CN108266287A - 一种活塞环的耐磨涂层 - Google Patents
一种活塞环的耐磨涂层 Download PDFInfo
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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
- 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
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
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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
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer
- C23C28/3455—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer with a refractory ceramic layer, e.g. refractory metal oxide, ZrO2, rare earth oxides or a thermal barrier system comprising at least one refractory oxide layer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
- F04B39/041—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod
- F04B39/042—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod sealing being provided on the piston
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
本发明公开了一种活塞环的耐磨涂层,由四层结构构成,内而外依次包括粘结层、主耐磨层、辅耐磨层和缓冲层;所述主耐磨层为CrAlN层和WS2层交替构成的CrAlN/WS2多层涂层,辅耐磨层为Cr层和CrO层交替构成的Cr/CrO多层涂层。本发明的优点在于:具有优异的力学、摩擦学和耐腐蚀性能,降低摩擦磨损对能量的消耗,改善燃油经济性和减少CO2的排放;其中,采用具有高硬度和低摩擦系数的CrAlN/WS2多层涂层作为主耐磨层,更进一步提高发动机工作的稳定性及使用寿命。
Description
技术领域
本发明涉及耐磨涂层技术领域,尤其涉及一种活塞环的耐磨涂层。
背景技术
活塞环是内燃机或活塞式压缩机上的活塞的密封元件,例如。在内燃机中,活塞环密封相对于燃烧室的活塞头和汽缸壁之间的间隙。当活塞上下移动时,活塞环的外周面沿着气缸壁滑动,以恒定的弹性与其接触,并在同一时间,由于活塞的倾斜运动,活塞环在其活塞环槽中振荡,以使环的侧面交替地与活塞环槽的上部和下部的侧面接触。在每一情况下,摩擦体相对滑动,一定量的磨损不可避免地发生,这可能差不多主要取决于材料,如果部件未被润滑,这可能会导致划痕,最终损坏发动机。
对于制造承受重应力的内燃机部件来说,如活塞环,最常用的材质有铸铁和铸铁合金。活塞环,尤其是压缩环,其在高应力内燃发动机内,如四冲程和两冲程发动机内,不断遭到增加负载。这样的负载包括最高压缩压力,高的燃烧温度,活塞环上的润滑油膜的减少,所有这些都对功能性能,如耐磨性,耐擦伤性,微型焊接和耐腐蚀性能具有显著的影响。
高点火压力,低排放和燃油直喷呈现进一步加剧活塞环上的负载。其后果是损害活塞的材料和镀层。
为了进一步改善活塞环相对于气缸壁的滑动和磨损特性,它们的外周表面设有多种材料的涂层。
然而,目前的涂层还存在很多弊端,其耐磨性还远远不能满足未来发动机的要求,就耐磨损,抗擦伤而言,装设具有这种涂层的活塞环不是理想的。
发明内容
本发明的目的在于克服现有技术的不足,提供了一种高效耐磨的活塞环的耐磨涂层。
本发明是通过以下技术方案实现的:一种活塞环的耐磨涂层,由四层结构构成,内而外依次包括粘结层、主耐磨层、辅耐磨层和缓冲层;所述主耐磨层为CrAlN层和WS2层交替构成的CrAlN/WS2多层涂层,辅耐磨层为Cr层和CrO层交替构成的Cr/CrO多层涂层。
作为本发明的优选方式之一,所述CrAlN/WS2多层涂层的靠近粘结层的涂层为CrAlN层,最外层为WS2层。
作为本发明的优选方式之一,所述CrAlN/WS2多层涂层的厚度为5-10μm,其中,每一CrAlN层的厚度为10nm,每一WS2层的厚度为1-2.5nm。
作为本发明的优选方式之一,所述Cr/CrO多层涂层的靠近主耐磨层的涂层为Cr层,最外层为CrO层。
作为本发明的优选方式之一,所述Cr/CrO多层涂层的厚度为2.5-5μm,其中,每一Cr层的厚度为5nm,每一CrO层的厚度为0.5-1nm。
作为本发明的优选方式之一,所述粘结层涂覆于活塞环基体外表面,为过渡金属Cr层。
作为本发明的优选方式之一,所述过渡金属Cr层的厚度为1-2μm。
作为本发明的优选方式之一,所述缓冲层涂覆于辅耐磨层外表面,为铜层。
作为本发明的优选方式之一,所述铜层的厚度为2-5μm。
本发明相比现有技术的优点在于:本发明的涂层具有优异的力学、摩擦学和耐腐蚀性能,降低摩擦磨损对能量的消耗,改善燃油经济性和减少CO2的排放;其中,更是采用具有高硬度和低摩擦系数的CrAlN/WS2多层涂层作为主耐磨层,进一步提高发动机工作的稳定性及使用寿命。
附图说明
图1是实施例1中的活塞环的耐磨涂层的结构示意图。
图中:1为粘结层,2为主耐磨层,3为辅耐磨层,4为缓冲层,5为活塞环基体。
具体实施方式
下面对本发明的实施例作详细说明,本实施例在以本发明技术方案为前提下进行实施,给出了详细的实施方式和具体的操作过程,但本发明的保护范围不限于下述的实施例。
实施例1
如图1所示,本实施例的一种活塞环的耐磨涂层,由四层结构构成,内而外依次包括粘结层1、主耐磨层2、辅耐磨层3和缓冲层4。其中,粘结层1涂覆于活塞环基体5外表面,为过渡金属Cr层,厚度为1-2μm;主耐磨层2涂覆于粘结层1外表面,为CrAlN/WS2多层涂层,厚度为5-10μm;辅耐磨层3涂覆于主耐磨层2外表面,为Cr/CrO多层涂层,厚度为2.5-5μm;缓冲层4涂覆于辅耐磨层3外表面,为铜层,厚度为2-5μm。
进一步地,主耐磨层2为CrAlN层和WS2层交替构成的CrAlN/WS2多层涂层,其靠近粘结层1的涂层为CrAlN层,最外层为WS2层;每一CrAlN层的厚度为10nm,每一WS2层的厚度为1-2.5nm。
进一步地,辅耐磨层3为Cr层和CrO层交替构成的Cr/CrO多层涂层,其靠近主耐磨层2的涂层为Cr层,最外层为CrO层;每一Cr层的厚度为5nm,每一CrO层的厚度为0.5-1nm。
本实施例的活塞环的耐磨涂层的优点在于:具有优异的力学、摩擦学和耐腐蚀性能,降低摩擦磨损对能量的消耗,改善燃油经济性和减少CO2的排放;其中,更是采用具有高硬度和低摩擦系数的CrAlN/WS2多层涂层作为主耐磨层2,进一步提高发动机工作的稳定性及使用寿命。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。
Claims (9)
1.一种活塞环的耐磨涂层,其特征在于,由四层结构构成,内而外依次包括粘结层、主耐磨层、辅耐磨层和缓冲层;所述主耐磨层为CrAlN层和WS2层交替构成的CrAlN/WS2多层涂层,辅耐磨层为Cr层和CrO层交替构成的Cr/CrO多层涂层。
2.根据权利要求1所述的活塞环的耐磨涂层,其特征在于,所述CrAlN/WS2多层涂层的靠近粘结层的涂层为CrAlN层,最外层为WS2层。
3.根据权利要求1所述的活塞环的耐磨涂层,其特征在于,所述CrAlN/WS2多层涂层的厚度为5-10μm,其中,每一CrAlN层的厚度为10nm,每一WS2层的厚度为1-2.5nm。
4.根据权利要求1所述的活塞环的耐磨涂层,其特征在于,所述Cr/CrO多层涂层的靠近主耐磨层的涂层为Cr层,最外层为CrO层。
5.根据权利要求1所述的活塞环的耐磨涂层,其特征在于,所述Cr/CrO多层涂层的厚度为2.5-5μm,其中,每一Cr层的厚度为5nm,每一CrO层的厚度为0.5-1nm。
6.根据权利要求1所述的活塞环的耐磨涂层,其特征在于,所述粘结层涂覆于活塞环基体外表面,为过渡金属Cr层。
7.根据权利要求6所述的活塞环的耐磨涂层,其特征在于,所述过渡金属Cr层的厚度为1-2μm。
8.根据权利要求1所述的活塞环的耐磨涂层,其特征在于,所述缓冲层涂覆于辅耐磨层外表面,为铜层。
9.根据权利要求8所述的活塞环的耐磨涂层,其特征在于,所述铜层的厚度为2-5μm。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102418620A (zh) * | 2011-12-22 | 2012-04-18 | 江铃汽车股份有限公司 | 一种pvd铬基陶瓷复合镀层的活塞环 |
CN103573462A (zh) * | 2012-07-25 | 2014-02-12 | 常州南车柴油机零部件有限公司 | 活塞环 |
CN104603317A (zh) * | 2012-09-14 | 2015-05-06 | 联邦摩高布尔沙伊德公司 | 用于活塞环的耐磨涂层 |
CN105728274A (zh) * | 2014-12-10 | 2016-07-06 | 常州南车柴油机零部件有限公司 | 一种活塞环填充涂层填充装置 |
CN206346839U (zh) * | 2016-12-29 | 2017-07-21 | 比尔安达(上海)润滑材料有限公司 | 涂覆高硬度低摩擦系数涂层的活塞环 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102418620A (zh) * | 2011-12-22 | 2012-04-18 | 江铃汽车股份有限公司 | 一种pvd铬基陶瓷复合镀层的活塞环 |
CN103573462A (zh) * | 2012-07-25 | 2014-02-12 | 常州南车柴油机零部件有限公司 | 活塞环 |
CN104603317A (zh) * | 2012-09-14 | 2015-05-06 | 联邦摩高布尔沙伊德公司 | 用于活塞环的耐磨涂层 |
CN105728274A (zh) * | 2014-12-10 | 2016-07-06 | 常州南车柴油机零部件有限公司 | 一种活塞环填充涂层填充装置 |
CN206346839U (zh) * | 2016-12-29 | 2017-07-21 | 比尔安达(上海)润滑材料有限公司 | 涂覆高硬度低摩擦系数涂层的活塞环 |
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