原位观察稀土镧对低合金高强度钢焊接热影响区晶粒细化的影响

周峰, 曹羽鑫, 万响亮

In-situ Observation of Effect of La on Grain Refinement in Simulated Coarse-grain Heat-affected Zone of High Strength Low Alloy Steel

ZHOU Feng, CAO Yuxin, WAN Xiangliang

图11 #1钢和#2钢在CGHAZ中的取向分布、相邻晶粒间晶界位分布以及有效晶粒尺寸的分布图

Fig.11 Orientation maps of bcc phases in the simulated CGHAZ of #1 (a) and #2 (b) steels, statistical distribution (c) of grain angles between adjacent grains and crystallographic grain size (d) of simulated CGHAZ in investigated steels.