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7 #1钢和#2钢的奥氏体在模拟CGHAZ中的HTLCSM图和对应的Adobe Photoshop处理图

Fig.7 HTLCM micrographs during the simulated CGHAZ in #1 (a) and #2 (c) steels, and images (b, d) of primary austenite grains after image processing of (a, c) using Adobe Photoshop