Structure of a Welded Joint of Directedly Crystallized Metal Based on Ni3Al

The structure of a welded joint obtained by argon-arc welding with the use of a composite electrode wire of a Ni 3 Al-base alloy after directed crystallization is studied. It is shown that the use of composite electrode wire containing nanoparticles of tungsten carbide for argon-arc welding promotes...

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Bibliographic Details
Published in:Metal science and heat treatment 2014-05, Vol.56 (1-2), p.93-97
Main Authors: Zorin, I. V., Sokolov, G. N., Dubtsov, Yu. N., Lysak, V. I., Samokhin, A. V., Alekseev, N. V., Tsvetkov, Yu. V.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Engineering Thermodynamics
Heat and Mass Transfer
Materials Science
Metallic Materials
Welded Joints
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Summary:The structure of a welded joint obtained by argon-arc welding with the use of a composite electrode wire of a Ni 3 Al-base alloy after directed crystallization is studied. It is shown that the use of composite electrode wire containing nanoparticles of tungsten carbide for argon-arc welding promotes formation of a quality weld metal and a defect-free transition zone between the latter and the directedly crystallized alloy based on Ni 3 Al.
ISSN:0026-0673
1573-8973
DOI:10.1007/s11041-014-9711-3