300M steel Cu-Al-Ni monocrystalline alloy FeMnSiCrNi alloy GH4169 superalloy Technology: general issues aluminum boron steel cellular automaton cold rolling constitutive equation cross-rolling deformation flow deformation mechanisms dynamic recrystallization earing finite element analysis high-strength steel hot processing map hot stamping in situ experiments magnesium alloy martensitic transformation microstructure evolution microstructure evolution simulation multidirectional forging phase transition physical characterization and structural characterization plastic deformation polycrystal plasticity modeling reversible martensitic transformations