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Published in: The International Journal of Advanced Manufacturing Technology 5-6/2019

31-10-2019 | ORIGINAL ARTICLE

Method exploration of flux bands constricting arc welding for high-strength steel T-joints

Authors: Lei Wang, Jisen Qiao, Zhenwen Chen, Liang Zhu, Jianhong Chen

Published in: The International Journal of Advanced Manufacturing Technology | Issue 5-6/2019

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Abstract

A new energy-efficient welding method, flux bands constricting arc (FBCA) welding, is proposed to solve the fabrication of metal sandwich panels. This method is suitable for welding T-joints in special structures where the welding gun is unable to reach the welding position, such as welding thick face-plate metal sandwich panels. The characteristics of FBCA welding, key welding technologies, and corresponding defects and resolutions are discussed. Pull-out tests between T-joints welded by laser and FBCA welding were conducted. Results indicate that complete penetration and good fusion of three-sided T-joint can be produced by FBCA welding. The typical cross section morphology is unlike other common welding methods. T-joints without defects, such as weld asymmetry, root leakage, slag inclusion, and pores, show better ultimate tensile strength than T-joints welded by laser welding. The FBCA welding method can compensate for shortage of insufficient weld width of laser welding.

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Metadata
Title
Method exploration of flux bands constricting arc welding for high-strength steel T-joints
Authors
Lei Wang
Jisen Qiao
Zhenwen Chen
Liang Zhu
Jianhong Chen
Publication date
31-10-2019
Publisher
Springer London
Published in
The International Journal of Advanced Manufacturing Technology / Issue 5-6/2019
Print ISSN: 0268-3768
Electronic ISSN: 1433-3015
DOI
https://doi.org/10.1007/s00170-019-04471-x

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