JP6001989B2 - 内燃機関用ピストンの表面改質方法及び内燃機関用ピストン - Google Patents
内燃機関用ピストンの表面改質方法及び内燃機関用ピストン Download PDFInfo
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- JP6001989B2 JP6001989B2 JP2012224359A JP2012224359A JP6001989B2 JP 6001989 B2 JP6001989 B2 JP 6001989B2 JP 2012224359 A JP2012224359 A JP 2012224359A JP 2012224359 A JP2012224359 A JP 2012224359A JP 6001989 B2 JP6001989 B2 JP 6001989B2
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- 238000002485 combustion reaction Methods 0.000 title claims description 47
- 238000002715 modification method Methods 0.000 title description 8
- 238000000034 method Methods 0.000 claims description 58
- 238000002347 injection Methods 0.000 claims description 47
- 239000007924 injection Substances 0.000 claims description 47
- 239000002245 particle Substances 0.000 claims description 47
- 238000010438 heat treatment Methods 0.000 claims description 31
- 230000008569 process Effects 0.000 claims description 28
- 239000007921 spray Substances 0.000 claims description 28
- 230000004048 modification Effects 0.000 claims description 23
- 238000012986 modification Methods 0.000 claims description 23
- 239000000956 alloy Substances 0.000 claims description 22
- 229910052782 aluminium Inorganic materials 0.000 claims description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 22
- 229910045601 alloy Inorganic materials 0.000 claims description 21
- 229910000838 Al alloy Inorganic materials 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 229910000676 Si alloy Inorganic materials 0.000 claims description 15
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000005266 casting Methods 0.000 claims description 15
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 238000005242 forging Methods 0.000 claims description 11
- CYUOWZRAOZFACA-UHFFFAOYSA-N aluminum iron Chemical compound [Al].[Fe] CYUOWZRAOZFACA-UHFFFAOYSA-N 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 4
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 3
- 238000002407 reforming Methods 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims 1
- 239000013078 crystal Substances 0.000 description 16
- 230000007423 decrease Effects 0.000 description 15
- 238000004458 analytical method Methods 0.000 description 14
- 239000010419 fine particle Substances 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 238000003483 aging Methods 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 7
- 238000000635 electron micrograph Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000008187 granular material Substances 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000005480 shot peening Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 239000013585 weight reducing agent Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 238000001953 recrystallisation Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000004211 gastric acid Anatomy 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- 238000012552 review Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/10—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for compacting surfaces, e.g. shot-peening
-
- 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
- B23P15/10—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass pistons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C11/00—Selection of abrasive materials or additives for abrasive blasts
-
- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/082—Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/02—Pretreatment of the material to be coated
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/10—Oxidising
- C23C8/12—Oxidising using elemental oxygen or ozone
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/01—Pistons; Trunk pistons; Plungers characterised by the use of particular materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/10—Pistons having surface coverings
-
- 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
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49249—Piston making
- Y10T29/4925—Repairing, converting, servicing or salvaging
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Coating By Spraying Or Casting (AREA)
Description
粒径20〜200μm,温度25℃における熱伝導率30W/m・k以下,比重7.5g/cm3以上の鉄系合金製のショットを噴射粒体とし,
前記噴射粒体を鋳鍛造により得たアルミニウム−珪素合金もしくは,例えば,A2618等のアルミ‐銅合金から成る内燃機関用ピストンの表面に,酸素が存在する空間においてアークハイト値を0.07〜0.13mm(N)(実施例において0.10mm(N))と成す条件で噴射する第1噴射処理を行い,
前記第1噴射処理を経た前記内燃機関用ピストンの表面に,前記噴射粒体を酸素が存在する空間においてアークハイト値を0.13〜0.22mm(N)(実施例において0.20mm(N))と成す条件で噴射する第2噴射処理を行い,
その後,前記内燃機関用ピストンを,酸素の存在する空間中で170〜190℃,1.5時間以上の加熱処理を施すことを特徴とする(請求項1)。
処理対象(内燃機関用ピストン)
本発明で処理対象とする内燃機関用ピストンは,内燃機関用のものであれば特に限定されず,ガソリンエンジン用,ディーゼルエンジン用,その他,如何なるものであっても良い。
・ 表面に鋳造時,湯境等の欠陥が発生している部位
・ 応力が高く強度が必要な部位
・ 軽量化の必要な部位
・ 製品時鋳肌状態の面
・ 耐摩耗性・耐熱性が必要な部位
噴射粒体としては,粒径20〜200μm,温度25℃における熱伝導率が30W/(m・K)以下,比重7.5g/cm3以上の鉄系合金製のものを使用する。
以上で説明した噴射粒体は,処理対象である前述の内燃機関用ピストン表面に対し,アークハイト値を0.07〜0.13mm(N)として行う第1噴射工程と,アークハイト値を0.13〜0.22mm(N)として行う第2噴射工程の2回に分けて行われる。
以上のようにして,2工程の噴射粒体の噴射が終了した後,処理対象としたピストンに対し,大気中において170〜190℃の温度において1.5時間以上の加熱を行う。
以上のようにして,粒径20〜200μm,温度25℃における熱伝導率が30W/(m・K)以下,比重7.5g/cm3以上の鉄系合金製の金属粒体を,前述したアークハイト値となるように2段階に分けて噴射すると共に,その後,170〜190℃の温度で1.5時間以上の熱処理を行うと,アルミ−珪素系合金製のピストンの表面には,微細化されたアルミ及び/又はアルミ系合金の結晶粒界に,アルミ−鉄系合金の酸化物から成る粒界酸化物を備えた表面改質層が形成された。
時効硬化処理を行った自動車のガソリンエンジン用アルミ−珪素系合金製ピストン(AC8A)のスカート部に対し,下記の表1に示す条件でそれぞれ表面処理を行うと共に,処理後のピストンの表面付近の構造を観察すると共に,大気中で350℃の温度に100時間加熱した後の表面硬度の変化の様子を確認した。その結果を,表2に示す。
Claims (5)
- 粒径20〜200μm,温度25℃における熱伝導率30W/m・k以下,比重7.5g/cm3以上の鉄系合金製のショットを噴射粒体とし,
前記噴射粒体を鋳鍛造により得たアルミニウム−珪素合金もしくはアルミ‐銅系合金製の内燃機関用ピストンの表面に,酸素が存在する空間においてアークハイト値を0.07〜0.13mm(N)と成す条件で噴射する第1噴射処理を行い,
前記第1噴射処理を経た前記内燃機関用ピストンの表面に,前記噴射粒体を酸素が存在する空間においてアークハイト値を0.13〜0.22mm(N)と成す条件で噴射する第2噴射処理を行い,
その後,前記内燃機関用ピストンを,酸素の存在する空間中で170〜190℃,1.5時間以上の加熱処理を施すことを特徴とする内燃機関用ピストンの表面改質方法。 - 前記第1噴射処理と第2噴射処理で合計200〜500%のカバレージとなるよう前記噴射粒体を噴射したことを特徴とする請求項1記載の内燃機関用ピストンの表面改質方法。
- 前記第1噴射処理を,カバレージ100〜200%の範囲で行うと共に,前記第2噴射処理を,カバレージ100〜300%の範囲で行うことを特徴とする請求項2記載の内燃機関用ピストンの表面処理方法。
- 前記噴射粒体を,ハイス鋼又はステンレス鋼によって形成したことを特徴とする請求項1〜3いずれか1項記載の内燃機関用ピストンの表面改質方法。
- アルミニウム−珪素合金もしくはアルミ‐銅系合金製の内燃機関用ピストンの表面改質部に,最表面から深さ3〜30μmの範囲に,微細化されたアルミ及び/又はアルミ系合金の結晶粒界に,アルミ−鉄系合金の安定した酸化物からなる粒界酸化物を備えた表面改質層が形成されていることを特徴とする内燃機関用ピストン。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012224359A JP6001989B2 (ja) | 2012-10-09 | 2012-10-09 | 内燃機関用ピストンの表面改質方法及び内燃機関用ピストン |
PCT/JP2013/077340 WO2014057935A1 (ja) | 2012-10-09 | 2013-10-08 | 内燃機関用ピストンの表面改質方法及び内燃機関用ピストン |
ES13845632T ES2711452T3 (es) | 2012-10-09 | 2013-10-08 | Método para modificar la superficie de un pistón para un motor de combustión interna, y pistón para motor de combustión interna |
CN201380052332.8A CN104736742B (zh) | 2012-10-09 | 2013-10-08 | 内燃机用活塞的表面改性方法和内燃机用活塞 |
US14/431,055 US9995242B2 (en) | 2012-10-09 | 2013-10-08 | Method for modifying surface of piston for internal combustion engine, and piston for internal combustion engine |
EP13845632.2A EP2907895B1 (en) | 2012-10-09 | 2013-10-08 | Method for modifying surface of piston for internal combustion engine, and piston for internal combustion engine |
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JP2012224359A JP6001989B2 (ja) | 2012-10-09 | 2012-10-09 | 内燃機関用ピストンの表面改質方法及び内燃機関用ピストン |
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JP2014077160A JP2014077160A (ja) | 2014-05-01 |
JP6001989B2 true JP6001989B2 (ja) | 2016-10-05 |
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US (1) | US9995242B2 (ja) |
EP (1) | EP2907895B1 (ja) |
JP (1) | JP6001989B2 (ja) |
CN (1) | CN104736742B (ja) |
ES (1) | ES2711452T3 (ja) |
WO (1) | WO2014057935A1 (ja) |
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CN113798156B (zh) * | 2021-07-05 | 2024-06-11 | 安庆雅德帝伯活塞有限公司 | 一种活塞表面改质强化工艺 |
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JP3225066B2 (ja) * | 1991-09-26 | 2001-11-05 | マツダ株式会社 | アルミニウム合金製部材の表面改質方法 |
US5980659A (en) * | 1996-07-15 | 1999-11-09 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Surface-treated metallic part and processing method thereof |
JP2002301663A (ja) * | 2001-04-04 | 2002-10-15 | Isuzu Motors Ltd | アルミニウム鋳物の疲労強度向上方法 |
FR2848129B1 (fr) * | 2002-12-05 | 2006-01-27 | Ascometal Sa | Procede de fabrication d'un piston pour moteur a explosion, et piston ainsi obtenu |
JP4658094B2 (ja) | 2006-07-28 | 2011-03-23 | アート金属工業株式会社 | 内燃機関用ピストンの表面改質方法及び内燃機関用ピストン |
JP5117986B2 (ja) | 2008-10-08 | 2013-01-16 | アート金属工業株式会社 | 内燃機関用ピストンスカート部の表面処理方法及び内燃機関用ピストン |
JP2011052322A (ja) | 2009-08-05 | 2011-03-17 | Kanagawa Prefecture | 表面改質アルミニウム系金属部材 |
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CN104736742A (zh) | 2015-06-24 |
EP2907895A1 (en) | 2015-08-19 |
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ES2711452T3 (es) | 2019-05-03 |
US9995242B2 (en) | 2018-06-12 |
US20150233320A1 (en) | 2015-08-20 |
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