Laser beam submerged arc hybrid welding: A novel hybrid welding process

被引：4

作者：

Reisgen, Uwe ^{[1
]}

Olschok, Simon ^{[1
]}

Engels, Oliver ^{[1
]}

机构：

[1] Rhein Westfal TH Aachen, Welding & Joining Inst, Pontstr 49, D-52062 Aachen, North Rhine Wes, Germany

来源：

JOURNAL OF LASER APPLICATIONS | 2018年 / 30卷 / 04期

关键词：

laserbeam submerged arc hybrid welding; submerged arc welding; laserbeam welding; hybrid welding;

D O I：

10.2351/1.5037269

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The currently predominant joining process for constructional steel in the sheet thickness range of 40 mm, as is customary in pipeline and bridge construction, is submerged arc welding. Due to the large number of welding layers required, a high quantity of energy, expensive welding filler material, and also distortion are introduced into the component. The laser beam submerged arc hybrid welding combines the conventional submerged arc welding process with a high-energy laser beam welding process to form a hybrid process. With this process, sheets with a thickness of up to 40 mm can be joined in butt joints in just two welding layers. In this paper, the hybrid character of this method is emphasized. First, the geometric shape of the melt pool in the cross section is discussed and later the mixing of both melt pools is verified by energy-dispersive x-ray spectroscopy analyses. In addition, results when joining gaps are present are demonstrated and discussed. (c) 2018 Laser Institute of America.

引用

页数：7

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