Patent ID: 6863744
Filing Date: 2005-03-08
Classification: B22D,C22C

Abstract:
1. A method for casting an iron based alloy material for a thixocasting process, the method comprising: providing an iron based alloy material for a thixocasting process, the material comprising: 1.6 wt %≦C≦2.5 wt %; 3.0 wt %<Si≦5.5 wt %; and a carbon equivalent (the value of CE) defined as “C(wt %)+⅓Si(wt %)”; and satisfying 2.9≦(C(wt %)+⅓Si(wt %))≦3.5, in a half-melted state with 35 to 50 wt % of a solid phase; and diecasting the metal.