JP2021088770A - 摺動部材及び内燃機関の摺動部材 - Google Patents
摺動部材及び内燃機関の摺動部材 Download PDFInfo
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- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
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- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/008—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression characterised by the composition
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- 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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
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- 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
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
- F01L3/04—Coated valve members or valve-seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/08—Valves guides; Sealing of valve stem, e.g. sealing by lubricant
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- 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
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- 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
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
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- C—CHEMISTRY; METALLURGY
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- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/56—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.7% by weight of carbon
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- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2301/00—Using particular materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2301/00—Using particular materials
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- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
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- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- Combustion & Propulsion (AREA)
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Abstract
Description
まず、第1の形態に係る摺動部材について図面を参照しながら詳細に説明する。なお、以下の各実施形態で引用する図面の寸法比率は、説明の都合上誇張されており、実際の比率とは異なる場合がある。
次に、本発明の第2の実施形態に係る摺動部材について図面を参照しながら詳細に説明する。なお、上記の形態において説明したものと同等のものについては、それらと同一の符号を付して説明を省略する。
次に、その他の形態に係る摺動部材について図面を参照しながら詳細に説明する。なお、上記の実施形態において説明したものと同等のものについては、それらと同一の符号を付して説明を省略する。
次に、本発明の第3の実施形態に係る摺動部材、つまり、上述した摺動部材を摺動部位に有する摺動部材について図面を参照しながら詳細に説明する。なお、摺動部材として、内燃機関の摺動部材を例に挙げて詳細に説明するが、特に限定されるものではない。また、被膜層の表面側を摺動面とすることは言うまでもない。なお、上記の形態において説明したものと同等のものについては、それらと同一の符号を付して説明を省略する。
次に、本発明の第4の実施形態に係る摺動部材について図面を参照しながら詳細に説明する。なお、被膜層の表面側を摺動面とすることは言うまでもない。また、上記の実施形態において説明したものと同等のものについては、それらと同一の符号を付して説明を省略する。
まず、原料としての鋼粒子として、オーステナイト系ステンレス鋼粒子(SUS316L、ガスアトマイズ粒子、粒度(篩サイズ)−45/+11(μm))を用意した。
表1に示すように、鋼粒子、銅粒子及び硬質粒子の仕様や成膜条件を変えたこと以外は、試験例1と同様の操作を繰り返して、各例の摺動部材を得た。
表2に示すように、鋼粒子、銅粒子及び硬質粒子の仕様や成膜条件を変えたこと以外は、試験例1と同様の操作を繰り返して、各例の摺動部材を得た。
表3に示すように、鋼粒子、銅粒子及び硬質粒子の仕様や成膜条件を変えたこと以外は、試験例1と同様の操作を繰り返して、各例の摺動部材を得た。
上記各例の摺動部材用いて、下記の各種性能を評価した。
図14は摩耗試験装置の概略を示す断面図である。図14に示すように、バルブスプリング42、エンジンバルブ43、ステムシール44、バルブガイド45、シリンダヘッド46、46’、コッタ49等の実際のエンジンの部品を用いて、エンジンの動弁機構に似た摩耗試験装置を構築した。なお、シリンダヘッド46におけるエンジンバルブ43の着座部46Aとしては、上記各例において得られた摺動部材(2,3)を適用した。また、摺動部材(2,3)は、基材10上に形成された所定の被膜層20を備えている。さらに、図中のエンジンバルブ43は、開き状態を示しており、エンジンバルブ43は、図示しない偏心カムにより図中矢印Yで示す上下方向に振動して、エンジンバルブ43の開閉を繰り返す。なお、シリンダヘッド46におけるエンジンバルブ43の着座部46Aの摺動面46aは、ガスバーナBの火炎Fにより高温環境下とされている。また、着座部46Aは、温度計Tにより温度が計測されている。さらに、シリンダヘッド46内には冷却水Wが循環している。
・温度:300℃(排気ポート側のシリンダヘッドにおけるエンジンバルブの着座部を想定した。)
・入力回数:540000回
Claims (4)
- 基材と、
上記基材上の摺動部位に形成された被膜層と、を備える摺動部材であって、
上記被膜層が、複数のオーステナイト系ステンレス鋼粒子に由来の鋼部と、複数の銅粒子又は銅合金粒子に由来の銅部とを有し、該鋼部と該銅部とが界面において該鋼部の成分元素と該銅部の成分元素とを含む金属間化合物層を介して結合しており、
上記基材と上記鋼部と、及び/又は上記基材と上記銅部とが、界面において金属間化合物層を介して結合しており、
上記被膜層が、上記鋼部よりも硬質である複数の硬質粒子に由来の硬質粒子部を有し、
上記硬質粒子が、鉄基合金粒子、コバルト基合金粒子、クロム基合金粒子、ニッケル基合金粒子及びモリブデン基合金粒子からなる群より選ばれた少なくとも1種の硬質粒子からなる
ことを特徴とする摺動部材。 - 上記基材及び上記被膜層の少なくとも一方が、塑性変形部を有することを特徴とする請求項1に記載の摺動部材。
- 上記基材と上記硬質粒子部と、上記鋼部と上記硬質粒子部と、又は上記銅部と上記硬質粒子部とが、界面において金属間化合物層を介して結合していることを特徴とする請求項1に記載の摺動部材。
- 請求項1〜3のいずれか1つの項に記載の摺動部材を内燃機関の摺動部位に有することを特徴とする内燃機関の摺動部材。
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EP3825442A4 (en) * | 2018-07-19 | 2021-06-30 | Nissan Motor Co., Ltd. | SLIDING ELEMENT |
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JP2000170601A (ja) * | 1998-12-04 | 2000-06-20 | Riken Corp | アルミニウム合金製ピストン |
JP2008538385A (ja) * | 2005-04-15 | 2008-10-23 | エスエヌティー・カンパニー・リミテッド | 金属マトリックス複合体形成方法およびこれを用いて製造されたコーティング層およびバルク |
JP5202024B2 (ja) * | 2008-02-21 | 2013-06-05 | 愛三工業株式会社 | 硬質皮膜の形成方法 |
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JPS522024B2 (ja) | 1972-12-19 | 1977-01-19 | ||
JPS522024A (en) | 1975-06-24 | 1977-01-08 | Naka Tech Lab | Panel connection device for construction |
JPS5578736U (ja) | 1978-11-25 | 1980-05-30 | ||
JPS60262954A (ja) * | 1984-06-08 | 1985-12-26 | Showa Denko Kk | 溶射用粉末 |
DE3520182A1 (de) * | 1985-06-04 | 1986-12-04 | Stein Becker GmbH, 5461 Vettelschoß | Verbundgussplatten zur verhinderung von abrasionsverschleiss |
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US10982622B2 (en) | 2021-04-20 |
BR112019015842A2 (pt) | 2020-03-31 |
EP3578282A4 (en) | 2019-12-11 |
KR20190099456A (ko) | 2019-08-27 |
CA3054677A1 (en) | 2018-08-09 |
MX2019009082A (es) | 2019-09-10 |
WO2018142218A1 (ja) | 2018-08-09 |
CN110248752B (zh) | 2022-02-01 |
CN110248752A (zh) | 2019-09-17 |
RU2723498C1 (ru) | 2020-06-11 |
US20200248647A1 (en) | 2020-08-06 |
MY192912A (en) | 2022-09-15 |
JP7036242B2 (ja) | 2022-03-15 |
EP3578282A1 (en) | 2019-12-11 |
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