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. 1 a Schematic illustration of a billet before and after ECAP for a single pressing through the die; b illustration of billet for ECAP and the coordinate systems; c illustration of tensile specimen; d selected positions for tensile specimens on the transverse section of the ECAP billet