JP5230066B2 - 耐疲労性を有する金属エーロフォイル - Google Patents
耐疲労性を有する金属エーロフォイル Download PDFInfo
- Publication number
- JP5230066B2 JP5230066B2 JP2005358417A JP2005358417A JP5230066B2 JP 5230066 B2 JP5230066 B2 JP 5230066B2 JP 2005358417 A JP2005358417 A JP 2005358417A JP 2005358417 A JP2005358417 A JP 2005358417A JP 5230066 B2 JP5230066 B2 JP 5230066B2
- Authority
- JP
- Japan
- Prior art keywords
- airfoil
- patch
- tip
- surface treatment
- compressor 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
Images
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
- F01D5/005—Repairing methods or devices
-
- 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
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/02—Treating or finishing by applying pressure, e.g. knurling
-
- 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
-
- 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
-
- 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
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/4932—Turbomachine making
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Description
Claims (2)
- ガスタービンエンジンの金属エーロフォイル(112)において、
先端部から離間した位置にある根元部と、互いに離間した位置にある前縁部及び後縁部と、前記前縁部から前記後縁部まで延出する吸い込み側と、前記吸い込み側とは反対側にあり、前記前縁部から前記後縁部まで延出する圧力側であって、前記エーロフォイル(112)の厚さが、前記圧力側と前記吸い込み側との間で規定される圧力側と;
少なくとも1つの処理パッチ(132)と;
前記処理パッチが適用されていない残部と;
を備え、
前記処理パッチ(132)の内側における前記エーロフォイル(112)の厚さ全体は、低可塑性バニシ仕上げが適用されたことにより残留圧縮応力を受ける状態にあり、
前記エーロフォイル(112)には、表面処理領域(136)が設けられ、
前記表面処理領域(136)の内側における前記エーロフォイル(112)の表面は、ショットピーニングが適用されたことにより残留圧縮応力を受ける状態にあり、前記表面処理領域(136)は、少なくとも、前記処理パッチ(132)と前記残部との境界と重なり合い、
前記処理パッチ(132)は、前記前縁部、前記後縁部及び前記先端部のうちの選択された1つの部分に隣接して配置され、それにより、前記処理パッチ(132)は、前記前縁部、前記後縁部及び前記先端部のうちの前記選択された1つの部分から広がる亀裂の成長を妨害し、
前記表面処理領域(136)は、前記圧力側及び前記吸い込み側のほぼ全てを被覆する
ことを特徴とする金属エーロフォイル(112)。 - 前記処理パッチ(132)は、前記先端部に隣接して配置される請求項1載の金属エーロフォイル(112)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/014,611 US7384244B2 (en) | 2004-12-16 | 2004-12-16 | Fatigue-resistant components and method therefor |
US11/014,611 | 2004-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006170203A JP2006170203A (ja) | 2006-06-29 |
JP5230066B2 true JP5230066B2 (ja) | 2013-07-10 |
Family
ID=35986013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005358417A Expired - Fee Related JP5230066B2 (ja) | 2004-12-16 | 2005-12-13 | 耐疲労性を有する金属エーロフォイル |
Country Status (3)
Country | Link |
---|---|
US (1) | US7384244B2 (ja) |
EP (1) | EP1672176A3 (ja) |
JP (1) | JP5230066B2 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7805972B2 (en) * | 2005-10-12 | 2010-10-05 | Surface Technology Holdings Ltd. | Integrally bladed rotating turbo machinery and method and apparatus for achieving the same |
DE102006016949A1 (de) * | 2006-04-11 | 2007-10-25 | Mtu Aero Engines Gmbh | Verfahren zum Herstellen eines Bauteils |
US7530792B2 (en) * | 2006-06-30 | 2009-05-12 | General Electric Company | Component of variable thickness having residual compressive stresses therein, and method therefor |
US7526965B2 (en) * | 2006-12-30 | 2009-05-05 | General Electric Company | Method for evaluating burnishing element condition |
US8079120B2 (en) * | 2006-12-30 | 2011-12-20 | General Electric Company | Method for determining initial burnishing parameters |
US8051565B2 (en) * | 2006-12-30 | 2011-11-08 | General Electric Company | Method for increasing fatigue notch capability of airfoils |
US20090313823A1 (en) * | 2008-06-24 | 2009-12-24 | Todd Jay Rockstroh | Imparting deep compressive residual stresses into a gas turbine engine airfoil peripheral repair weldment |
US8468862B2 (en) * | 2010-02-09 | 2013-06-25 | General Electric Company | Peening process for enhancing surface finish of a component |
US20130004327A1 (en) * | 2011-06-30 | 2013-01-03 | United Technologies Corporation | Aluminum fan blade root |
US20130183157A1 (en) * | 2012-01-17 | 2013-07-18 | Venkatarama K. Seetharaman | Method of surface treatment for dovetail in gas turbine engine fan blade |
US8959767B2 (en) | 2012-11-21 | 2015-02-24 | United Technologies Corporation | Method of extending life of rotating parts |
US9638038B2 (en) * | 2013-01-10 | 2017-05-02 | United Technologies Corporation | DMZ fracture boundary limit |
US20210092856A1 (en) * | 2019-09-23 | 2021-03-25 | Apple Inc. | Surface nanograin for improved durability of metal bands |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4428213A (en) | 1981-09-10 | 1984-01-31 | United Technologies Corporation | Duplex peening and smoothing process |
US4677035A (en) * | 1984-12-06 | 1987-06-30 | Avco Corp. | High strength nickel base single crystal alloys |
DE4309176C2 (de) | 1993-03-22 | 1995-10-19 | Siemens Ag | Verfahren zum Festwalzen eines Bauteils |
WO1995025821A1 (en) * | 1994-03-22 | 1995-09-28 | Battelle Memorial Institute | Reducing edge effects of laser shock peening |
US5591009A (en) | 1995-01-17 | 1997-01-07 | General Electric Company | Laser shock peened gas turbine engine fan blade edges |
US5584662A (en) * | 1995-03-06 | 1996-12-17 | General Electric Company | Laser shock peening for gas turbine engine vane repair |
US5620307A (en) | 1995-03-06 | 1997-04-15 | General Electric Company | Laser shock peened gas turbine engine blade tip |
US5735044A (en) | 1995-12-12 | 1998-04-07 | General Electric Company | Laser shock peening for gas turbine engine weld repair |
JP3728006B2 (ja) * | 1996-03-29 | 2005-12-21 | ゼネラル・エレクトリック・カンパニイ | ガスタービン機関のファンの羽根 |
US5826453A (en) | 1996-12-05 | 1998-10-27 | Lambda Research, Inc. | Burnishing method and apparatus for providing a layer of compressive residual stress in the surface of a workpiece |
JP2000087897A (ja) * | 1998-09-08 | 2000-03-28 | Hitachi Ltd | ガスタービンの圧縮機翼およびガスタービン |
US6210488B1 (en) * | 1998-12-30 | 2001-04-03 | General Electric Company | Method of removing a thermal barrier coating |
US6415486B1 (en) | 2000-03-01 | 2002-07-09 | Surface Technology Holdings, Ltd. | Method and apparatus for providing a residual stress distribution in the surface of a part |
US6672838B1 (en) * | 2000-07-27 | 2004-01-06 | General Electric Company | Method for making a metallic article with integral end band under compression |
US6752593B2 (en) * | 2001-08-01 | 2004-06-22 | Lsp Technologies, Inc. | Articles having improved residual stress profile characteristics produced by laser shock peening |
US7097720B2 (en) * | 2003-04-30 | 2006-08-29 | General Electric Company | Lower fluence boundary laser shock peening |
US20050158460A1 (en) * | 2004-01-21 | 2005-07-21 | Williams Christopher C. | Method for protecting new/used engine parts |
-
2004
- 2004-12-16 US US11/014,611 patent/US7384244B2/en not_active Expired - Fee Related
-
2005
- 2005-12-13 JP JP2005358417A patent/JP5230066B2/ja not_active Expired - Fee Related
- 2005-12-15 EP EP05257748A patent/EP1672176A3/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP1672176A3 (en) | 2009-12-09 |
EP1672176A2 (en) | 2006-06-21 |
US7384244B2 (en) | 2008-06-10 |
JP2006170203A (ja) | 2006-06-29 |
US20060133940A1 (en) | 2006-06-22 |
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