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1060铝钎缝耐腐蚀性分析

龙飞, 胡庆贤, 张子雄, 苏莉

龙飞, 胡庆贤, 张子雄, 苏莉. 1060铝钎缝耐腐蚀性分析[J]. 焊接学报, 2015, 36(7): 30-34.
引用本文: 龙飞, 胡庆贤, 张子雄, 苏莉. 1060铝钎缝耐腐蚀性分析[J]. 焊接学报, 2015, 36(7): 30-34.
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LONG Fei, HU Qingxian, ZHANG Zixiong, SU Li. Corrosion resistance of 1060 aluminum brazed seam[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2015, 36(7): 30-34.
Citation: LONG Fei, HU Qingxian, ZHANG Zixiong, SU Li. Corrosion resistance of 1060 aluminum brazed seam[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2015, 36(7): 30-34.
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1060铝钎缝耐腐蚀性分析

  • 江苏科技大学 江苏省先进焊接技术重点实验室, 镇江 212003

基金项目: 国家自然科学基金资助项目(51205176);新型钎焊材料与技术国家重点实验室开放课题资助项目(SKLABFMT-201304);江苏科技大学本科生创新计划资助项目;江苏省大学生创新计划重点资助项目

Corrosion resistance of 1060 aluminum brazed seam

  • Jiangsu Province Key Laboratory of Advanced Welding Technology, Jiangsu University of Science and Technology, Zhenjiang 212003, China

摘要

    摘要
  • 摘要: 以1060纯铝作为母材,选取Zn-Al-Ag,Zn-Al,Sn-Zn,Zn-Cd-Ag等4种钎料,采用氧乙炔火焰钎焊工艺制备钎焊接头,采用盐浴浸泡方法加速腐蚀,分析了4种钎缝的耐腐蚀性. 通过宏观形貌观察、极化曲线测试、失重分析和显微组织观测,综合评价了钎缝的耐腐蚀性. 结果表明,在所分析的3个合金系中,Zn-Al系钎料钎缝耐腐蚀性能较好,Zn-Cd-Ag钎缝耐腐蚀性次之,Sn-Zn钎缝的耐腐蚀性最差. 对盐浴腐蚀而言,Zn82Al13Ag5比Zn98Al更耐腐蚀. 而对于电化学腐蚀而言,银的加入能够进一步提高Zn-Al系钎料钎缝的耐腐蚀性能.
    Abstract: The corrosion resistance of 1060 aluminum beam brazed with Zn-Al-Ag, Zn-Al, Sn-Zn and Zn-Cd solders by means of oxygen-acetylene torch brazing was investigated. The corrosion of brazed seam was accelerated by immersing in salt bath. The corrosion resistance of 1060 aluminum brazed seams was evaluated by testing the polarization curve, analyzing weight loss and microstructure. It is found that the corrosion resistance of brazed seams with Zn-Al series filler metal is the best, and the corrosion resistance with Sn-Zn filler metal is the worst. The corrosion resistance of Zn82Al13Ag5 is better than that of Zn98Al immersed in salt bath, while the corrosion resistance of the brazed seam with Zn-Al filler metal is enhanced by adding Ag element in polarization curve test.
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    • 参考文献(5)
  • [1] 董 鹏, 孙大千, 李洪梅, 等. 6005A铝合金搅拌摩擦焊接头的晶间腐蚀行为[J]. 焊接学报, 2014, 35(5): 105-108. Dong Peng, Sun Daqian, Li Hongmei, et al. Intergranular corrosion behaviour of friction stir welded joints of 6005A aluminium alloy[J]. Transactions of the China Welding Institution, 2014, 35(5): 105-108.
    [2] 陈学定, 宋 强, 俞伟元, 等. 铝基钎料真空钎焊接头的腐蚀性[J]. 焊接学报, 2003, 24(1): 40-43. Chen Xueding, Song Qiang, Yu Weiyuan, et al. Corrosion of brazed joints with aluminum-based filler metals in vacuum[J]. Transactions of the China Welding Institution, 2003, 24(1): 40-43.
    [3] 王 冠, 李远波, 郭钟宁, 等. 汽车散热器新型铝合金钎焊接头腐蚀行为的分析[J]. 焊接学报, 2011, 32(6): 25-28. Wang Guan, Li Yuanbo, Guo Zhongning, et al. Research on corrosion of automobile condenser brazed with novel aluminium alloys[J]. Transactions of the China Welding Institution, 2011, 32(6): 25-28.
    [4] Shawkret A, Huang W D, Sheng M, et al. Joint shape, microstructure, and shear strength of lead-free solder joints with different component terminations[J]. Journal of Electronic Materials, 2002, 31(2): 136-141.
    [5] Ouyang J H, Yarrapareddy E, Kovacevic R. Microstructural evolution in the friction stir welded 6061 aluminum alloy (T6-temper condition) to copper[J]. Journal of Materials Processing Technology, 2005, 172(1): 110-122.
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  • 收稿日期:  2015-04-16

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