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Title: Electrical resistance spot brazing of two different alloys
Authors: Lazic, Vukic
Arsić, Dušan
Djordjević M.
Nikolic, Ruzica
Hadzima, Branislav
Journal: Advances and Trends in Engineering Sciences and Technologies - Proceedings of the International Conference on Engineering Sciences and Technologies, ESaT 2015
Issue Date: 1-Jan-2016
Abstract: © 2016 Taylor & Francis Group, London. The general problems related to electrical resistance brazing of various metals were considered in this paper. In brazing different electrodes and technological parameters are used. For experimental purposes, electrodes were made of highly alloyed tungsten steel and of copper with graphite and tungsten inserts, so the symmetrical temperature field was obtained. Success of brazing was determined by testing the mechanical properties, micro hardness and microstructure of the brazed joint. Hardness measurement results suggested the strain hardening of the steel thin sheets, what imposed necessity of recrystallization annealing. It was necessary to apply both the flux and the silver solder for joining, since copper and iron are poorly mutually soluble. When the metallurgy problems were solved and the optimal brazing parameters selected, the optimal mechanical properties were achieved, which were experimentally confirmed.
Type: conference paper
DOI: 10.1201/b19249-20
SCOPUS: 84949895719
Appears in Collections:Faculty of Engineering, Kragujevac

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