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Zr含量对Ti-Zr-Cu-Ni钎料及钎焊接头性能的影响

郭伟 齐丹 杨建军 李飞 华永平 虞文军

郭伟, 齐丹, 杨建军, 等 . Zr含量对Ti-Zr-Cu-Ni钎料及钎焊接头性能的影响[J]. 北京航空航天大学学报, 2015, 41(11): 2029-2035. doi: 10.13700/j.bh.1001-5965.2014.0774
引用本文: 郭伟, 齐丹, 杨建军, 等 . Zr含量对Ti-Zr-Cu-Ni钎料及钎焊接头性能的影响[J]. 北京航空航天大学学报, 2015, 41(11): 2029-2035. doi: 10.13700/j.bh.1001-5965.2014.0774
GUO Wei, QI Dan, YANG Jianjun, et al. Effect of Zr content on properties of Ti-Zr-Cu-Ni filler metal and its brazed joint[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(11): 2029-2035. doi: 10.13700/j.bh.1001-5965.2014.0774(in Chinese)
Citation: GUO Wei, QI Dan, YANG Jianjun, et al. Effect of Zr content on properties of Ti-Zr-Cu-Ni filler metal and its brazed joint[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(11): 2029-2035. doi: 10.13700/j.bh.1001-5965.2014.0774(in Chinese)

Zr含量对Ti-Zr-Cu-Ni钎料及钎焊接头性能的影响

doi: 10.13700/j.bh.1001-5965.2014.0774
基金项目: 国家自然科学基金(50705050);国家国际科技合作专项基金(2013DFR50590);中央高校基本科研业务费专项资金
详细信息
    通讯作者:

    郭伟(1976-),男,河北保定人,副教授,gwei@buaa.edu.cn,主要研究方向为先进材料的焊接.

  • 中图分类号: TG425

Effect of Zr content on properties of Ti-Zr-Cu-Ni filler metal and its brazed joint

  • 摘要: 采用电弧熔炼方法制备Ti-5Zr-15Cu-15Ni、Ti-10Zr-15Cu-15Ni、Ti-15Zr-15Cu-15Ni和Ti-25Zr-15Cu-15Ni 4种钛基钎料,采用4种钎料对Ti-6Al-4V板材进行搭接接头真空钎焊.对不同Zr含量的钎料的熔化特性和在Ti-6Al-4V上的润湿性进行测试,并对钎焊接头的微观组织、显微硬度和剪切强度进行测试.结果表明,Zr元素的加入对Ti-Zr-Cu-Ni钛基钎料的熔化温度有显著影响,当Zr含量为5wt%、25wt%时,钎料的固液相线温差较大,且液相线温度较高;当Zr含量为10wt%、15wt%时,钎料的固液相线温差较小,且液相线温度较低.与其他钎料成分不同,25wt% Zr含量的钎料在钎料熔化过程中存在2个明显的低熔点共晶反应,其钎料在铺展过程中出现分层现象.15wt%和25wt% Zr含量钎焊接头具有更低的显微硬度.综合钎料的熔化特性以及钎焊接头的显微硬度和剪切强度,Ti-15Zr-15Cu-15Ni是最佳的钎料成分配比,具有最好的综合性能,其钎焊接头的剪切强度为298 MPa.

     

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出版历程
  • 收稿日期:  2014-12-10
  • 修回日期:  2015-01-16
  • 刊出日期:  2015-11-20

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