冷丝辅助旋转/摇动电弧窄间隙MAG焊缝成形特性及接头组织性能演变机制
李红, 姜玉清, 曹玉鹏, 王加友, 刘澍彬

Weld Formation Characteristics and the Evolution Mechanisms of Joint Microstructure and Mechanical Properties for Rotating/Swing Arc Narrow Gap MAG Welding Assisted by Cold Wire
LI Hong, JIANG Yuqing, CAO Yupeng, WANG Jiayou, LIU Shubin
图15 不同窄间隙多层焊接头0 ℃冲击功
Fig.15 Impact energy (Ak) at 0 oC of the narrow gap multi-layer welding joints