6Das S K, Sharif A, Cha Y C, et al. Influence of small amount of Al and Cu on the microstructure, microhardness and tensile properties of Sn-9Zn binary eutectic solder alloy[J]. Journal of Alloys and Compounds, 2009, 481: 167-172.
7Chert Wen-xue, Xue Song-bai, Wang Hui, et al. Effects of rare earth Ce on properties of Sn-9Zn lead-free solder[J ]. Mater Sci: Mater Electron, 2010, 21: 719-725.
8Mahmudi R, Geranmayeh A R, Noori H, et al. Effects of Ag and Al additions on the structure and creep properties of Sn-9Zn solder alloy [J]. Journal of Electronic Materials, 2009, 38(2): 330-337.
9余宗舞,楮幼义.钢中稀土[M].北京:冶金工业出版社,1982.
10Dowd J D. Soldering of aluminum [ J ]. Welding Journal, 1954 : 113 - 120.