热喷涂NiCrBSi基耐磨涂层的研究进展
Progress of Thermal Sprayed NiCrBSi Based Wear-resistant Coatings
查看参考文献57篇
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文摘
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磨损失效是工业生产及材料使用寿命最主要的消耗方式之一,通过热喷涂表面涂层技术提高摩擦副表面摩擦磨损性能受到越来越多的关注。作为一种重要的表面处理技术,热喷涂在防腐、耐磨等方面均有出色的表现。NiCrBSi是以Ni、Cr为主要组元的Ni基自熔性合金,近年来,NiCrBSi基涂层在制备方法、性能表征和应用推广等方面都取得了重要进展。本文主要论述了热喷涂NiCrBSi和NiCrBSi-Mo涂层的自润滑性能、NiCrBSi-碳化物涂层的硬质相增强效果、NiCrBSi-氧化物涂层综合性能等方向的研究现状,分别对火焰重熔、激光重熔、炉内重熔及感应重熔NiCrBSi基涂层的原理、特点及相关应用实例进行了阐述,分析了这四种后处理重熔态涂层结构与磨损性能,着重比较添加组元和重熔工艺对涂层的组织结构、力学性能和耐磨损性能等方面的影响规律,并阐明了各自在机理上的异同。最后总结了NiCrBSi基耐磨涂层研究面临的主要问题,并针对这些问题,从材料、工艺和后处理方面提出了三点展望性建议。 |
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其他语种文摘
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Wear failure is one of the most common consumption patterns during industrial production and material life. Using thermal spray technology to improve friction and wear properties of friction pair surface has attracted increasing attention. As an important surface technology, thermal spray has good application in the area of corrosion, wear, etc. NiCrBSi is a kind of Ni-based self-fluxing alloy in which Ni and Cr are main components. In recent years, researches on NiCrBSi based coatings have made important progress in preparation, characterization and application. The first part of this article gave a detailed investigation of state of the art of Ni-based alloys, mainly discussed the research status on pure NiCrBSi coatings, self-lubricating properties of NiCrBSi-Mo coatings, hard phase enhancement of NiCrBSi-carbide coatings, comprehensive performances of NiCrBSi-oxide coatings. The second part presented the principles, characteristics and applications of flame, laser, furnace, inducting remelted NiCrBSi coatings. In this part, the effect of post-treatment on coating microstructure and wear performance was also taken into account. Meanwhile the effects of adding component and remelting processes on coating structure, mechanical properties and wear resistance performance were compared in order to clarify the wear mechanism. Finally, the main problems existing in NiCrBSi based wear-resistant coa-tings were summarized. Three suggestions from the viewpoints of materials, process and post-treatment were prospected. |
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来源
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表面技术
,2016,45(2):109-117,174 【扩展库】
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DOI
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10.16490/j.cnki.issn.1001-3660.2016.02.017
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关键词
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热喷涂
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NiCrBSi
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复合涂层
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耐磨
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熔覆
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后处理
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地址
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1.
扬州大学机械工程学院, 扬州, 225127
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中国科学院兰州化学物理研究所, 固体润滑国家重点实验室, 兰州, 730000
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-3660 |
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学科
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金属学与金属工艺 |
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文献收藏号
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CSCD:5635336
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