Fe-Mn-Al-C低密度高锰钢的晶粒尺寸对其低温变形的影响

扬帆, 张宇琦, 潘嘉文, 陈俊

Effect of Grain Size on Cryogenic Deformation Behavior of a Low-density High-Mn Steel FeMnAlC

YANG Fan, ZHANG Yuqi, PAN Jiawen, CHEN Jun

图7 CG实验钢在-196 ℃拉伸变形后的典型TEM照片

Fig.7 Typical TEM images of the FG steel after tensile deformation at -196 oC. (a, b, c, e, f) Bright-field TEM images. (d) Selected area electron diffraction patterns obtained from the outlined region A in Fig.7c