Analysis of energy utilisation efficiency in laser–GTA hybrid welding process
Source abstract
Abstract
The effect of welding parameters on energy utilisation efficiency in laser–gas tungsten arc (GTA) hybrid welding process is investigated. Then, optimum butt joints are made by laser welding, GTA welding and laser–GTA hybrid welding, and the energy consumption in each process is calculated and compared. Both plasma and keyhole behaviours are studied. Results indicate that the parameter Dla greatly affects the energy utilisation efficiency in hybrid welding. The reason is that Dla determines keyhole behaviour and laser induced plasma, and these determine the coupling discharge of laser induced and GTA plasmas. Compared with laser and GTA welding, hybrid welding is more energy efficient.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Welding Techniques and Residual Stresses · Advanced Welding Techniques Analysis · Metal and Thin Film Mechanics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Liaoning Advanced Welding and Joining Technology, School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China
References (25)
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