Buried Arc application in Hybrid Laser-Arc Welding of Thermo-Mechanical Control Process Steels-Reference-Cited by-同舟云学术

Buried Arc application in Hybrid Laser-Arc Welding of Thermo-Mechanical Control Process Steels

Published:2023-08-02 Issue: Volume: Page:
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Author:

Dreveck Natália¹,Borba Tadeu²,Moura Osmar¹,Ferraresi Henrique¹,Bond Danielle³

Affiliation:

1. SENAI Innovation Institute for Laser Processing

2. Usiminas Research and Development Center

3. University of Santa Catarina State

Abstract

Abstract Hybrid laser arc welding (HLAW) has gained significant attention in recent years due to its ability to provide high-quality welds with improved productivity. One of the key challenges in HLAW is the efficient utilization of the welding arc energy. This work aims to analyze the HLAW process with gas metal buried arc welding (GMBAW), and compare the results obtained with typical results of laser welding and HLAW with non buried arc. Tests were conducted at two welding speeds, 1.0 m/min and 1.5 m/min, and the results were compared with autogenous laser bean welding (LBW) and HLAW without a buried arc, on ASTM A709 steel that was manufactured by Thermo-Mechanical Control Process (TMCP). The buried arc HLAW resulted in a more uniform weld bead, with a reduced heat-affected zone. Moreover, the laser power required to achieve full penetration of the weld joint was smaller for the buried arc HLAW variation.

Publisher

Research Square Platform LLC

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