MATERIAL AND PROCESS FOR PREPARING AND FORMING AN ALUMINIUM ALLOY MATERIAL

摘要

A process of preparing sheet metal alloy material for forming is disclosed. The process comprises hot rolling (42) a metal alloy material, wherein the metal alloy material is at a temperature above that at which precipitates form in the material. The process then comprises applying cooling means to cool (44) the metal alloy material at a predetermined cooling rate, and cold rolling (46) the metal alloy material.