低碳低合金钢焊缝熔覆金属针状铁素体的回火稳定性
胡富昇, 成林, 侯廷平, 程石, 宋峰雨, 吴开明

High-Temperature Stability of Acicular Ferrite in a Low-Carbon Low-Alloy Steel Weld Metal
HU Fusheng, CHENG Lin, HOU Tingping, CHENG Shi, SONG Fengyu, WU Kaiming
图3 焊缝熔敷金属在焊态及580、610、640 ℃回火12 h后样品显微组织的SEM像
Fig.3 SEM images of weld metal specimens at as-welded state (a) and tempering at 580 oC (b), 610 oC (c), and 640 oC (d) for 12 h