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Processing and Characterization of Ag-Cu-Sn Brazing Alloy Prepared by a Mechanical Alloying Method

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Abstract

Mechanical alloying was used to prepare an Ag-Cu-Sn brazing alloy with the low amounts of intermetallic compounds. X-ray diffraction and differential scanning calorimetry were carried out to investigate the phase transformation of the as-milled samples. It seemed that the intermetallic compounds experienced the stage of synthesis-decomposition-resynthesis in the ball milling process. By controlling the ball milling time and tin contents, the solid solution phases of Ag (Cu, Sn) and Ag (Cu) were achieved in the 60Ag30Cu10Sn sample after milling for 40 h. Although the intermetallic compound will be generated during the brazing process, the improvement of their distributed morphology is beneficial for the good bonding interface of the joint with stainless steel substrate.

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Acknowledgments

This work was financially supported by Huaguang Advanced Welding Materials Co., LTD under Grant No. H131064.

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Authors and Affiliations

  1. State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin, China

    Wei Liu & Peng He

  2. College of Materials Science and Engineering, China Jiliang University, Hangzhou, China

    Wei Liu, Miao Zheng, Hangyan Shen, Jiayu Guo & Bing Guo

  3. Hangzhou Huaguang Advanced Welding Materials Co., LTD, Hangzhou, China

    Xiaorong Wang, Zhonghua Fan, Dingkun Yu & Rong Chen

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  1. Wei Liu
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  2. Miao Zheng
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  10. Peng He
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Correspondence to Peng He.

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Liu, W., Zheng, M., Wang, X. et al. Processing and Characterization of Ag-Cu-Sn Brazing Alloy Prepared by a Mechanical Alloying Method. J. of Materi Eng and Perform 27, 1148–1153 (2018). https://doi.org/10.1007/s11665-017-2930-1

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  • DOI: https://doi.org/10.1007/s11665-017-2930-1

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