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[1]BIAN Xiu-fang, LIU Xiang-fa, MA Jia-ji. Heredity of Cast Metals [M]. Jinan: Shandong Technology Press, 1999. 106-111.[2]Pan E N, Cherng Y C, Lin C A, et al. Roles of Sr and Sb on silicon modification of A356 aluminum alloys [J]. AFS Transactions, 1994,