Proceedings

Acta Al-Zn alloys aluminum annealed atoms austenite Backofen behavior carbides cast cleavage coarse grained coherent composition crack growth creep rate Crystals curve cycles decrease dendrites diffusion diffusional diffusional creep diffusional flow ductility effect of grain equation equiaxed eutectic eutectoid experimental factor fatigue ferrite fine-grain flow stress fracture grain boundary grain boundary sliding grain growth grain refinement grain size grain sizes grain-size dependence Hall-Petch hardening heating rate increase ingot interface intergranular fracture Iron material matrix mechanical properties Metals microstructure morphology nucleation observed obtained occur oxide particles percent phase Phys pile-up plot polycrystal Polycrystalline powder range rapid heat treatment recrystallization reduction in area relationship shear shown in Figure slip band solid Solidification solution specimens spinodal decomposition strain rate strain-rate sensitivity superplastic superplastic alloys superplastic deformation tensile theory tion titanium TMS-AIME total elongation Trans ultrafine-grain yield strength yield stress zone