Microstructure and Corrosion Resistance of AA4047/AA7075 Transition Zone Formed Using Electron Beam Wire-Feed Additive Manufacturing

A gradient transition zone was obtained using electron beam deposition from AA4047 wire on AA7075 substrate and characterized for microstructures, tensile strength and corrosion resistance. The microstructure of the transition zone was composed of aluminum alloy grains, Al/Si eutectics and Fe-rich a...

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Autores principales: Filippov, Andrey, Utyaganova, Veronika, Shamarin, Nikolay, Vorontsov, Andrey, Savchenko, Nikolay, Gurianov, Denis, Chumaevskii, Andrey, Rubtsov, Valery, Kolubaev, Evgeny, Tarasov, Sergei
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8618326/
https://www.ncbi.nlm.nih.gov/pubmed/34832329
http://dx.doi.org/10.3390/ma14226931
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author Filippov, Andrey
Utyaganova, Veronika
Shamarin, Nikolay
Vorontsov, Andrey
Savchenko, Nikolay
Gurianov, Denis
Chumaevskii, Andrey
Rubtsov, Valery
Kolubaev, Evgeny
Tarasov, Sergei
author_facet Filippov, Andrey
Utyaganova, Veronika
Shamarin, Nikolay
Vorontsov, Andrey
Savchenko, Nikolay
Gurianov, Denis
Chumaevskii, Andrey
Rubtsov, Valery
Kolubaev, Evgeny
Tarasov, Sergei
author_sort Filippov, Andrey
collection PubMed
description A gradient transition zone was obtained using electron beam deposition from AA4047 wire on AA7075 substrate and characterized for microstructures, tensile strength and corrosion resistance. The microstructure of the transition zone was composed of aluminum alloy grains, Al/Si eutectics and Fe-rich and Si-rich particles. Such a microstructure provided strength comparable to that of AA7075-T42 substrate but more intense corrosion due to the higher amount of anodic Mg(2)Si particles. The as-deposited AA4047 zone formed above the transition zone was composed of aluminum alloy dendrites and interdendritic Al/Si eutectics with low mechanical strength and high corrosion potential.
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spelling pubmed-86183262021-11-27 Microstructure and Corrosion Resistance of AA4047/AA7075 Transition Zone Formed Using Electron Beam Wire-Feed Additive Manufacturing Filippov, Andrey Utyaganova, Veronika Shamarin, Nikolay Vorontsov, Andrey Savchenko, Nikolay Gurianov, Denis Chumaevskii, Andrey Rubtsov, Valery Kolubaev, Evgeny Tarasov, Sergei Materials (Basel) Article A gradient transition zone was obtained using electron beam deposition from AA4047 wire on AA7075 substrate and characterized for microstructures, tensile strength and corrosion resistance. The microstructure of the transition zone was composed of aluminum alloy grains, Al/Si eutectics and Fe-rich and Si-rich particles. Such a microstructure provided strength comparable to that of AA7075-T42 substrate but more intense corrosion due to the higher amount of anodic Mg(2)Si particles. The as-deposited AA4047 zone formed above the transition zone was composed of aluminum alloy dendrites and interdendritic Al/Si eutectics with low mechanical strength and high corrosion potential. MDPI 2021-11-16 /pmc/articles/PMC8618326/ /pubmed/34832329 http://dx.doi.org/10.3390/ma14226931 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Filippov, Andrey
Utyaganova, Veronika
Shamarin, Nikolay
Vorontsov, Andrey
Savchenko, Nikolay
Gurianov, Denis
Chumaevskii, Andrey
Rubtsov, Valery
Kolubaev, Evgeny
Tarasov, Sergei
Microstructure and Corrosion Resistance of AA4047/AA7075 Transition Zone Formed Using Electron Beam Wire-Feed Additive Manufacturing
title Microstructure and Corrosion Resistance of AA4047/AA7075 Transition Zone Formed Using Electron Beam Wire-Feed Additive Manufacturing
title_full Microstructure and Corrosion Resistance of AA4047/AA7075 Transition Zone Formed Using Electron Beam Wire-Feed Additive Manufacturing
title_fullStr Microstructure and Corrosion Resistance of AA4047/AA7075 Transition Zone Formed Using Electron Beam Wire-Feed Additive Manufacturing
title_full_unstemmed Microstructure and Corrosion Resistance of AA4047/AA7075 Transition Zone Formed Using Electron Beam Wire-Feed Additive Manufacturing
title_short Microstructure and Corrosion Resistance of AA4047/AA7075 Transition Zone Formed Using Electron Beam Wire-Feed Additive Manufacturing
title_sort microstructure and corrosion resistance of aa4047/aa7075 transition zone formed using electron beam wire-feed additive manufacturing
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8618326/
https://www.ncbi.nlm.nih.gov/pubmed/34832329
http://dx.doi.org/10.3390/ma14226931
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