7E.Carrera,A.Rodlriguez,J.Talamantes.Measurement of residua stresses in cast alurminium engine block,[J].Journal of Materials Processing Teehnology,2007(1):206-210.
8J.E.Wyatt,J.T.Benrry,A.R.Willianms.Residual stresses in aluminum castings Jourrnal of Materials Processing Technology,2007(8):170-173.
9Ejiofor J U,ed. Effects of porous carbon on sintered A1- Si-Mg matrix composites [ J ]. Journal of Materials Engineering and Performance, 1997,6 (6) : 785.