Phase Transformation Kinetics of Austenite during a Combination of Laser-Hybrid and Multi-Arc Welding of High Pressure Pipes

— This study investigated the phase transformation kinetics of austenite in the heat-affected zone of the joints welded by laser-hybrid and submerged multi-arc welding. Optimum cooling rates to form favorable structural-phase composition in the heat-affected zone were found.

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Bibliographic Details
Published in:Physics of metals and metallography 2020-10, Vol.121 (10), p.996-1001
Main Authors: Efimenko, L. A., Kapustin, O. E., Ponomarenko, D. V., Utkin, I. Yu, Romantsov, A. I., Fedorov, M. A.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Diffusion
Laser industry
Materials Science
Metallic Materials
Phase Transformations
Pipe industry
Structure
Tubing industry
Welding
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Description
Summary:— This study investigated the phase transformation kinetics of austenite in the heat-affected zone of the joints welded by laser-hybrid and submerged multi-arc welding. Optimum cooling rates to form favorable structural-phase composition in the heat-affected zone were found.
ISSN:0031-918X
1555-6190
DOI:10.1134/S0031918X20100038