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10 窄间隙多层焊第三层焊缝右侧FL区组织的EBSD分析结果 |
| Fig.10 EBSD analysis results of the microstructure in the region neighboring FL on the right side of the 3rd-layer narrow gap weld by RA (a,a1, a2), RA + CW (b, b1, b2), SA (c, c1, c2), and SA + CW (d, d1, d2); statistics of average grain size (e), misorientation angle distributions of WMFL3 (f) and CGHAZ (g), and texture strength (h) (CGHAZ—coarse-grain heat-affected zone, FGHAZ—fine-grain heat-affected zone, HAGB—high angle grain boundary, LAGB—low angle grain boundary) (a-d) inverse pole figures (IPFs) for WMFL3 and CGHAZ (a1-d1) pole figures (PFs) for WMFL3 (a2-d2) PFs for CGHAZ |
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