Influence of the core filler composition on the recovery of alloying elements during the self-shielded flux-cored arc welding

Introduction of the exothermic mixture into the flux-cored electrode core filler and its’ influence to the deposited metal composition and recovery factors of alloying elements were investigated in the article. An influence of FCAW-S core filler composition with exothermal mixture implemented for re...

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Main Authors: Bogdan Trembach, Aleksandr Grin, Nataliia Makarenko, Serhii Zharikov, Illia Trembach, Oleg Markov
Format: Article
Language:English
Published: Elsevier 2020-09-01
Series:Journal of Materials Research and Technology
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2238785420315507
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author Bogdan Trembach
Aleksandr Grin
Nataliia Makarenko
Serhii Zharikov
Illia Trembach
Oleg Markov
author_facet Bogdan Trembach
Aleksandr Grin
Nataliia Makarenko
Serhii Zharikov
Illia Trembach
Oleg Markov
author_sort Bogdan Trembach
collection DOAJ
description Introduction of the exothermic mixture into the flux-cored electrode core filler and its’ influence to the deposited metal composition and recovery factors of alloying elements were investigated in the article. An influence of FCAW-S core filler composition with exothermal mixture implemented for recovery hardfacing by wear-resistant alloys was investigated in this article. An influence of oxidizing agent to reducing agent ratio (CuO/Al) in the composition of exothermic mixture, on the recovery factors of the alloying system components was considered. As well as the ratio of exothermic mixture oxidizing agent to graphite (CuO/C) and the amount of exothermic mixture (TM) in the flux-cored wire filler composition. Some mathematical models of the recovery factors dependence on the studied factors were received as a result of the investigation.An analysis of the results of the study showed that the ratio of the oxidizing agent to the reducing agent in the exothermic mixture (CuO/Al) had the greatest influence on the recovery factors of alloying elements. Received mathematical dependences of the alloying elements recovery rates allowed to optimize the calculation of composition of the FCAW-S core filler mixture with exothermic mixture and the deposited metal composition. To receive the high values of the elements recovery factors, the parameters subject to investigation should have the following values:CuO/C = 3.75 … 5.25, CuO/Al = 3.75 … 5.25, CuO + Al = 33 … 45 wt.%.
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spelling doaj.art-c80891b8d496496592c5b6364ff12d1d2022-12-22T00:53:28ZengElsevierJournal of Materials Research and Technology2238-78542020-09-01951052010528Influence of the core filler composition on the recovery of alloying elements during the self-shielded flux-cored arc weldingBogdan Trembach0Aleksandr Grin1Nataliia Makarenko2Serhii Zharikov3Illia Trembach4Oleg Markov5Welding Technology Department, Donbas State Engineering Academy, 84313 Kramatorsk, Ukraine; Private Joint Stock Company “Novokramatorsky Mashinostroitelny Zavod”, 84300 84305 Kramatorsk, Ukraine; Corresponding author.Welding Technology Department, Donbas State Engineering Academy, 84313 Kramatorsk, UkraineWelding Technology Department, Donbas State Engineering Academy, 84313 Kramatorsk, UkraineWelding Technology Department, Donbas State Engineering Academy, 84313 Kramatorsk, UkrainePrivate Joint Stock Company “Novokramatorsky Mashinostroitelny Zavod”, 84300 84305 Kramatorsk, UkraineComputer-aided design and modeling of processes and machines department, Donbas State Engineering Academy, 84313 Kramatorsk, UkraineIntroduction of the exothermic mixture into the flux-cored electrode core filler and its’ influence to the deposited metal composition and recovery factors of alloying elements were investigated in the article. An influence of FCAW-S core filler composition with exothermal mixture implemented for recovery hardfacing by wear-resistant alloys was investigated in this article. An influence of oxidizing agent to reducing agent ratio (CuO/Al) in the composition of exothermic mixture, on the recovery factors of the alloying system components was considered. As well as the ratio of exothermic mixture oxidizing agent to graphite (CuO/C) and the amount of exothermic mixture (TM) in the flux-cored wire filler composition. Some mathematical models of the recovery factors dependence on the studied factors were received as a result of the investigation.An analysis of the results of the study showed that the ratio of the oxidizing agent to the reducing agent in the exothermic mixture (CuO/Al) had the greatest influence on the recovery factors of alloying elements. Received mathematical dependences of the alloying elements recovery rates allowed to optimize the calculation of composition of the FCAW-S core filler mixture with exothermic mixture and the deposited metal composition. To receive the high values of the elements recovery factors, the parameters subject to investigation should have the following values:CuO/C = 3.75 … 5.25, CuO/Al = 3.75 … 5.25, CuO + Al = 33 … 45 wt.%.http://www.sciencedirect.com/science/article/pii/S2238785420315507HardfacingSelf-shielded flux–cored arc weldingRecovery factorCompositionExothermic mixtureReducing agent
spellingShingle Bogdan Trembach
Aleksandr Grin
Nataliia Makarenko
Serhii Zharikov
Illia Trembach
Oleg Markov
Influence of the core filler composition on the recovery of alloying elements during the self-shielded flux-cored arc welding
Journal of Materials Research and Technology
Hardfacing
Self-shielded flux–cored arc welding
Recovery factor
Composition
Exothermic mixture
Reducing agent
title Influence of the core filler composition on the recovery of alloying elements during the self-shielded flux-cored arc welding
title_full Influence of the core filler composition on the recovery of alloying elements during the self-shielded flux-cored arc welding
title_fullStr Influence of the core filler composition on the recovery of alloying elements during the self-shielded flux-cored arc welding
title_full_unstemmed Influence of the core filler composition on the recovery of alloying elements during the self-shielded flux-cored arc welding
title_short Influence of the core filler composition on the recovery of alloying elements during the self-shielded flux-cored arc welding
title_sort influence of the core filler composition on the recovery of alloying elements during the self shielded flux cored arc welding
topic Hardfacing
Self-shielded flux–cored arc welding
Recovery factor
Composition
Exothermic mixture
Reducing agent
url http://www.sciencedirect.com/science/article/pii/S2238785420315507
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