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激光熔覆Ni/SiC金属陶瓷涂层组织与耐磨性能

Microstructure and Wear Resistance of Laser Clad Ni/SiC Ceramic Coating

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【Author】 XIE Song-jing 1 ,BAI Wan-jin 2 ,YAO Jian-hua 3 (1.Department of Auto Application,Zhejiang Technology Institute of Economy,Hangzhou Zhejiang 310018,China; 2.College of Mechanical and Energy Engineering,Zhejiang University,Hangzhou Zhejiang 310014,China; 3.Research Center Laser Processing Technology and Engineering,Zhejiang University of Technology, Hangzhou Zhejiang 310014,China)

【机构】浙江经济职业技术学院汽车应用系；浙江大学机械与能源工程学院；浙江工业大学激光加工技术工程研究中心浙江杭州310018；浙江杭州310022；浙江杭州310014；

【摘要】采用激光熔覆技术,在45钢表面对不同含量SiC(质量分数)陶瓷粉末镍基自熔性粉末进行激光熔覆,得到Ni基SiC合金涂层。对熔覆层横断面进行了显微硬度测量和显微组织分析,对各种SiC含量的熔覆层试样进行了摩擦磨损试验。结果表明,添加SiC的镍基合金涂层能够提高熔覆层的耐磨性和硬度。更多还原

【Abstract】 To clad self-fused Ni-based ceramic powder of different SiC composite (mass percentage) on the surface of 45 steel by laser cladding,Ni-based SiC coating can be formed.Measuring the hardness and analyzing the microstructure of cross section,testing the wear resistance of different composites of SiC were carried out.The results show that the wear resistance and hardness of coating can be enhanced by Ni based alloy coating added with SiC.更多还原

【关键词】激光熔覆；耐磨性；显微组织； SiC；
【Key words】 laser cladding； wear resistance； microstructure； SiC；

【文献出处】金属热处理 ,Heat Treatment of Metals , 编辑部邮箱 ,2006年11期

【分类号】TG174.44
【被引频次】40
【下载频次】487

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