JP4773457B2 - 埋め込まれた通路を有する部材、特にターボ機械の熱ガスコンポーネント - Google Patents
埋め込まれた通路を有する部材、特にターボ機械の熱ガスコンポーネント Download PDFInfo
- Publication number
- JP4773457B2 JP4773457B2 JP2007547494A JP2007547494A JP4773457B2 JP 4773457 B2 JP4773457 B2 JP 4773457B2 JP 2007547494 A JP2007547494 A JP 2007547494A JP 2007547494 A JP2007547494 A JP 2007547494A JP 4773457 B2 JP4773457 B2 JP 4773457B2
- Authority
- JP
- Japan
- Prior art keywords
- coating
- substrate
- coating material
- cooling
- passage
- 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
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Classifications
-
- 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
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/02—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from one piece
-
- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/04—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from several pieces
-
- 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
- C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
- C30B13/16—Heating of the molten zone
- C30B13/22—Heating of the molten zone by irradiation or electric discharge
- C30B13/24—Heating of the molten zone by irradiation or electric discharge using electromagnetic waves
-
- 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
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
タービンの性能を上げるために、可能な限り高いタービン流入温度が望まれている。しかしながら、高いタービン流入温度は、部材1が充分に保護されていない場合、熱ガスが当たる部材の寿命を損なう。部材1を熱ガスの高い温度から保護するために、原理的に2つの異なる方法が講じられる。一方では、熱ガスと直接接触する部材1の温度耐性をたとえばニッケル基合金及び/又は熱保護層の使用による好適な材料選択によって肯定的な影響を及ぼすことが試行され、かつ他方で部材1が能動的に冷却される。
2 熱ガスが当る領域
3 ブレード
4 ブレードベース
5 外壁
6 表面
7、7’ 通路/凹所
8 基体
9 被覆
10 温度/熱保護層
11 連結通路
12 通路縦軸
Claims (9)
- 少なくとも1つの通路状の凹所(7、7’)が部材(1)の基体(8)の中に取り込まれ、かつ前記通路状の凹所(7、7’)がそれに続き基体(8)への被覆材料(9)の塗布により覆われる、部材(1)の外壁(5)の中に埋め込まれた少なくとも1つの通路 (7、7’)を有するターボ機械の熱ガスコンポーネント(1)の製造方法において、
基体(8)が少なくとも凹所(7、7’)の両側で、少なくとも凹所(7、7’)の領域で被覆材料(9)の同時の塗布及び溶融下に局所的に表面的に溶融され、溶融された被覆材料(9)がその表面張力によって凹所(7、7’)の中に侵入しないように被覆材料(9)、プロセス温度及び凹所(7、7’)の幅が互いに調整され、かつ被覆材料(9)がエピタキシャルに基体(8)上に構成されるように溶融された被覆材料(9)の制御された冷却及び固化が実施され、その結果、凹所の両側で基体(8)との冶金学的結合が達成されることを特徴とする方法。 - 基体(8)の同時の溶融及び被覆材料(9)の塗布が、プラズマスプレー法及び/又は電子ビーム蒸着法及び/又はレーザ法、又は、エピタキシャル−レーザ金属成形法を利用して実施されることを特徴とする請求項1に記載の方法。
- 被覆材料は、粉末又は線の形態で供給されることを特徴とする請求項2に記載の方法。
- 基体の中への凹所(7、7’)の取り込みが、焼流し精密鋳造法及び/又は機械的及び/又は電気化学的及び/又は光化学的及び/又はレーザを利用して実施されることを特徴とする請求項1に記載の方法。
- − 被覆材料(9)の固化の第1相がγタイプであり、及び/又は
− 被覆材料(9)内で単結晶構造から等軸構造への移行が回避され、及び/又は
− 被覆材料(9)内で新規の芽晶の形成が回避されることを特徴とする請求項1に記載の方法。 - 被覆(9)の表面が、後処理ステップでレーザを利用した溶融により平滑化されることを特徴とする請求項1に記載の方法。
- 基体(8)は、被覆(9)の固化及び/又は冷却によって発生する応力を低減するために、被覆の前及び/又はその最中に加熱されることを特徴とする請求項1に記載の方法。
- 被覆(9)は、単結晶構造を与えられ及び/又はエピタキシャルに基体(8)に結合されるように該被覆が塗布又は後処理されることを特徴とする請求項1に記載の方法。
- 基体(8)の単結晶構造が、再生され、及び/又は被覆(9)の多結晶構造が単結晶構造に変換されるように付加的な溶融過程が実施されることを特徴とする請求項1に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH21472004 | 2004-12-24 | ||
CH02147/04 | 2004-12-24 | ||
PCT/EP2005/056979 WO2006069941A1 (de) | 2004-12-24 | 2005-12-20 | Bauteil mit eingebettetem kanal, insbesondere heissgaskomponente einer strömungsmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008525698A JP2008525698A (ja) | 2008-07-17 |
JP4773457B2 true JP4773457B2 (ja) | 2011-09-14 |
Family
ID=34974357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007547494A Expired - Fee Related JP4773457B2 (ja) | 2004-12-24 | 2005-12-20 | 埋め込まれた通路を有する部材、特にターボ機械の熱ガスコンポーネント |
Country Status (6)
Country | Link |
---|---|
US (2) | US7744348B2 (ja) |
EP (1) | EP1828544B1 (ja) |
JP (1) | JP4773457B2 (ja) |
CN (1) | CN101128649B (ja) |
AT (1) | ATE513980T1 (ja) |
WO (1) | WO2006069941A1 (ja) |
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US10060264B2 (en) | 2010-12-30 | 2018-08-28 | Rolls-Royce North American Technologies Inc. | Gas turbine engine and cooled flowpath component therefor |
US8533949B2 (en) | 2011-02-14 | 2013-09-17 | General Electric Company | Methods of manufacture for components with cooling channels |
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-
2005
- 2005-12-20 CN CN2005800486610A patent/CN101128649B/zh not_active Expired - Fee Related
- 2005-12-20 WO PCT/EP2005/056979 patent/WO2006069941A1/de active Application Filing
- 2005-12-20 EP EP05821611A patent/EP1828544B1/de not_active Not-in-force
- 2005-12-20 AT AT05821611T patent/ATE513980T1/de active
- 2005-12-20 JP JP2007547494A patent/JP4773457B2/ja not_active Expired - Fee Related
-
2007
- 2007-06-15 US US11/763,610 patent/US7744348B2/en active Active
-
2009
- 2009-12-02 US US12/629,245 patent/US8210815B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59231103A (ja) * | 1983-06-14 | 1984-12-25 | Toshiba Corp | ガスタ−ビン冷却翼 |
JPH06226631A (ja) * | 1993-02-09 | 1994-08-16 | Ishikawajima Harima Heavy Ind Co Ltd | 耐熱セラミック層の孔開け加工法 |
US5640767A (en) * | 1995-01-03 | 1997-06-24 | Gen Electric | Method for making a double-wall airfoil |
US6405435B1 (en) * | 1999-06-03 | 2002-06-18 | Alstom (Switzerland) Ltd. | Process for producing or repairing cooling channels in monocrystalline components of gas turbines |
EP1295970A1 (en) * | 2001-09-22 | 2003-03-26 | ALSTOM (Switzerland) Ltd | MCrAlY type alloy coating |
Also Published As
Publication number | Publication date |
---|---|
US20070253817A1 (en) | 2007-11-01 |
CN101128649B (zh) | 2010-11-03 |
JP2008525698A (ja) | 2008-07-17 |
US20100080688A1 (en) | 2010-04-01 |
WO2006069941A1 (de) | 2006-07-06 |
US7744348B2 (en) | 2010-06-29 |
US8210815B2 (en) | 2012-07-03 |
EP1828544B1 (de) | 2011-06-22 |
CN101128649A (zh) | 2008-02-20 |
EP1828544A1 (de) | 2007-09-05 |
ATE513980T1 (de) | 2011-07-15 |
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