材料期刊网

PLASTIC DEFORMATION AND DISLOCATION STRUCTURE IN γ'-PHASE OF A DIRECTIONALLY SOLIDIFIED Ni-BASE SUPERALLOY

WEN Mao LIN Dongliang T.L.Lin Shanghai Jiaotong University , Shanghai , China LIN Dongliang Professor , Shanghai Jiaotong University , Shanghai 200030 , China

金属学报(英文版)

The dislocation structure of directionally solidified(DS)Rene 80 superalloy during tensile and creep deformation has been studied by TEM.In tensile deformation,γ'shearing occurs by slip of APB-coupled(1/2)<110>dislocation pairs on{111}planes at temperatures below 760℃.and by slip of SISF-seper...

关键词: directional solidification , null , null , null