| 氩弧熔覆钢表面WC/NiCo硬质覆层的组织与性能 |
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| 引用本文： | 李文虎.氩弧熔覆钢表面WC/NiCo硬质覆层的组织与性能[J].表面技术,2011(5):35-37. |
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| 作者姓名： | 李文虎 |
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| 作者单位： | 陕西理工学院材料科学与工程学院,汉中,723003 |
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| 摘 要： | 以碳化钨粉、镍粉、钴粉为原料,利用氩弧熔覆技术在Q235钢基体表面制备了WC质量分数分别为65％,70％,75％的WC/NiCo硬质覆层.用金相显微镜对覆层的显微组织和界面组织进行了分析,用显微硬度计和摩擦磨损试验机测试了覆层显微硬度和相对耐磨性.结果表明:氩弧熔覆的WC/NiCo覆层主要由WC硬质相、NiCo粘结相组...
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| 关 键 词： | 氩弧熔覆 覆层 显微硬度 相对耐磨性 |
Microstructure and Properties of WC/NiCo Cladding on Steel Matrix by Argon Arc Cladding |
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| LI Wen-hu.Microstructure and Properties of WC/NiCo Cladding on Steel Matrix by Argon Arc Cladding[J].Surface Technology,2011(5):35-37. |
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| Authors: | LI Wen-hu |
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| Affiliation: | LI Wen-hu(School of Material Science and Engineering,Shanxi University of Technology,Hanzhong 723003,China) |
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| Abstract: | WC/NiCo hard alloy cladding with 65%,70% and 75% WC were prepared on the surface of Q235 steel by means of argon arc cladding technique with powders of WC,Ni and Co.Microstructures of cladding and interface were investigated by means of metallurgical microscope.Vickers micro-hardness and relative wear resistance were tested by micro-hardness instrument and friction-wear test.The results show that the microstructure of NiCo based WC coating consists of WC particles and nickel cobalt based phase,which WC was ... |
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| Keywords: | argon arc cladding cladding micro-hardness relative wear resistance |
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