ZL104合金氩弧熔覆Cu基复合涂层
Cu-based composite coating by argon arc cladding on ZL104 alloy
芦庆 1李玉新 1孟君晟2
作者信息
- 1. 中北大学材料科学与工程学院,山西太原030051
- 2. 黑龙江科技大学材料科学与工程学院,黑龙江哈尔滨150027
- 折叠
摘要
为了研究(Ni60A+ Si)粉末的质量分数、电流和熔覆速度对熔覆层组织和性能的影响,用Ni60A粉末、Cu粉末和Si粉末通过氩弧熔覆在ZL104合金上.利用电子扫描显微镜和X射线衍射仪分析熔覆层的显微组织、颗粒分布以及物相组成,利用显微硬度计和摩擦磨损试验机测试涂层的性能.结果表明,熔覆层的耐磨性、显微硬度和均匀性取决于(Ni60A+ Si)粉末在混合物中的比例.实验获得表面光滑、界面结合良好和无裂纹的熔覆层,其显微硬度为390 ～680 HV,滑动摩擦系数为0.52 ～0.3.
Abstract
In order to study the effect of mass fraction of (Ni60A + Si) powder,cladding current and speed on microstructure and properties of the composite layer,Ni60A power,Cu powder and Si powder were cladded by argon arc cladding on ZL104 alloy.The microstructure,particles distribution and the phase of the layer were analyzed by scanning electron microscopy (SEM),X-ray diffraction.The properties of the clad layer were examined by microhardness tester and friction wear testing machine.The results show that clad layer properties such as wear resistance,microhardness and homogeneity are determined by the percentage of (Ni60A + Si) mixed powder.Smooth surface,good interface bonding and no-crack cladding layers are obtained by experiment,the microhardness of the layers is between 390 and 680 HV,and glide frictional coefficient is between 0.52 and 0.3.
关键词
氩弧熔覆/(Cu,Ni)固溶体/显微组织/耐磨性/显微硬度Key words
argon arc cladding/(Cu, Ni) solid solution/microstructure/wear resistance/microhardness引用本文复制引用
基金项目
山西省青年科学基金(2010021022-2)
出版年
2014
NETL
NSTL
维普
万方数据