不同强度301L冷轧板激光对焊接头的组织和力学性能
范佳斐1, 刘伟1(
), 郭相忠1, 李喜庆1, 胡立国2
), 郭相忠1, 李喜庆1, 胡立国2
Microstructure and Mechanical Properties of Laser Butt Welded 301L Cold-rolled Plates of Different Strength
FAN Jiafei1, LIU Wei1(), GUO Xiangzhong1, LI Xiqing1, HU Liguo2
), GUO Xiangzhong1, LI Xiqing1, HU Liguo2
图2. 激光焊接接头的显微组织
Fig.2. Microstructure of laser butt welded joint (a) overall view of welded joint; (b) optical micrograph of upper weld; (c) optical micrograph of weld bottom; (d) SEM micrograph of middle weld center; (e) lathy ferrite bunch in SEM micrograph; (f) SEM micrograph of bottom weld center
