Determination of the optimum conditions of melting of filler wire in automatic orbital welding of steel pipelines

被引：3
作者：
机构：
[1] Centrenergogaz, Gazprom, Moscow
[2] Tula State University, Tula
[3] Research Centre for Welding and Inspection, N.E. Bauman Moscow State Technical University, Moscow
来源：
| 1600年 / Taylor and Francis Ltd.卷 / 27期
关键词：
additional wire; compressor station; non-consumable electrode; orbital welding; pipeline; weld pool; welded joint;
D O I：
10.1080/09507116.2012.715924
中图分类号：
学科分类号：
摘要：
A physical-mathematical model of melting of wire in TIG welding has been developed for the determination of the maximum permissible values of the wire feed rate in orbital non-consumable electrode welding and for preventing the formation of lack of fusion defects at the edges or between the layers. The criterion of the optimum wire feed rate is the ratio between the wire feed rate, the power and the diameter of the arc jet resulting in stable melting of the wire. Modelling of the process of formation of the welded joint confirms the efficiency of the proposed criterion. © 2013 Copyright Taylor and Francis Group, LLC.
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页码：397 / 402
页数：5
相关论文
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