| SiCp/6061Al复合材料激光表面熔化及合金化显微组织与耐蚀性 |
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| 引用本文： | 王华明,ShabanAbdulkarem,洪伟强,于利根.SiCp/6061Al复合材料激光表面熔化及合金化显微组织与耐蚀性[J].应用激光,1999(5). |
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| 作者姓名： | 王华明 ShabanAbdulkarem 洪伟强 于利根 |
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| 作者单位： | 北京航空航天大学材料系激光加工与表面工程实验室!北京 100083(王华明，洪伟强，于利根)，京航空航天大学材料系激光加工与表面工程实验室!北京 100083(ShabanAbdulkarem) |
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| 摘 要： | 为提高颗粒增强铝基复合材料耐蚀性，对ＳｉＣｐ／６０６１Ａｌ复合材料进行激光表面熔化和激光表面合金化。结果表明：激光表面熔化后，因熔化层中形成大量耐蚀性低的针状Ａｌ_４Ｃ_３相及Ａｌ_４ＳｉＣ相而使激光表面熔化层耐蚀性降低，以Ｎｉ－Ｃｒ－Ｂ粉末为原料对ＳｉＣｐ／６０６１Ａｌ复合材料进行激光表面合金化后，合金层耐蚀性明显提高。
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| 关 键 词： | SiCp/6061Al复合材料 耐蚀性 激光表面熔化 激光表面合金化 |
Microstructure and Corrosion Resistance of Laser Surface Melted and Laser Surface Alloyed SiCp/6061Al Metal Matrix Composite |
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| Wang Huaming,Wang H. M.,Shaban Abdulkarem,Hong Weiqiang,Yu Ligen.Microstructure and Corrosion Resistance of Laser Surface Melted and Laser Surface Alloyed SiCp/6061Al Metal Matrix Composite[J].Applied Laser,1999(5). |
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| Authors: | Wang Huaming Wang H M Shaban Abdulkarem Hong Weiqiang Yu Ligen |
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| Abstract: | Laser surface melting and laser surface alloying with Ni-Cr-B powders are utilized to improve the corrosion resistance of SiC particle reinforced aluminum alloy metal matrix composite (SiCp/6061Al MMC). Results show that the corrosion resistance of SiCp/6061Al is slightly decreased after laser surface melting treatment due to the formation of the Al_4C_3 and Al_4SiC needle-like phases in the laser melted zone. The corrosion resistance of the SiCp/6061Al composite is substantially enhanced after surface alloying with Ni -Cr -B powders. |
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| Keywords: | SiCp/6061Al MMC corrosion resistance laser surface melting laser surface alloying |
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