Grain Boundary Sliding Behavior during Superplastic Deformation in a Sn-Pb Eutectic Alloy

摘要

Although grain boundary sliding (GBS) mainly contributes to superplastic deformation, there are few studies on GBS behavior at each boundary in superplastic materials. It has been investigated the effect of three grain boundary characters of the angle between grain boundary at the specimen surface and the tensile direction, the kind of adjacent grains across a grain boundary, and sum value which was calculated from orientations of adjacent grains across a grain boundary on GBS in a superplastic Pb-Sn alloy.