ISSI 03t - Ferdowsi University of Mashhadprofdoc.um.ac.ir/articles/a/1030080.pdf · International...
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ISSI 03t - Ferdowsi University of Mashhadprofdoc.um.ac.ir/articles/a/1030080.pdf · International Journal of ISSI, Vol.8 (2011), No.l Spherodizing steels is a heat treatment in which