5Qing Ke Zhang, Wei Min Long, Xin Quan Yu, et al. Effects of Ga addition on microstructure and properties of Sn-Ag-Cu/Cu sol- der joints [J]. Journal of Alloys and Compounds, 2015, 622: 973- 978.
6Yong Chen, ZhiPeng Sun, Xinqi Yan, et al. Analysis on embrit- tlement phenomenon of flux cored Zn-A! wire[J]. Materials Sci- ence and Technology, 2013, 29(8): 1 017-1 019.
7WeiMin Long, GuanXing Zhang and QingKe Zhang. In thesis of high strength Ag brazing filler metals during brazing process [Jl. Scripta Materialia (2015), DOI : 10.1016/j scriptamat.2015.07.041.