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9 焊缝熔敷金属在焊态及不同温度和时间回火后的硬度、抗拉强度、伸长率及冲击吸收功

Fig.9 Hardnesses (a), tensile strengths (b), elongations (c), and impact absorbing energies (d) of weld metal specimens at as-welded state and tempering at different temperatures and time