JP2017101652A - ハイブリッド金属の圧縮機ブレード - Google Patents
ハイブリッド金属の圧縮機ブレード Download PDFInfo
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- JP2017101652A JP2017101652A JP2016145862A JP2016145862A JP2017101652A JP 2017101652 A JP2017101652 A JP 2017101652A JP 2016145862 A JP2016145862 A JP 2016145862A JP 2016145862 A JP2016145862 A JP 2016145862A JP 2017101652 A JP2017101652 A JP 2017101652A
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 8
- 239000002184 metal Substances 0.000 title claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 118
- 230000007704 transition Effects 0.000 claims abstract description 108
- 239000000203 mixture Substances 0.000 claims description 49
- 238000004519 manufacturing process Methods 0.000 claims description 43
- 229910045601 alloy Inorganic materials 0.000 claims description 32
- 239000000956 alloy Substances 0.000 claims description 32
- 239000000654 additive Substances 0.000 claims description 19
- 230000000996 additive effect Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 7
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 7
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 7
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 7
- 239000010962 carbon steel Substances 0.000 claims description 7
- 229910001105 martensitic stainless steel Inorganic materials 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 229910000601 superalloy Inorganic materials 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 239000010941 cobalt Substances 0.000 claims description 6
- 229910017052 cobalt Inorganic materials 0.000 claims description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 238000005242 forging Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
- 238000000149 argon plasma sintering Methods 0.000 claims description 2
- 230000008021 deposition Effects 0.000 claims description 2
- 238000010894 electron beam technology Methods 0.000 claims description 2
- 239000011162 core material Substances 0.000 claims 10
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000007797 corrosion Effects 0.000 description 13
- 238000005260 corrosion Methods 0.000 description 13
- 230000003628 erosive effect Effects 0.000 description 13
- 239000007789 gas Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/324—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
- 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
- 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
-
- 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
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- 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
- F01D5/288—Protective coatings for blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- 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
- B22F2207/00—Aspects of the compositions, gradients
-
- 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
- B22F2207/00—Aspects of the compositions, gradients
- B22F2207/01—Composition gradients
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- 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
- 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
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
-
- 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
- F05D2230/30—Manufacture with deposition of material
- F05D2230/31—Layer deposition
-
- 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
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
-
- 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
- F05D2300/17—Alloys
-
- 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)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Architecture (AREA)
- Manufacturing & Machinery (AREA)
- Plasma & Fusion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Powder Metallurgy (AREA)
Abstract
【解決手段】異なる2つのセクション間にある1以上の遷移領域を含み、圧縮機ブレードの所定のセクションにそれぞれ配置されている1以上の種類の材料からなる外側ケーシングを含む、翼形部及び根元部を含むハイブリッド圧縮機ブレード。遷移領域は、隣接するセクションの材料に基づいた組成勾配を有する1以上の層を含み、あるセクションから別のセクションへの緩やかな遷移を作り出す。
【選択図】図1
Description
Claims (19)
- ガスタービンハイブリッド圧縮機ブレードであって、
正圧側面と負圧側面とで連結された前縁及び後縁と、翼形部の半径方向内側の根元部とを含む翼形部と、
翼形部内部の内側コアと、
内側コアを覆う遷移部と、
遷移部を覆うとともに内側コアを囲繞する外側ケーシングであって、前縁表面と、後縁表面と、翼形部の正圧側面及び負圧側面とを含んでいて、各々異なる材料で形成された複数のセクションを含んでいる外側ケーシングと、
外側ケーシングに含まれる1以上の遷移領域であって、外側ケーシングのセクション間にある遷移領域と
を備える、ガスタービンハイブリッド圧縮機ブレード。 - 遷移領域が、セクションの第1セクションに隣接する第1面と、セクションの第2セクションに隣接する第2面とを含む、請求項1に記載のハイブリッド圧縮機ブレード。
- 遷移領域を形成する材料の組成が、遷移領域の第1面において第1セクションを形成する材料から、遷移領域の第2面において第2セクションを形成する材料へと遷移する、請求項2に記載のハイブリッド圧縮機ブレード。
- 遷移領域の遷移が、材料の線形的な遷移である、請求項3に記載のハイブリッド圧縮機ブレード。
- 遷移領域の中心が、約50重量%又は体積%の第1セクションを形成する材料と、約50重量%又は体積%の第2セクションを形成する材料との割合を有する、請求項2乃至請求項4のいずれか1項に記載のハイブリッド圧縮機ブレード。
- 遷移部が、内側コアに隣接する第1表面と、外側ケーシングに隣接し、第1表面の反対側にある第2表面とを含む、請求項1乃至請求項5のいずれか1項に記載のハイブリッド圧縮機ブレード。
- 遷移部が、遷移部の一方の側から遷移部の他方の側に向かって広がる材料の量が線形的に漸減している材料の1以上の層を含む、請求項6に記載のハイブリッド圧縮機ブレード。
- 遷移領域が、第1セクションを形成する材料及び第2セクションを形成する材料の非線形的な勾配組成を含む、請求項2乃至請求項5のいずれか1項に記載のハイブリッド圧縮機ブレード。
- 遷移部が、遷移部の一方の表面から、遷移部の反対の表面へと広がる、非線形的な組成勾配を有する材料の1以上の層から構成されている、請求項6又は請求項7に記載のハイブリッド圧縮機ブレード。
- 外側ケーシングの各セクションの材料が、超合金、鉄基合金、ニッケル基合金、コバルト基合金、オーステナイト系ステンレス鋼、マルテンサイト系ステンレス鋼、フェライト系ステンレス鋼、炭素鋼、合金鋼、チタン基合金、金属間チタン合金及びこれらの組合せからなる群から選択される、請求項1乃至請求項9のいずれか1項に記載のハイブリッド圧縮機ブレード。
- 内側コアが、超合金、鉄基合金、ニッケル基合金、コバルト基合金、オーステナイト系ステンレス鋼、マルテンサイト系ステンレス鋼、フェライト系ステンレス鋼、炭素鋼、合金鋼、チタン基合金、金属間チタン合金及びこれらの組合せからなる群から選択される、請求項1乃至請求項10のいずれか1項に記載のハイブリッド圧縮機ブレード。
- 所定のセクション及び遷移領域が、圧縮機ブレードの翼形部及び根元部の半径方向に広がっている、請求項1乃至請求項11のいずれか1項に記載のハイブリッド圧縮機ブレード。
- 各セクションが異なる種類の材料で形成されているセクションを含む内側コア及び外側ケーシングを含んでいる圧縮機ブレードを製造する方法であって、
外側ケーシングの第1セクションと、外側ケーシングの第2セクションと、外側ケーシングの第1セクション及び第2セクションの遷移領域との位置を決定するステップと、
第1外側ケーシングのための第1の材料組成と、第2外側ケーシングのための第2の材料組成とを選択するステップであって、第2の材料組成が第1の材料組成とは異なり、選択が、対応する第1外側ケーシングセクション及び第2外側ケーシングセクションで強化すべき望まれる材料特性に基づいてなされる、ステップと、
積層造形法、鍛造、及び鋳造の1つを用いて内側コアを製造するステップと、
積層造形法を用いて第1遷移部を形成するために、内側コアの表面に、選択された材料組成を積層させるステップであって、第1遷移部が、内側コアと外側ケーシングとの間にある、ステップと、
外側ケーシングの第1セクションの場所で第1遷移部に第1の材料組成を積層させることと、外側ケーシングの第2セクションの場所で第1遷移部に第2の材料組成を積層させることとによって、外側ケーシングを形成するステップであって、第1の組成及び第2の組成を積層させることが、積層造形法によって行われる、ステップと、
積層造形法を用いて、遷移領域に第1材料及び第2材料の組成勾配を形成するステップと
を含む方法。 - 圧縮機ブレードにおいて付加的な外側ケーシングセクション及び遷移領域を提供するために、請求項13のステップを繰り返すことをさらに含む、請求項13に記載の製造方法。
- 積層造形法が、電子ビーム溶融、直接金属レーザ溶融、直接金属レーザ焼結、レーザ堆積又はこれらの組合せを含む、請求項13又は請求項14に記載の製造方法。
- 外側ケーシングセクションのための材料が、超合金、鉄基合金、ニッケル基合金、コバルト基合金、オーステナイト系ステンレス鋼、マルテンサイト系ステンレス鋼、フェライト系ステンレス鋼、炭素鋼、合金鋼、チタン基合金、金属間チタン合金及びこれらの組合せからなる群から選択される、請求項13乃至請求項15のいずれか1項に記載の製造方法。
- 内側コア材料が、超合金、鉄基合金、ニッケル基合金、コバルト基合金、オーステナイト系ステンレス鋼、マルテンサイト系ステンレス鋼、フェライト系ステンレス鋼、炭素鋼、合金鋼、チタン基合金、金属間チタン合金及びこれらの組合せからなる群から選択される、請求項13乃至請求項16のいずれか1項に記載の製造方法。
- 遷移領域における組成勾配が、あるセクションから別のセクションへと遷移する勾配組成を作り出すための、非線形的な材料の組合せを含む、請求項13乃至請求項17のいずれか1項に記載の製造方法。
- 遷移領域における組成勾配が、あるセクションから別のセクションへの材料の線形的な漸減を作り出す、請求項13乃至請求項18のいずれか1項に記載の製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/820,778 US9982684B2 (en) | 2015-08-07 | 2015-08-07 | Hybrid metal compressor blades |
US14/820,778 | 2015-08-07 |
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JP2017101652A true JP2017101652A (ja) | 2017-06-08 |
JP6866079B2 JP6866079B2 (ja) | 2021-04-28 |
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EP (1) | EP3128129A1 (ja) |
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CN (1) | CN106567856B (ja) |
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JP7213878B2 (ja) | 2017-11-29 | 2023-01-27 | マン・エナジー・ソリューションズ・エスイー | ターボ機械のロータブレード及びロータブレードの製造方法 |
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WO2019040509A1 (en) * | 2017-08-23 | 2019-02-28 | Arconic Inc. | MULTI-MATERIAL COMPONENTS AND PROCESSES FOR THEIR MANUFACTURE |
FR3071516B1 (fr) * | 2017-09-25 | 2022-07-29 | Safran Aircraft Engines | Procede de fabrication d'une piece comprenant deux superalliages differents |
CN108405866B (zh) * | 2018-02-09 | 2020-09-11 | 南京理工大学 | 软网络分割和梯度成分的钛/钢过渡接头结构 |
DE102018202685A1 (de) * | 2018-02-22 | 2019-08-22 | Siemens Aktiengesellschaft | Bauteil sowie Verfahren zum Herstellen eines Bauteils mittels additiven Fertigungsverfahren |
CN110453152B (zh) * | 2018-05-08 | 2021-10-26 | 宁波甬微集团有限公司 | 一种制冷压缩机滑片及其制备方法 |
US11167375B2 (en) | 2018-08-10 | 2021-11-09 | The Research Foundation For The State University Of New York | Additive manufacturing processes and additively manufactured products |
US20220110717A1 (en) * | 2020-10-09 | 2022-04-14 | Align Technology, Inc. | Multiple material dental apparatuses and techniques for making the same |
DE102021131094A1 (de) * | 2021-11-26 | 2023-06-01 | MTU Aero Engines AG | Verfahren zur herstellung eines schlagzähen bauteils und entsprechend schlagzähes bauteil |
US11668316B1 (en) | 2022-01-07 | 2023-06-06 | Hamilton Sundstrand Corporation | Rotor formed of multiple metals |
US11753942B1 (en) | 2022-04-11 | 2023-09-12 | General Electric Company | Frangible airfoils |
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JP6866079B2 (ja) | 2021-04-28 |
EP3128129A1 (en) | 2017-02-08 |
US20170037867A1 (en) | 2017-02-09 |
CN106567856A (zh) | 2017-04-19 |
US9982684B2 (en) | 2018-05-29 |
CN106567856B (zh) | 2021-05-04 |
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