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bu xiu gang / guan xian gang xuan ya fu he guan dao han jie gong yi yan jiu
Author(s): 
Pages: 86-89
Year: Issue:  8
Journal: Welding Technology

Keyword:  旋压复合氩弧焊扩散扫描电镜;
Abstract: 论述了不锈钢/管线钢复合管焊接后的接头性能。石油管道制造中已采用不锈钢作衬里外套管线钢,应用旋压技术将两者过盈配合从而形成复合管道,已广泛应用于石油输送行业。该复合管道具有既能节约贵重材料,又具备耐腐蚀性能要求的特点,因而具有十分广阔的应用前景。但由于复合管道现场施工焊接中涉及异种金属的连接,又常常导致焊接接头力学性能的若干问题。本课题针对企业的产品制造,采用氩弧焊打底、焊条电弧焊盖面工艺进行焊接,对焊缝金属微观组织与性能开展系统研究,分析焊接过程特征与注意事项,为工程应用提供参考。
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