Abstract

The microstructure, texture and room temperature tensile property of an extruded GW102K alloy processed by cyclic extrusion and compression (CEC) at 350°C were investigated. Results show that the microstructure was effectively refined and the initial fiber texture changed to a new texture. The strength and ductility were simultaneously increased obviously. In particular, yield strength increases with decreasing grain sizes, and exhibiting clear grain size dependency according to Hall­Petch relation. The grain refines strengthening is the largest contributor to the yield strength and the texture play relatively minor roles on yield strength in CEC-processed GW102K alloy. [doi:10.2320/matertrans.MA201306]

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