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 Vol. 121; no. 10; pp. 996 - 1001
Main Authors:	Efimenko, L. A., Kapustin, O. E., Ponomarenko, D. V., Utkin, I. Yu, Romantsov, A. I., Fedorov, M. A.
Format:	Journal Article
Language:	English
Published:	Moscow Pleiades Publishing 01-10-2020 Springer
Subjects:	Chemistry and Materials Science Diffusion Laser industry Materials Science Metallic Materials Phase Transformations Pipe industry Structure Tubing industry Welding laser-hybrid welding submerged-multi-arc welding heat-affected zone microstructure austenite decomposition kinetics
Online Access:	Get full text
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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