Superplastic Behavior in Ultrafine-Grained Materials Produced by Equal-Channel Angular Pressing
Equal-channel angular pressing (ECAP) is a convenient processing method for refining the grain size of bulk materials to the submicrometer level. Metallic alloys processed by ECAP often exhibit excellent superplastic characteristics including superplasticity at high strain rates. This paper summarizes recent experiments designed to evaluate the occurrence of superplasticity in representative aluminum and magnesium alloys and in the Zn-22% Al eutectoid alloy.
Xiaozhou Liao and Yonghao Zhao
C. Xu et al., "Superplastic Behavior in Ultrafine-Grained Materials Produced by Equal-Channel Angular Pressing ", Materials Science Forum, Vol. 579, pp. 29-40, 2008