JP4468082B2 - ガスタービン部品の材料劣化・損傷回復処理方法及びガスタービン部品 - Google Patents
ガスタービン部品の材料劣化・損傷回復処理方法及びガスタービン部品 Download PDFInfo
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- 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
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- 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
- C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
-
- 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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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
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- 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
- F01D5/286—Particular treatment of blades, e.g. to increase durability or resistance against corrosion or erosion
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/80—Repairing, retrofitting or upgrading methods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/90—Coating; Surface treatment
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- 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
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- 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
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- Y10T29/00—Metal working
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- Y10T29/49316—Impeller making
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- Organic Chemistry (AREA)
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Description
図1は、本発明による再生処理のフローチャー卜を示している。この図1に示すように、本実例では、まず処理対象となるガスタービン部品について目視等による回復前検査工程(S101)を行い、次に高圧下に昇圧後、熱処理を施す回復熱処理工程(S102)を行う。次いで、減圧下または不活性雰囲気中で熱処理を施す溶体化熱処理工程(S103)及び同じ環境での時効熱処理工程(S104)を行い、その後、回復後検査工程(S105)を行う。
本実施形態では、HIP処理後の冷却速度の影響を最終段階で受けないようにするための検討結果について説明する。
本実施形態では、クリープ試験の途中止め材にHIP処理及び溶体化時効熱処理を施した時のγ相マトリックスの結晶粒の観察結果について説明する。
本実施形態では、60000時間実機運転に供した動翼のHIP処理及び通常の減圧炉における熱処理を施した翼の変形計測結果について説明する。
S102 回復熱処理工程
S103 溶体化熱処理工程
S104 時効熱処理工程
S105 回復後検査工程
S106 溶解温度
7 γ´相固溶温度
8 局部溶融開始温度
9 HIP処理の温度履歴
10 HIP処理の圧力履歴
11 新材
12 クリープ劣化材
13 1205℃溶体化処理+時効材
14 通常の溶体化時効材
15 昇温先行のHIP処理材
16 昇圧先行のHIP処理材
17 通常のHIP処理
18 通常のHIP処理後の同炉による冷却速度(炉冷)
19 通常のHIP処理後の溶体化熱処理
20 γ´相の固溶温度
21 通常のHIP処理後の時効熱処理
22 新翼
23 廃却翼
24 HIP再生化処理翼
25 HIP再生化処理翼
26 HIP再生化処理翼
27 HIP再生化処理翼
28 立方状の新材のγ´相
29 新材の球状の微細γ´相
30 γ相マトリックス
31 粗大化したγ´相
32 HIP処理+溶体化時効熱処理後のγ´相
33 クリープ寿命とγ´相の相関曲線
34 新材のクリープ寿命
35 新材料の結晶粒界
36 クリープ試験中断材料の結晶粒界
37 クリープ試験中断材料の結晶粒界
38 HIP処理前後の翼先端部の3次元変形計測結果
39 処理前後の翼先端部の3次元変形計測結果
40 実機運転に供した動翼の処理前の翼先端部の3次元変形計測結果
41 実機運転に供した動翼のHIP処理後の翼先端部の3次元変形計測結果
42 実機運転に供した動翼のHIP処理前の翼先端部の3次元変形計測結果
43 実機運転に供した動翼のHIP処理後の翼先端部の3次元変形計測結果
Claims (11)
- 析出強化型の合金により構成され、高温下の使用により析出物の析出形態もしくは相の変化による材料の劣化、またはクリープもしくは疲労による損傷が生じたガスタービン部品の回復処理方法であって、前記部品に高圧下で熱処理を施す回復熱処理工程と、減圧下または不活性ガス雰囲気下で溶体化熱処理及び時効熱処理を施す熱処理工程とを備え、前記回復熱処理工程において、加圧下で昇降温を含めた熱処理を行うことにより、局部的な溶解の発生を抑えつつ、析出相の固溶もしくは再析出、またはクリープ、疲労に起因する損傷の回復処理を施し、前記回復熱処理工程で前記ガスタービン部品の局部的な溶解の発生を抑える高圧レベルまでの昇圧を、前記部品におけるγ´相の固溶または局部溶融開始温度以上への昇温よりも先行させ、前記高圧が保持されてから前記γ´相の固溶または局部溶融開始温度以上への昇温を開始することを特徴とするガスタービン部品の材料劣化・損傷回復処理方法。
- 請求項1記載の方法において、前記回復熱処理工程で前記ガスタービン部品の局部的な溶解の発生を抑える高圧レベルからの降圧を、前記部品におけるγ´相の固溶または局部溶融開始温度以下に降温した後に開始するガスタービン部品の材料劣化・損傷回復処理方法。
- 請求項1または2記載の方法において、処理対象となる高温部品を構成する析出強化型合金はNi基合金であり、γ′相が主強化析出相であるガスタービン部品の材料劣化・損傷回復処理方法。
- 請求項1から3までのいずれかに記載の方法において、処理対象となる高温部品を構成する析出強化型合金はNi基の鋳造合金であり、且つ鋳造後に、主強化析出相であるγ′相がその母材であるγ相に固溶する固溶温度よりも低い温度を最高温度として熱処理が施されたものであるガスタービン部品の材料劣化・損傷回復処理方法。
- 請求項1から4までのいずれかに記載の方法において、処理対象となる高温部品を構成する析出強化型合金はNi基の鋳造合金であり、且つ鋳造後に、主強化析出相であるγ′相をその母材であるγ相に部分的に固溶させる熱処理を施したものであるガスタービン部品の材料劣化・損傷回復処理方法。
- 回復処理が施された前記合金の高温部品を実機運転に供することにより、その主強化相であるγ′相の形態が前記部品中の高温部位で0.8〜1.5μmに粗大化し、且つ丸みを帯びて球状または扁平状に変化して管理寿命に達したと判断された場合に、請求項4または5に記載の方法により、前記部品の組織を、平均粒径が0.3〜0.7μmで格子状に整列した立方状のγ′相と、その隙間に分散する粒径が0.1μm以下の微細な球状のγ′相とを有する組織とし、新材と同等の組織を有するものとするガスタービン部品の材料劣化・損傷回復処理方法。
- 請求項1から6までのいずれかに記載の方法において、処理対象となる高温部品は少なくともB,Ζr,Hf,Cのいずれかの元素を含み、回復熱処理工程では、前記元素の拡散を低温度でも生じ易くするために加圧することを特徴とするガスタービン部品の材料劣化・損傷回復処理方法。
- 請求項1から7までの記載の方法において、処理対象となる部品に設定された管理寿命内または実機部品の寿命診断にて見直された管理寿命のタイミングで処理することを特徴とするガスタービン部品の材料劣化・損傷回復処理方法。
- 請求項1から8までに記載の方法において、処理すべき適用時期は、前記部品の局所におけるクリープ歪が2%以内である時期とするガスタービン部品の材料劣化・損傷回復処理方法。
- 請求項1から9までのいずれかに記載の方法により処理され、再度新翼と同様の管理法にて運転に供されるガスタービン部品。
- 請求項1から9までのいずれかに記載の方法により処理されたガスタービン動翼、ガスタービン静翼、ガスタービン燃焼器ライナまたはトランジションピース。
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JP2004174358A JP4468082B2 (ja) | 2004-06-11 | 2004-06-11 | ガスタービン部品の材料劣化・損傷回復処理方法及びガスタービン部品 |
EP05011190.5A EP1605074B2 (en) | 2004-06-11 | 2005-05-24 | Thermal recovery treatment for a service-degraded component of a gas turbine |
DE602005026346T DE602005026346D1 (de) | 2004-06-11 | 2005-05-24 | Thermisches Wiederherstellungsverfahren eines abgenutzten Bauteils einer Gasturbine |
US11/149,231 US7632363B2 (en) | 2004-06-11 | 2005-06-10 | Method for refurbishing a service-degraded component of a gas turbine |
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US (1) | US7632363B2 (ja) |
EP (1) | EP1605074B2 (ja) |
JP (1) | JP4468082B2 (ja) |
DE (1) | DE602005026346D1 (ja) |
Families Citing this family (24)
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US7854064B2 (en) * | 2006-06-05 | 2010-12-21 | United Technologies Corporation | Enhanced weldability for high strength cast and wrought nickel superalloys |
DE102006034055A1 (de) * | 2006-07-20 | 2008-01-24 | Mtu Aero Engines Gmbh | Verfahren zur Reparatur eines Leitschaufelsegments für ein Strahltriebwerk |
US7740724B2 (en) * | 2006-10-18 | 2010-06-22 | United Technologies Corporation | Method for preventing formation of cellular gamma prime in cast nickel superalloys |
KR100757258B1 (ko) * | 2006-10-31 | 2007-09-10 | 한국전력공사 | 고온등압압축-열처리 일괄공정에 의한 가스터빈용 니켈계초합금 부품의 제조방법 및 그 부품 |
EP1967312A1 (de) * | 2007-03-06 | 2008-09-10 | Siemens Aktiengesellschaft | Verfahren zur Lötreparatur eines Bauteils unter Vakuum und einem eingestellten Sauerstoffpartialdruck |
US7493809B1 (en) * | 2007-10-04 | 2009-02-24 | General Electric Company | Method and system for measuring deformation in turbine blades |
JP5104797B2 (ja) | 2009-03-31 | 2012-12-19 | 株式会社日立製作所 | Ni基合金の熱処理方法と、Ni基合金部材の再生方法 |
US8608877B2 (en) | 2010-07-27 | 2013-12-17 | General Electric Company | Nickel alloy and articles |
RU2459885C1 (ru) * | 2011-07-15 | 2012-08-27 | Общество с ограниченной ответственностью "Производственное предприятие Турбинаспецсервис" | Способ восстановительной термической обработки изделий из жаропрочных никелевых сплавов |
JP5956205B2 (ja) * | 2012-03-15 | 2016-07-27 | 日立金属Mmcスーパーアロイ株式会社 | Ni基合金の製造方法 |
CN102785062A (zh) * | 2012-08-22 | 2012-11-21 | 南京德邦金属装备工程股份有限公司 | 一种钛合金板膨胀节制作方法 |
CN103849744B (zh) * | 2012-11-30 | 2015-09-09 | 宜兴北海封头有限公司 | 一种封头热处理固定工装 |
EP2876172A1 (de) * | 2013-11-26 | 2015-05-27 | MTU Aero Engines GmbH | Verfahren zur Herstellung und Reparatur von Bauteilen einer Strömungsmaschine aus Nickelbasis-Superlegierungen |
US11072044B2 (en) * | 2014-04-14 | 2021-07-27 | Siemens Energy, Inc. | Superalloy component braze repair with isostatic solution treatment |
CN105717118B (zh) * | 2016-03-14 | 2018-05-11 | 西北工业大学 | 一种确定镍基单晶高温合金残余偏析的方法 |
JP6754682B2 (ja) * | 2016-11-28 | 2020-09-16 | 三菱日立パワーシステムズ株式会社 | ニッケル基合金再生部材の製造方法 |
CN106929652B (zh) * | 2017-02-15 | 2018-07-24 | 贵州大学 | 一种gh4169对接螺栓第二相弥散析出热处理方法 |
CN110662619B (zh) * | 2017-05-26 | 2021-12-21 | 西门子能源美国公司 | 涡轮机发动机部件的钎焊修复 |
US10718042B2 (en) | 2017-06-28 | 2020-07-21 | United Technologies Corporation | Method for heat treating components |
JP2019112702A (ja) * | 2017-12-26 | 2019-07-11 | 三菱日立パワーシステムズ株式会社 | ニッケル基合金再生部材および該再生部材の製造方法 |
US11725516B2 (en) * | 2019-10-18 | 2023-08-15 | Raytheon Technologies Corporation | Method of servicing a gas turbine engine or components |
FR3117506B1 (fr) * | 2020-12-16 | 2024-02-16 | Safran Aircraft Engines | Procede de fabrication d'une piece en superalliage monocristallin |
CN113151761A (zh) * | 2021-01-27 | 2021-07-23 | 中国航发北京航空材料研究院 | 一种合金蠕变损伤的修复方法 |
CN113699347B (zh) * | 2021-09-10 | 2022-06-07 | 北京航空航天大学 | 一种服役后涡轮叶片修复过程中的抗再结晶方法 |
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GB2098119B (en) * | 1981-05-11 | 1985-09-04 | Chromalloy American Corp | Method of improving mechanical properties of alloy parts |
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US5077004A (en) * | 1986-05-07 | 1991-12-31 | Allied-Signal Inc. | Single crystal nickel-base superalloy for turbine components |
US4975124A (en) † | 1989-02-06 | 1990-12-04 | United Technologies Corporation | Process for densifying castings |
JP2940064B2 (ja) | 1990-04-24 | 1999-08-25 | 神鋼電機株式会社 | 誘導加熱用インバータ電源 |
JP3559709B2 (ja) * | 1998-05-26 | 2004-09-02 | 株式会社東芝 | ガスタービン部品の材料劣化回復処理方法及び本処理を施したガスタービン部品 |
JP2000080455A (ja) | 1998-09-03 | 2000-03-21 | Hitachi Ltd | ガスタービン動翼及びその再生熱処理法 |
JP3538106B2 (ja) * | 2000-03-02 | 2004-06-14 | 株式会社東芝 | ガスタービン部品の再生処理方法 |
US20030041930A1 (en) † | 2001-08-30 | 2003-03-06 | Deluca Daniel P. | Modified advanced high strength single crystal superalloy composition |
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2004
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2005
- 2005-05-24 DE DE602005026346T patent/DE602005026346D1/de active Active
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US7632363B2 (en) | 2009-12-15 |
EP1605074B1 (en) | 2011-02-16 |
US20060016527A1 (en) | 2006-01-26 |
DE602005026346D1 (de) | 2011-03-31 |
EP1605074B2 (en) | 2017-01-18 |
EP1605074A1 (en) | 2005-12-14 |
JP2005350744A (ja) | 2005-12-22 |
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