| 激光熔覆涂层的组织特点与裂纹产生的机理探讨 |
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| 引用本文： | 余宪海,杨世柏.激光熔覆涂层的组织特点与裂纹产生的机理探讨[J].广州航海高等专科学校学报,2005,13(2):1-4. |
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| 作者姓名： | 余宪海 杨世柏 |
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| 作者单位： | 1. 广州航海高等专科学校轮机系,广东,广州,510725
2. 武汉理工大学,电镜中心,湖北,武汉,430063 |
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| 摘 要： | 碳钢、铸铁表面分别采用激光熔覆N i基、Fe基合金涂层,观察并分析了熔覆涂层界面及其显微组织和硬度特点,探讨了碳钢表面激光熔覆层裂纹产生的机理.
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| 关 键 词： | 激光熔覆 熔覆裂纹 残余应力 显微组织 |
| 文章编号： | 1009-8526(2005)02-0001-04 |
| 收稿时间： | 09 8 2005 12:00AM |
| 修稿时间： | 2005年9月8日 |
DISCUSSION ON STRUCTURE CHARACTERISTICS AND CRACKING MECHANISM OF LASER CLADDING |
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| YU Xian-hai,YANG Shi-bo.DISCUSSION ON STRUCTURE CHARACTERISTICS AND CRACKING MECHANISM OF LASER CLADDING[J].Journal of Guangzhou Maritime College,2005,13(2):1-4. |
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| Authors: | YU Xian-hai YANG Shi-bo |
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| Institution: | 1. Department of Marine Engineer, Guangzhou Maritime College, Guangzhou 510725, China ; 2. Electronic Microscope Center,Wuhan University of Technology, Wuhan 430063, China |
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| Abstract: | The surfaces of steel and cast iron are coated with Ni-alloy or Fe-alloy laser cladding.The microstructure and hardness of their interface and surfaces of laser cladding are investigated.The cracking mechanism on the cladding surfaces is studied. |
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| Keywords: | laser cladding cladding layer cracking residual stress microstructure |
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