焊接热输入对Q620qENH钢力学性能的影响
朱经炜, 余婷婷, 张可, 万国喜, 李景辉, 黄重, 李昭东, 徐党委, 彭宁琦

Effect of Welding Heat Input on Microstructure and Mechanical Property of Coarse-grained Heat-affected Zone for Q620qENH Steel Welded Joints
ZHU Jingwei, YU Tingting, ZHANG Ke, WAN Guoxi, LI Jinghui, HUANG Zhong, LI Zhaodong, XU Dangwei, PENG Ningqi
图5 大小角度晶粒的占比
Fig.5 Proportion of grain with big angle and small angle