Microstructure and Mechanical Properties of High-Nitrogen Austenitic Stainless Steels Subjected to Equal-Channel Angular Pressing

Fu-Yuan Dong, Peng Zhang, Jian-Chao Pang, Qi-Qiang Duan, Yi-Bin Ren, Ke Yang, Zhe-Feng Zhang

Fig. 5 TEM micrographs of the deformation microstructure of HNS-83 steels after one ECAP pass: a a higher magnification observation of a nanotwin bundle; b twin intersections; c-e the nanotwined regions with shear bands; f twin-matrix lamellae are vanished within the shear band