Recrystallization involving (111) rotation in Fe-11Cr-19Ni alloy single crystal

A single crystal of Fe-11Cr-19Ni alloy was deformed in tension. During the initial stage of deformation, two primary slip systems having the same Schm id factor were found to operate. The sample was deflected about an axis par allel to the tensile direction. Two columnar regions bounded by the plane o f deflection were formed, in each of which only one primary slip system ope rated. The individual columnar regions were rotated in opposite directions and the misorientation between them reached 28 degrees. On the other hand, other slip systems were activated after a considerable orientation change. After annealing, many recrystallized grains were formed on the entire surfa ce of the sample. The orientation of the majority of recrystallized grains was related to the orientation of the regions where recrystallization occur red, by rotations about [111]-axes. The direction of rotation was opposite to that caused by the tensile deformation.