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EFFECTS OF DEFORMATION ON MICROSTRUCTURE AND σ-PHASE FORMATION IN Cr_(25)Ni_(20) STAINLESS STEEL

GAO Yan LI Dejun CAO Zhiben Dalian University of Science and Technology , Dalian , Liaoning , China LI Dejun , Lecturer , Department of Materials Engineering , Dalian University of Science and Technology , Dalian , Liaoning , China

金属学报(英文版)

The microstructure of Cr_(25)Ni_(20)stainless steel under plastic deformation up to 50% has re- vealed an even distributed twins,micro-twins and deformation bands.The σ-phase formation in 800℃ aged specimens is accelerated by its nucleation at either deformation twins or recrystallized grain boundar...

关键词: plastic deformation , null , null