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
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
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 |
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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9 窄间隙多层焊第三层焊缝L3右侧熔合线(FL)区微观组织的OM像 |
| Fig.9 Low (a-d) and high (a1-d1) magnified OM images of structure in the region neighboring fusion line (FL) on the right side of the 3rd-layer narrow gap multi-layer weld (WMFL3—current-layer weld metal in the region neighboring FL, HAZ—heat-affected zone, AF—acicular ferrite, GBF—grain boundary ferrite, FSP—ferrite side plate, LB—lath bainite, GB—granular bainite) (a, a1) RA (b, b1) RA + CW (c, c1) SA (d, d1) SA + CW |
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