JP2011122190A - 摺動部材およびその製造方法 - Google Patents
摺動部材およびその製造方法 Download PDFInfo
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- JP2011122190A JP2011122190A JP2009279276A JP2009279276A JP2011122190A JP 2011122190 A JP2011122190 A JP 2011122190A JP 2009279276 A JP2009279276 A JP 2009279276A JP 2009279276 A JP2009279276 A JP 2009279276A JP 2011122190 A JP2011122190 A JP 2011122190A
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- intermediate layer
- layer
- carbide
- sliding member
- chromium
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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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
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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
- 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
- C23C10/30—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes using a layer of powder or paste on the surface
- C23C10/32—Chromising
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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
- C23C12/00—Solid state diffusion of at least one non-metal element other than silicon and at least one metal element or silicon into metallic material surfaces
Abstract
【解決手段】鉄系母材に、母材元素(Fe)と被覆元素(Cr)を含んだ複合炭化物(Fe,Cr)Cからなる中間層を介してCr炭化物層を形成し、熱膨張差に起因する皮膜割れを防止した摺動部材とする。
【選択図】図1
Description
はじめに、本発明の中間層の生成条件について検討を行った。0.6%以上のCを含む鉄鋼材料、クロム含有粉末(例えば、金属クロム)、焼結防止剤(例えば、アルミナ)および促進剤(例えば、塩化アンモニウム等のハロゲン化物)からなる浸透剤を処理装置に充填し、不活性ガス流入条件下にて拡散浸透処理を行い、鋼部材にクロム炭化物を被覆した。浸炭処理後の表面炭素濃度と、拡散浸透処理温度と、この拡散浸透処理の際に鋼部材とクロム炭化物層との間に中間層が生成したかどうかの結果を表1および図2にまとめた。
拡散浸透処理を行った鋼材を母材強化のためオーステンパー処理(830℃・60分保持後、310℃の塩浴に焼入れ)を行った。熱処理後、各試料の断面を顕微鏡により観察し、被膜割れの有無と中間層比率との関係について調べた。その結果を表2および図5に示す。なお、中間層比率は、母材上の全被膜の厚さに対する中間層の割合である。表2および図5より、中間層比率が16%以上の本発明例14〜20では、中間層による応力緩和の効果が十分であるため被膜の割れは確認されなかった。一方、中間層比率が16%未満の比較例9〜12では、中間層による応力緩和の効果が小さいため被膜が割れている。したがって、母材上の全被膜厚さに対し中間層の厚さが16%以上であれば、被膜の割れを防ぐことができることが判った。
Claims (5)
- 鉄系母材に、母材元素(Fe)と被覆種:A(AはCr,V,Ti,Nbの1種または2種以上)からなる複合炭化物 (Fe,A)Cからなる中間層を介してA炭化物層が被覆されていることを特徴とする摺動部材。
- 鋼部材に、鉄とクロムの複合炭化物(Fe,Cr)Cからなる中間層を介してクロム炭化物層が被覆されていることを特徴とする摺動部材。
- (クロム炭化物層+中間層)の厚さに対し、中間層の厚さが16%以上であることを特徴とする請求項2に記載の摺動部材。
- 前記中間層のCr濃度はクロム炭化物層へ向けて徐々に増加することを特徴とする請求項2または3に記載の摺動部材。
- 拡散浸透処理によって、鉄とクロムの複合炭化物(Fe,Cr)Cからなる中間層を介してクロム炭化物層を鋼部材に被覆する摺動部材の製造方法において、
鋼部材表面の組織がオーステナイト+セメンタイトの状態において前記拡散浸透処理を行うことを特徴とする摺動部材の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009279276A JP5652935B2 (ja) | 2009-12-09 | 2009-12-09 | 摺動部材 |
PCT/JP2010/072162 WO2011071124A1 (ja) | 2009-12-09 | 2010-12-09 | 摺動部材およびその製造方法 |
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JP2009279276A JP5652935B2 (ja) | 2009-12-09 | 2009-12-09 | 摺動部材 |
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JP2011122190A true JP2011122190A (ja) | 2011-06-23 |
JP5652935B2 JP5652935B2 (ja) | 2015-01-14 |
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JP2009279276A Active JP5652935B2 (ja) | 2009-12-09 | 2009-12-09 | 摺動部材 |
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WO (1) | WO2011071124A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160037909A (ko) | 2013-07-03 | 2016-04-06 | 보르그워너 인코퍼레이티드 | 슬라이딩 부재, 및 체인용 링크 및 당해 링크를 구비한 체인 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114657558A (zh) * | 2022-04-22 | 2022-06-24 | 济宁矿业集团海纳科技机电股份有限公司 | 具有改性表面的采煤机传动轴及加工方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5428240A (en) * | 1977-08-05 | 1979-03-02 | Seikosha Kk | Small size precision steel bearing and method of making same |
JPH09123145A (ja) * | 1995-10-26 | 1997-05-13 | Mishima Kosan Co Ltd | 舗装用コンクリートブロック製造用金型の製造方法 |
JP2002081508A (ja) * | 2000-07-20 | 2002-03-22 | Borgwarner Inc | サイレントチェーン |
WO2002070910A1 (en) * | 2001-03-02 | 2002-09-12 | Nsk Ltd. | Rolling device |
JP2008013820A (ja) * | 2006-07-06 | 2008-01-24 | Honda Motor Co Ltd | 耐摩耗性部品及びその製造方法 |
JP2008260995A (ja) * | 2007-04-11 | 2008-10-30 | Honda Motor Co Ltd | 摺動部品 |
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- 2009-12-09 JP JP2009279276A patent/JP5652935B2/ja active Active
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- 2010-12-09 WO PCT/JP2010/072162 patent/WO2011071124A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5428240A (en) * | 1977-08-05 | 1979-03-02 | Seikosha Kk | Small size precision steel bearing and method of making same |
JPH09123145A (ja) * | 1995-10-26 | 1997-05-13 | Mishima Kosan Co Ltd | 舗装用コンクリートブロック製造用金型の製造方法 |
JP2002081508A (ja) * | 2000-07-20 | 2002-03-22 | Borgwarner Inc | サイレントチェーン |
WO2002070910A1 (en) * | 2001-03-02 | 2002-09-12 | Nsk Ltd. | Rolling device |
JP2008013820A (ja) * | 2006-07-06 | 2008-01-24 | Honda Motor Co Ltd | 耐摩耗性部品及びその製造方法 |
JP2008260995A (ja) * | 2007-04-11 | 2008-10-30 | Honda Motor Co Ltd | 摺動部品 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160037909A (ko) | 2013-07-03 | 2016-04-06 | 보르그워너 인코퍼레이티드 | 슬라이딩 부재, 및 체인용 링크 및 당해 링크를 구비한 체인 |
US10208833B2 (en) | 2013-07-03 | 2019-02-19 | Borgwarner Inc. | Sliding member, chain link, and chain comprising said link |
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WO2011071124A1 (ja) | 2011-06-16 |
JP5652935B2 (ja) | 2015-01-14 |
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