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ZHANG Chengcong, YANG Shihua, CONG Qian, GU Huayang, XIONG Yanyan, LU Haibin. Microstructure and mechanical properties of parallel micro gap welds in silver-gilt copper foil and copper foil[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(5): 107-110.
Citation: ZHANG Chengcong, YANG Shihua, CONG Qian, GU Huayang, XIONG Yanyan, LU Haibin. Microstructure and mechanical properties of parallel micro gap welds in silver-gilt copper foil and copper foil[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(5): 107-110.

Microstructure and mechanical properties of parallel micro gap welds in silver-gilt copper foil and copper foil

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  • Received Date: February 17, 2014
  • Silver-gilt copper foil and copper foil in thiclcnese of 0.1 mm were welded with parallel micro gap welding, in which the influence of different parameters on the mechanical properties was studied, microstructure of the typical joint were tested by SEM. The experimental results indicated that sound joints were made, and the interface consisted of two phase region which includes Cu-rich region and Ag-rich region and single phase region which includes only Cu-rich region; welding temperature reaches the melting point of silver, the welding mechanism is similar to brazing; in the range of parameters used, the shear strength of the joints reached 59N, welding power and welding time had obvious influence to the mechanical property of the joint, and electrode force had inconspicuous influence to the mechanical property of the joint.
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