Obiettivo
Refinement of grain size is the standard way to improve both strength and ductility. Recent work has indicated that fine grain structures of around 4 µm could be achievable in commercial production with appropriate development of the production of cold rolled microalloyed steels with a homogeneous grain refined structure by rapid transformation annealing. Its benefits on the materials properties will also be assessed. This annealing process offers the prospect of producing high yield strength steels with minimal alloying costs, which in turn results in a more easily recyclable product for environmental benefits.