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材料工程  2016, Vol. 44 Issue (6): 110-116    DOI: 10.11868/j.issn.1001-4381.2016.06.017
  测试与表征 本期目录 | 过刊浏览 | 高级检索 |
激光熔覆WC/Ni基复合涂层高温滑动干摩擦磨损性能
杨胶溪, 张健全, 常万庆, 王艳芳, 陈虹, 王喜兵
北京工业大学 激光工程研究院, 北京 100124
High Temperature Dry Sliding Friction and Wear Performance of Laser Cladding WC/Ni Composite Coating
YANG Jiao-xi, ZHANG Jian-quan, CHANG Wan-qing, WANG Yan-fang, CHEN Hong, WANG Xi-bing
Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China
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摘要 利用激光熔覆技术制备微米团聚和块状两种不同类型WC/Ni基复合涂层。在MMG-10型摩擦磨损试验机上对涂层进行高温滑动干摩擦磨损实验,并用SEM和EDS对涂层进行磨损形貌观察和成分分析。结果表明,激光熔覆WC/Ni基复合涂层高温磨损性能随着WC含量增加而提高,WC形态为微米团聚质量分数为60%的复合涂层具有优良的高温耐磨性能。高温下60%WC/Ni基复合涂层主要磨损机制由低温下的磨料磨损转变为氧化磨损和磨料磨损复合作用。
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杨胶溪
张健全
常万庆
王艳芳
陈虹
王喜兵
关键词 激光熔覆复合涂层碳化钨高温滑动干摩擦磨损性能    
Abstract:Two different types of agglomerate and angular WC/Ni matrix composite coatings were deposited by laser cladding. The high temperature wear resistance of these composite coatings was tested with a ring-on-disc MMG-10 apparatus. The morphologies of the worn surfaces were observed using a scanning electron microscopy (SEM) equipped with an energy dispersive spectroscopy (EDS) for elemental composition. The results show that the high temperature wear resistance of the laser clad WC/Ni-based composite coatings is improved significantly with WC mass fraction increasing. The 60% agglomerate WC/Ni composite coating has optimal high temperature wear resistance. High temperature wear mechanism of 60% WC/Ni composite coating is from abrasive wear of low temperature into composite function of the oxidation wear and abrasive wear.
Key wordslaser cladding    composite coating    tungsten carbide    high temperature sliding dry friction    wear resistance
收稿日期: 2015-03-15      出版日期: 2016-06-13
1:  TG146.2+3  
通讯作者: 杨胶溪(1971-),男,副研究员,博士,主要从事激光熔覆成形及表面改性技术的研究及应用,联系地址:北京市朝阳区平乐园100号北京工业大学激光工程研究院(100124),E-mail:yangjiaoxi@bjut.edu.cn     E-mail: yangjiaoxi@bjut.edu.cn
引用本文:   
杨胶溪, 张健全, 常万庆, 王艳芳, 陈虹, 王喜兵. 激光熔覆WC/Ni基复合涂层高温滑动干摩擦磨损性能[J]. 材料工程, 2016, 44(6): 110-116.
YANG Jiao-xi, ZHANG Jian-quan, CHANG Wan-qing, WANG Yan-fang, CHEN Hong, WANG Xi-bing. High Temperature Dry Sliding Friction and Wear Performance of Laser Cladding WC/Ni Composite Coating. Journal of Materials Engineering, 2016, 44(6): 110-116.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2016.06.017      或      http://jme.biam.ac.cn/CN/Y2016/V44/I6/110
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