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hai yang gang jie gou mai hu han de xiao jiao du po kou han jie gong yi
Author(s): 
Pages: 24-26
Year: Issue:  9
Journal: Welding Technology

Keyword:  埋弧焊小角度坡口焊接工艺评定焊接工艺参数;
Abstract: 焊接在海洋工程的建造中占据较大比例,特别是埋弧焊对于大壁厚钢结构的建造具有重要作用.本文针对大壁厚(38 mm)全熔透海洋工程用钢,将X形坡口(无衬垫)的坡口角度减小至45°,选用GMAW封底,SAW填充盖面,双面焊双面成形进行了试验,并与传统60°坡口的焊接工艺进行了对比.结果表明,新工艺的焊接试件的无损检测结果及焊接接头的力学性能试验结果均符合海洋工程标准规范要求,较传统工艺而言,该工艺可提高...
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