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- Title
MELTING OF ELECTRODE AND BASE METAL IN ELECTROSLAG WELDING.
- Authors
PATON, B. E.; LYCHKO, I. I.; YUSHCHENKO, K. A.; SUPRUN, S. A.; KOZULIN, S. M.; KLIMENKO, A. A.
- Abstract
The present article is devoted to the problems of study of physical nature of electroslag welding using development of new methods and application of existing ones for investigations of processes of fusion welding. The results of study of electroslag welding process by wire electrode were given using method of direct visual observations through the optically transparent medium of phenomena running in the welding space and further shot-by-shot processing of materials of rapid filming. The analysis was given and description of some phenomena observed in the selected basic cell of welding space: melting of slag and electrode, formation of central nugget of an interelectrode gap in the form of slag-metal-gas plasma-type discharge, evolution of heat power and its dissemination in welding space and also numerous sizes of its basic geometric parameters. The obtained detailed conceptions about the physical nature of electroslag process allow more efficient using of its advantages in the development of new technologies and equipment for manufacture of thick-sheet massive welded metal structures.
- Subjects
ELECTROSLAG welding; FUSION (Phase transformation); ELECTRODES; IRONWORK; IRON slag
- Publication
Paton Welding Journal, 2013, Issue 7, p31
- ISSN
0957-798X
- Publication type
Article