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Author:

赵旭东 (赵旭东.) | 肖荣诗 (肖荣诗.) (Scholars:肖荣诗)

Indexed by:

CQVIP PKU CSCD

Abstract:

采用经积分镜整形为矩形的光纤激光光斑,对AA6061/镀锌钢异种金属接头进行了激光填充粉末熔钎焊连接,并分析了接头连接界面的显微组织及其对接头力学性能的影响.结果表明,选择优化的焊接参数,获得了成形饱满、无裂纹气孔等缺陷的焊缝;熔钎焊接头的金属间化合物组织由层状和枝晶状两部分组成.层状金属间化合物组织由Fe2Al5组成,枝晶状金属间化合物组织由T1(Al2Fe3Si3)和Fe4Al13组成;拉伸试样均断裂在钎料/镀锌钢界面,断口呈脆性断裂特征.接头机械抗力水平由连接界面宽度与金属间化合物层最大厚度的比值决定.

Keyword:

异种金属 填充粉末 熔钎焊接 显微组织 力学性能

Author Community:

  • [ 1 ] [赵旭东]北京工业大学
  • [ 2 ] [肖荣诗]北京工业大学

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Source :

焊接学报

ISSN: 0253-360X

Year: 2013

Issue: 5

Volume: 34

Page: 41-44

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 15

Chinese Cited Count:

30 Days PV: 2

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