[1]赵 波,付彦宏,王 旭,等.单电源双细丝并联埋弧焊接工艺应用探讨[J].焊管,2015,38(6):38-42.[doi:1001-3938(2015)06-0038-05]
 ZHAO Bo,FU Yanhong,WANG Xu,et al.Discussion on Application of Single Power Source Twin Fine Wire Submerged Arc Welding Process in Parallel[J].,2015,38(6):38-42.[doi:1001-3938(2015)06-0038-05]
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单电源双细丝并联埋弧焊接工艺应用探讨
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
38
期数:
2015年第6期
页码:
38-42
栏目:
工艺与设备
出版日期:
2015-06-28

文章信息/Info

Title:
Discussion on Application of Single Power Source
Twin Fine Wire Submerged Arc Welding Process in Parallel
文章编号:
1001-3938(2015)06-0038-05
作者:
赵 波1付彦宏1王 旭1杨玮玮1杜瑞颖2王保华2
1. 渤海装备研究院输送装备分院, 河北 青县062658;
2. 渤海装备巨龙钢管有限公司, 河北 青县062658
Author(s):
ZHAO Bo1 FU Yanhong1 WANG Xu1 YANG Weiwei1 DU Ruiying2 WANG Baohua2
1. CNPC Bohai Equipment Research Institute, Qingxian 062658, Hebei, China;
2. CNPC Bohai Equipment Julong Steel Pipe Company, Qingxian 062658, Hebei, China
关键词:
焊接单电源双丝并联高熔敷率低线能量多丝埋弧焊
Keywords:
welding single power source twin wire in parallel high deposition rate low heat input multi-wire SAW
分类号:
TG434.2
DOI:
1001-3938(2015)06-0038-05
文献标志码:
B
摘要:
针对多丝埋弧焊固有的焊接线能量大,容易导致焊缝及热影响区组织和力学性能恶化,造成粗晶区和临界粗晶区粗化、脆化以及X80以上高钢级管线钢热影响区软化问题,通过对单电源双细丝并联埋弧焊接工艺的分析探讨,认为将该工艺合理地应用于多丝埋弧焊生产中,可以进一步提高焊丝熔敷速度、焊接速度,尤其是可以显著降低焊接线能量,对于改善焊缝及热影响区的热循环过程、细化晶粒、强韧性具有重要意义。
Abstract:
The inherent feature of high heat input of multi-wire submerged-arc welding(SAW) is liable to cause deterioration of micro-structure and mechanical properties in the weld and heated affected zone(HAZ), coarsening and embrittlement of the coarse grain zone and the critical coarse grain zone, HAZ softening of high-strength line pipe steels such as X80, X100 and X120. Through analysis and discussion on single power source twin fine wire SAW process, it is concluded that the rational application of this technique in multi-wire SAW production can further increase the wire deposition rate, welding speed, especially can significantly reduce the welding heat input. It has great significance for improving the thermal cycle of the weld and HAZ, grain refinement and toughness.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-01-06
作者简介:赵   波(1975—),男,高级工程师,主要从事管线钢材料、焊管管件焊接工艺及装备研究工作。
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