Influences of cyclic deformation and subsequent aging treatment on the tensile properties of Cu processed by equal-channel angular pressing

A series of cyclic deformation and subsequent aging treatments at room temperature were performed on ultrafine-grained Cu processed by equal-channel angular pressing in order to investigate their influences on tensile properties. It was found that a combination of both high strength and good ductility can be achieved by means of cyclic deformation together with aging treatments. The microstructure analysis gave the explanations for these phenomena.