary turbine component repairs | |
JPWO2020214514A5 (ja) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190910 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20190910 |
|
A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20191028 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20191203 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20191216 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6642780 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |