CN102705102B - 活塞环 - Google Patents
活塞环 Download PDFInfo
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- CN102705102B CN102705102B CN201210085186.6A CN201210085186A CN102705102B CN 102705102 B CN102705102 B CN 102705102B CN 201210085186 A CN201210085186 A CN 201210085186A CN 102705102 B CN102705102 B CN 102705102B
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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
- F02F5/00—Piston rings, e.g. associated with piston crown
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- 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
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/26—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction characterised by the use of particular materials
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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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0605—Carbon
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
-
- 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
- C23C28/044—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 coatings specially adapted for cutting tools or wear applications
-
- 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
- C23C28/40—Coatings including alternating layers following a pattern, a periodic or defined repetition
- C23C28/44—Coatings including alternating layers following a pattern, a periodic or defined repetition characterized by a measurable physical property of the alternating layer or system, e.g. thickness, density, hardness
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
本发明涉及一种活塞环,所述活塞环具有形成在其滑动表面上的碳基涂层,在所述活塞环中,所述碳基涂层是由两种类型的层构成的多层涂层,所述两种类型的层具有不同硬度,并且层叠在至少两层中,所述两种类型的层之间的硬度差是500至1700HV,高硬度层的厚度等于或大于低硬度层的厚度,并且所述碳基涂层的总厚度为5.0μm或更大。所述高硬度层的厚度为5至90nm。所述其上形成有所述碳基涂层的表面的基础材料粗糙度为1.0μmRz或更低。
Description
技术领域
本发明涉及一种用于内燃机的活塞环。
背景技术
已知碳基涂层作为具有低摩擦系数的涂层,但涂层应力较高并且发生自破碎,因此难以增大厚度。日本专利公开(A)No.2006-008853提出了一种具有低摩擦系数的碳基涂层,其由多层结构构成,最表面的层由软层构成,并且软层与硬层交替层叠,这使得容易得到平滑表面。
相关技术可参见日本专利公开(A)No.2006-008853。
日本专利公开(A)No.2006-008853并没有限定硬层与软层之间的硬度差。然而,在日本专利公开(A)No.2006-008853中,软层用作配合层,而硬层用作耐磨损层,因此,在示例1中,软层硬度为18GPa,硬层硬度为42GPa,在示例2中,软层硬度为20GPa,硬层硬度为41GPa。软层与硬层之间的硬度差较大。
发明内容
本发明的目的是提供一种设有碳基涂层的活塞环,所述碳基涂层具有低摩擦特性和优异的耐磨性。
本发明涉及一种具有碳基涂层的活塞环,所述碳基涂层形成在所述活塞环的滑动表面上,在所述活塞环中,所述涂层是层叠为至少两层的多层涂层,所述多层涂层由两种类型的层构成,所述两种类型的层具有不同的硬度,所述两种类型的层之间的硬度差为500至1700HV,高硬度层的厚度等于或大于低硬度层,并且所述涂层总厚度为5.0μm或更大。
优选地,高硬度层的厚度为5至90nm。
优选地,其上形成有涂层的表面的基础材料粗糙度为1.0μmRz或更低。
优选地,涂层的最表面的层为高硬度层。
优选地,涂层的低硬度层仅含有碳,或者含有碳且含有Cr或Ti。
本发明的有利效果在于,根据本发明的活塞环,通过使碳基涂层形成为硬度差为500至1700HV的两种类型的层的多层涂层,可以增大厚度,并且同时提供了低摩擦特性和优异的耐磨性。如果硬度差小于500HV,则涂层裂纹使得滑动表面变得粗糙,摩擦系数变大,并且对立材料的磨损也变大。如果硬度差变得大于1700HV,则滑动将使得低硬度层磨损,应力集中在高硬度层的表面释放部分处(参见图1B),涂层碎裂,摩擦系数变大,并且对立材料的磨损也变大。如果涂层的总厚度小于5.0μm,则耐磨性不足。
附图说明
本发明的这些和其它特征将从以下参照附图的说明而变得清楚,其中:
图1A至1C示出本发明的实施例,其中图1A是示出活塞环的一部分的纵向剖视图,图1B是涂层部分的放大剖视图,并且图1C是示出滑动后涂层表面的一部分的视图;以及
图2是往复磨损测试器的示意图。
具体实施方式
以下将参照附图解释本发明的优选实施例。
活塞环1具有形成在其外圆周上的碳基涂层2。碳基涂层2是由层叠为至少两层的多层涂层构成的DLC(类金刚石)涂层,所述多层涂层由两种类型的层A和B构成,所述两种类型的层A和B具有不同硬度。在图1A至1C中,所述两种类型的层A和B分别层叠在六层中。最表面的层是高硬度的层A。所述两种类型的层A和B之间的硬度差是500至1700HV。高硬度的层A(以下称为“高硬度层A”)的厚度为5至90nm,而低硬度的层B(以下称为“低硬度层B”)具有相同或更大的厚度。碳基涂层2的总厚度为5.0μm或更大。所述外圆周的基础材料粗糙度为1.0μmRz或更低。低硬度层B可含有Cr或Ti。如果含有Cr或Ti,则进一步增强与高硬度层A的附着性。
如果高硬度层A的厚度小于5nm,则无法充分地保证在滑动后在外圆周处暴露的低硬度层B和高硬度层A的所需宽度(参见图1C),油保持性降低,并且低摩擦效果变得不足。如果厚度变得大于90nm,则在滑动后在外圆周处暴露的低硬度层B和高硬度层A的宽度变得太大,发生涂层裂纹,摩擦系数变大,并且对立材料的磨损变大。如果外圆周的基础材料粗糙度大于1.0μmRz,则滑动将引起低硬度层B磨损,应力集中在高硬度层A的表面释放部分处(参见图1B),涂层碎裂,摩擦系数变大,并且对立材料的磨损也变大。如果最表面的层是高硬度层A,则对立材料的表面会迅速变得平滑。
上述碳基涂层2是使用PVD方法通过交替地进行喷溅(形成低硬度层B)和离子镀(形成高硬度层A)而形成的。层的厚度通过改变形成时间而调节,而硬度是通过改变偏置电压而调节。
以下将解释使用往复磨损测试器测量自磨损量、对立磨损量和摩擦系数的结果。
图2示出用于所述测试的往复磨损测试器的的示意图。通过保持块11保持销状顶部测试件10。液压缸12用于从上方施加向下的载荷,由此挤压底部测试件13。另一方面,平盘形的底部测试件13由可动块14保持,并且通过曲柄机构15而前后移动。附图标记16指示载荷单元。
测试条件如下:
载荷:100N
速度:600cpm/min
润滑油:5W-20
时间:1小时
顶部测试件:用于设有DLC涂层的活塞环的销状测试件
底部测试件:用于气缸套的薄板形石墨铸铁材料
虽然已经参照为了说明目的而选择的特定实施例描述了本发明,但很明显,本领域技术人员可以对本发明做出许多变型,而不脱离本发明的基本概念和范围。
Claims (5)
1.一种活塞环,所述活塞环具有形成在其滑动表面上的类金刚石碳涂层,在所述活塞环中,所述涂层是由两种类型的层构成的类金刚石碳涂层,所述两种类型的层具有不同硬度、并且交替地层叠在超过两层的多层中,所述两种类型的层之间的硬度差是500至1700HV,高硬度层的厚度等于或大于低硬度层的厚度,并且所述涂层的总厚度为5.0μm或更大。
2.根据权利要求1所述的活塞环,其特征在于,所述高硬度层的厚度为5至90nm。
3.根据权利要求1或2所述的活塞环,其特征在于,其上形成有所述涂层的表面的基础材料粗糙度为1.0μmRz或更低。
4.根据权利要求1或2所述的活塞环,其特征在于,所述涂层的最表面的层是高硬度层。
5.根据权利要求1或2所述的活塞环,其特征在于,所述涂层的低硬度层仅含有碳,或者含有碳且含有Cr或Ti。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2011069676A JP2012202522A (ja) | 2011-03-28 | 2011-03-28 | ピストンリング |
JP2011-069676 | 2011-03-28 |
Publications (2)
Publication Number | Publication Date |
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CN102705102A CN102705102A (zh) | 2012-10-03 |
CN102705102B true CN102705102B (zh) | 2016-03-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201210085186.6A Active CN102705102B (zh) | 2011-03-28 | 2012-03-28 | 活塞环 |
Country Status (7)
Country | Link |
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US (2) | US20120248711A1 (zh) |
EP (1) | EP2505685B1 (zh) |
JP (1) | JP2012202522A (zh) |
KR (1) | KR20120110041A (zh) |
CN (1) | CN102705102B (zh) |
BR (1) | BR102012006917B1 (zh) |
IN (1) | IN2012DE00922A (zh) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5794634B2 (ja) * | 2010-01-29 | 2015-10-14 | 日本ピストンリング株式会社 | ピストンリング |
DE102012020757A1 (de) * | 2012-10-23 | 2014-05-08 | Mahle International Gmbh | Bauteil mit einer Beschichtung und Verfahren zu seiner Herstellung |
DE102013200846A1 (de) * | 2013-01-21 | 2014-07-24 | Federal-Mogul Burscheid Gmbh | Gleitelement, insbesondere Kolbenring, mit einer Beschichtung |
US9863534B2 (en) | 2013-02-28 | 2018-01-09 | Nippon Piston Ring Co., Ltd. | Hard carbon coating film |
DE102014200607A1 (de) | 2014-01-15 | 2015-07-16 | Federal-Mogul Burscheid Gmbh | Gleitelement, insbesondere Kolbenring |
US10087513B2 (en) | 2014-01-31 | 2018-10-02 | Nippon Piston Ring Co., Ltd | Piston ring and manufacturing method therefor |
CN107208263B (zh) | 2015-01-29 | 2019-09-20 | 株式会社捷太格特 | 非晶态烃基膜、以及具有所述膜的滑动构件和滑动系统 |
US9551419B2 (en) * | 2015-04-22 | 2017-01-24 | Federal-Mogul Corporation | Coated sliding element |
JP6718452B2 (ja) | 2015-07-31 | 2020-07-08 | 日本ピストンリング株式会社 | ピストンリング及びその製造方法 |
JP6557342B2 (ja) | 2015-07-31 | 2019-08-07 | 日本ピストンリング株式会社 | ピストンリング及びその製造方法 |
US10458548B2 (en) | 2015-08-10 | 2019-10-29 | Nippon Itf, Inc. | Piston ring and method for manufacturing same |
US10634249B2 (en) * | 2015-08-10 | 2020-04-28 | Nippon Itf, Inc. | Piston ring and engine |
JP6343266B2 (ja) * | 2015-09-09 | 2018-06-13 | 株式会社リケン | 摺動部材及びピストンリング |
US11261519B2 (en) | 2015-12-18 | 2022-03-01 | Nippon Itf, Inc. | Coating film, manufacturing method therefor, and PVD apparatus |
BR102015032127B8 (pt) * | 2015-12-21 | 2022-09-27 | Mahle Metal Leve Sa | Elemento deslizante |
BR102016015392A2 (pt) * | 2016-06-30 | 2018-01-16 | Mahle Metal Leve S.A. | Sliding element for internal combustion engines |
JP6413060B1 (ja) * | 2017-05-11 | 2018-10-31 | 日本アイ・ティ・エフ株式会社 | 硬質炭素膜とその製造方法および摺動部材 |
WO2020004061A1 (ja) * | 2018-06-29 | 2020-01-02 | Tpr株式会社 | ピストンリング |
CN109355619A (zh) * | 2018-09-25 | 2019-02-19 | 安庆帝伯格茨活塞环有限公司 | 一种具有软硬相间类金刚石涂层的活塞环及制备方法 |
DE102018125631A1 (de) * | 2018-10-16 | 2020-04-16 | Schaeffler Technologies AG & Co. KG | Schichtsystem, Rollelement und Verfahren |
EP3650583A1 (en) * | 2018-11-08 | 2020-05-13 | Nanofilm Technologies International Pte Ltd | Ta-c based coatings with improved hardness |
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JP2000120870A (ja) | 1998-10-15 | 2000-04-28 | Teikoku Piston Ring Co Ltd | ピストンリング |
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2011
- 2011-03-28 JP JP2011069676A patent/JP2012202522A/ja active Pending
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2012
- 2012-03-02 EP EP20120157919 patent/EP2505685B1/en active Active
- 2012-03-26 US US13/429,934 patent/US20120248711A1/en not_active Abandoned
- 2012-03-26 KR KR1020120030493A patent/KR20120110041A/ko not_active Application Discontinuation
- 2012-03-28 IN IN922DE2012 patent/IN2012DE00922A/en unknown
- 2012-03-28 BR BR102012006917-2A patent/BR102012006917B1/pt active IP Right Grant
- 2012-03-28 CN CN201210085186.6A patent/CN102705102B/zh active Active
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2015
- 2015-01-30 US US14/610,006 patent/US9175771B2/en active Active
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CN101432462A (zh) * | 2005-08-18 | 2009-05-13 | 贝卡尔特股份有限公司 | 用包含四面体碳层和较软外层的多层结构涂覆的基底 |
CN101526046A (zh) * | 2008-03-04 | 2009-09-09 | 日产自动车株式会社 | 活塞环 |
WO2011018252A1 (de) * | 2009-08-13 | 2011-02-17 | Federal-Mogul Burscheid Gmbh | Gleitelement, insbesondere kolbenring, mit einer beschichtung |
DE102009046281B3 (de) * | 2009-11-02 | 2010-11-25 | Federal-Mogul Burscheid Gmbh | Gleitelement, insbesondere Kolbenring, und Kombination eines Gleitelements mit einem Laufpartner |
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US20150137457A1 (en) | 2015-05-21 |
KR20120110041A (ko) | 2012-10-09 |
BR102012006917A2 (pt) | 2013-06-04 |
CN102705102A (zh) | 2012-10-03 |
IN2012DE00922A (zh) | 2015-09-04 |
EP2505685A1 (en) | 2012-10-03 |
JP2012202522A (ja) | 2012-10-22 |
EP2505685B1 (en) | 2015-05-06 |
BR102012006917B1 (pt) | 2021-04-20 |
US9175771B2 (en) | 2015-11-03 |
US20120248711A1 (en) | 2012-10-04 |
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