| Welding of SiC particle reinforced 6061 Al matrix composite with pulsed TIG |
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| 引用本文： | 陈茂爱,武传松,高进强. Welding of SiC particle reinforced 6061 Al matrix composite with pulsed TIG[J]. 中国有色金属学会会刊, 2002, 12(5): 805-810 |
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| 作者姓名： | 陈茂爱 武传松 高进强 |
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| 作者单位： | The Key Laboratory of Liquid Structure and Heredity of Materials，Ministry of Education，Shandong University，Ji′nan 250061，China |
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| 摘 要： | 1 INTRODUCTIONDiscontinuously(particle,whiskerandshortfiber)reinforcedaluminumalloycompositeshavebecomeanattractivestructuralmaterialformanyindustrialfieldsowingtoitsexcellentproperties(e.g.highspecificstrength,highspecificstiffnessandgoodwearresistance)…
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| 关 键 词： | SiCp/6061Al 碳化硅 6061铝 复合物 焊料 晶粒强化 界面反应 铝合金 |
Welding of SiC particle reinforced 6061 Al matrix composite with pulsed TIG |
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| CHEN Mao-ai,WU Chuan-song,GAO Jin-qiang. Welding of SiC particle reinforced 6061 Al matrix composite with pulsed TIG[J]. Transactions of Nonferrous Metals Society of China, 2002, 12(5): 805-810 |
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| Authors: | CHEN Mao-ai WU Chuan-song GAO Jin-qiang |
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| Abstract: | SiC p/6061Al alloy composite was welded by using TIG and pulsed-TIG welding (P-TIG) without addition of filler metal, or with addition of Al-Si or Al-Mg filler metal. The microstructure and properties of the weld were investigated with XRD, OM, TEM, and MTS-810 testing system was used to observe the effect of different welding procedure and filler metals on the microstructure and properties of the weld. Thermodynamic of SiC-Al reaction was used to analyze the tendency of the reaction between SiC particle and Al matrix during welding. The results showed that the P-TIG tends to produce less plate-like Al 4C 3 precipitates than TIG; when welding with P-TIG, addition of Al-Si filler metal can not only prevent from formation of Al 4C 3, but also decrease hot crack sensitivity of weld; the tensile strength of joint of adding Al-Si filler metal is higher than that of adding Al-Mg filler metal. The SiC p/6061Al composite can be successfully welded by P-TIG with addition of Al-Si filler metal. |
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| Keywords: | SiC p/6061Al composite P-TIG interfacial reaction filler metal |
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