JP2015501224A - 表面仕上げが改善されたチタンアルミナイド物品およびその製造方法 - Google Patents
表面仕上げが改善されたチタンアルミナイド物品およびその製造方法 Download PDFInfo
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- JP2015501224A JP2015501224A JP2014533541A JP2014533541A JP2015501224A JP 2015501224 A JP2015501224 A JP 2015501224A JP 2014533541 A JP2014533541 A JP 2014533541A JP 2014533541 A JP2014533541 A JP 2014533541A JP 2015501224 A JP2015501224 A JP 2015501224A
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- titanium aluminide
- aluminide alloy
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/16—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape
- B24B21/165—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape for vanes or blades of turbines, propellers, impellers, compressors and the like
-
- 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
-
- 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
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
-
- 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
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/18—Intermetallic compounds
- F05D2300/182—Metal-aluminide intermetallic compounds
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/516—Surface roughness
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
Description
Claims (29)
- チタンアルミナイド合金含有物品の表面仕上げを改善するための方法であって、
チタンアルミナイド合金含有物品を用意するステップと、
前記チタンアルミナイド合金含有物品の表面の端から端まで、研磨媒体を速い線速度で通過させるステップと、
チタンアルミナイド合金含有物品の表面を変形させるステップと、
チタンアルミナイド合金含有物品の表面粗さを低減させ、それによって物品の表面仕上げを改善するステップと
を含む方法。 - 物品の表面の端から端まで研磨媒体を通過させるステップが、研磨媒体とチタンアルミナイド微細構造とを相互作用させるステップを含む、請求項1記載の方法。
- 表面を変形させるステップが、チタンアルミナイド合金を塑性変形させるステップを含む、請求項1記載の方法。
- チタンアルミナイド合金が、γチタンアルミナイド相およびα2(Ti3Al)相を含む、請求項3記載の方法。
- 物品の表面粗さが少なくとも約50%低減される、請求項1記載の方法。
- チタンアルミナイド合金含有物品が、チタンアルミナイド合金含有タービンブレードを含む、請求項1記載の方法。
- 研磨媒体が、アルミナ、ガーネット、シリカ、炭化ケイ素、炭化ホウ素、ダイヤモンド、炭化タングステン、およびこれらの組成物を含む、請求項1記載の方法。
- 前記通過させるステップが、約140ミクロンから約195ミクロンの範囲の粒子の第1の研磨媒体を表面の端から端まで通過させ、次いで約115ミクロンから約145ミクロンの範囲の粒子の第2の研磨媒体を表面の端から端まで通過させ、次いで約40ミクロンから約60ミクロンの範囲の粒子の第3の研磨媒体を表面の端から端まで通過させるステップを含む、請求項1記載の方法。
- 前記変形させるステップが、チタンアルミナイド合金の延性脆性遷移温度よりも高い温度まで表面を加熱するステップを含む、請求項1記載の方法。
- チタンアルミナイド合金含有物品の表面仕上げを改善するための方法であって、
構造物上でチタンアルミナイド合金含有物品を安定化させるステップと、
前記安定化させたチタンアルミナイド合金物品の表面の端から端まで、研磨媒体を速い線速度で通過させるステップと、
チタンアルミナイド合金のγチタンアルミナイド相およびα2(Ti3Al)相の両方を変形させ、チタンアルミナイド合金含有物品の表面仕上げを改善するステップと
を含む方法。 - チタンアルミナイド合金含有物品が、チタンアルミナイド合金含有タービンブレードを含む、請求項10記載の方法。
- 物品の表面粗さが少なくとも約50%低減される、請求項10記載の方法。
- 研磨媒体が、アルミナ、ガーネット、シリカ、炭化ケイ素、炭化ホウ素、ダイヤモンド、炭化タングステン、およびこれらの組成物を含む、請求項10記載の方法。
- 前記通過させるステップが、約140ミクロンから約195ミクロンの範囲の粒子の第1の研磨媒体を表面の端から端まで通過させ、次いで約115ミクロンから約145ミクロンの範囲の粒子の第2の研磨媒体を表面の端から端まで通過させ、次いで約40ミクロンから約60ミクロンの範囲の粒子の第3の研磨媒体を表面の端から端まで通過させるステップを含む、請求項10記載の方法。
- 前記変形させるステップが、チタンアルミナイド合金の延性脆性遷移温度よりも高い温度まで表面を加熱するステップを含む、請求項10記載の方法。
- チタンアルミナイド合金含有物品の表面粗さのRa値を低減させるための方法であって、
構造物上でチタンアルミナイド合金を安定化させるステップと、
前記安定化させたチタンアルミナイド合金の表面の端から端まで、順次減少するグリットサイズを速い速度で通過させるステップと、
チタンアルミナイド合金のγTiAl相およびα2(Ti3Al)相の両方を塑性変形させ、それによってチタンアルミナイド合金の表面のRa値を低減させるステップと
を含む方法。 - チタンアルミナイド合金含有物品が、チタンアルミナイド合金含有タービンブレードを含む、請求項16記載の方法。
- 物品の表面粗さが少なくとも約50%低減される、請求項16記載の方法。
- 物品の表面粗さが約20Ra以下に低減される、請求項16記載の方法。
- 研磨媒体が、アルミナ、ガーネット、シリカ、炭化ケイ素、炭化ホウ素、ダイヤモンド、炭化タングステン、およびこれらの組成物の少なくとも1種を含む、請求項16記載の方法。
- 前記通過させるステップが、約140ミクロンから約195ミクロンの範囲の粒子の第1の研磨媒体を表面の端から端まで通過させ、次いで約115ミクロンから約145ミクロンの範囲の粒子の第2の研磨媒体を表面の端から端まで通過させ、次いで約40ミクロンから約60ミクロンの範囲の粒子の第3の研磨媒体を表面の端から端まで通過させるステップを含む、請求項16記載の方法。
- 前記変形させるステップが、チタンアルミナイド合金の延性脆性遷移温度よりも高い温度まで表面を加熱するステップを含む、請求項16記載の方法。
- 処理後のRa値が、約3分の1から約6分の1に低減される、請求項16記載の方法。
- チタンアルミナイド合金を含有する表面の少なくとも一部の端から端まで約1ミクロン未満の粗さを有する、チタンアルミナイド合金含有物品。
- インベストメント鋳造物品である、請求項24記載の物品。
- タービンブレードである、請求項24記載の物品。
- タービンブレードであり、タービンブレードの作用面の少なくとも一部が約1ミクロン未満の粗さを有する、請求項24記載の物品。
- チタンアルミナイド合金物品の表面積の大部分が、実質的に平面であり、約1ミクロン未満の粗さを有する、請求項24記載の物品。
- ブレードの作用面の少なくとも一部の端から端まで15Ra未満の平均粗さを有するタービンエンジンブレードである、請求項24記載の物品。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/250,231 US20130084190A1 (en) | 2011-09-30 | 2011-09-30 | Titanium aluminide articles with improved surface finish and methods for their manufacture |
US13/250,231 | 2011-09-30 | ||
PCT/US2012/053297 WO2013048670A1 (en) | 2011-09-30 | 2012-08-31 | Titanium aluminide articles with improved surface finish and methods for their manufacture |
Publications (3)
Publication Number | Publication Date |
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JP2015501224A true JP2015501224A (ja) | 2015-01-15 |
JP2015501224A5 JP2015501224A5 (ja) | 2016-11-24 |
JP6183962B2 JP6183962B2 (ja) | 2017-08-23 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2014533541A Active JP6183962B2 (ja) | 2011-09-30 | 2012-08-31 | 表面仕上げが改善されたチタンアルミナイド物品及びその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20130084190A1 (ja) |
EP (1) | EP2760632B1 (ja) |
JP (1) | JP6183962B2 (ja) |
CN (1) | CN103826799B (ja) |
BR (1) | BR112014006294A2 (ja) |
CA (1) | CA2848838C (ja) |
WO (1) | WO2013048670A1 (ja) |
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Also Published As
Publication number | Publication date |
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EP2760632B1 (en) | 2017-07-19 |
EP2760632A1 (en) | 2014-08-06 |
US20130084190A1 (en) | 2013-04-04 |
JP6183962B2 (ja) | 2017-08-23 |
BR112014006294A2 (pt) | 2017-04-04 |
CA2848838A1 (en) | 2013-04-04 |
CN103826799B (zh) | 2019-03-22 |
CA2848838C (en) | 2019-10-01 |
WO2013048670A1 (en) | 2013-04-04 |
CN103826799A (zh) | 2014-05-28 |
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