A substrate material and thickness influence on the 3D-printing of Ti–6Al–4V components via wire-feed electron beam additive manufacturing

This work investigated the substrate effect on the additive manufacturing, also known as 3D printing, of Ti–6Al–4V alloy products by the wire-feed electron beam additive manufacturing. It was shown that the etching degree and the shape of the layer bands, known as heat-affected zones, are determined...

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Main Authors: K.N. Kalashnikov, A.V. Chumaevskii, T.A. Kalashnikova, E.A. Kolubaev
Format: Article
Language:English
Published: Elsevier 2022-01-01
Series:Journal of Materials Research and Technology
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2238785421014678
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author K.N. Kalashnikov
A.V. Chumaevskii
T.A. Kalashnikova
E.A. Kolubaev
author_facet K.N. Kalashnikov
A.V. Chumaevskii
T.A. Kalashnikova
E.A. Kolubaev
author_sort K.N. Kalashnikov
collection DOAJ
description This work investigated the substrate effect on the additive manufacturing, also known as 3D printing, of Ti–6Al–4V alloy products by the wire-feed electron beam additive manufacturing. It was shown that the etching degree and the shape of the layer bands, known as heat-affected zones, are determined by the heat dissipation rate during 3D printing. Increasing the temperature gradient using a grade 2 Ti substrate decreases the α-phase plate thickness to 0.56 μm and provides the highest material strength and microhardness values among all tested samples. It was found that using substrates of technically pure Ti, the Al content in the bottom part of the wall decreases due to a mutual diffusion of substrate and sample materials. At the same time, at the printing on a Ti–Al–Mo–V alloy substrate, Mo does not penetrate the deposited material volume. Finally, the optimal substrate variants are determined to achieve the highest strength and elongation of the additively manufactured material at the selected fabrication parameters.
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spelling doaj.art-807a56e070b546faaa86a3463b0b43a72022-12-21T19:34:14ZengElsevierJournal of Materials Research and Technology2238-78542022-01-0116840852A substrate material and thickness influence on the 3D-printing of Ti–6Al–4V components via wire-feed electron beam additive manufacturingK.N. Kalashnikov0A.V. Chumaevskii1T.A. Kalashnikova2E.A. Kolubaev3Laboratory of Local Metallurgy in Additive Technologies, Institute of Strength Physics and Materials Science SB RAS, Tomsk, Pr-kt Akademicheskii, 2/4, 634055, Russia; Corresponding author.Laboratory of Local Metallurgy in Additive Technologies, Institute of Strength Physics and Materials Science SB RAS, Tomsk, Pr-kt Akademicheskii, 2/4, 634055, RussiaLaboratory for Quality Control in Materials and Structures, Institute of Strength Physics and Materials Science SB RAS, Tomsk, Pr-kt Akademicheskii, 2/4, 634055, RussiaLaboratory of Local Metallurgy in Additive Technologies, Institute of Strength Physics and Materials Science SB RAS, Tomsk, Pr-kt Akademicheskii, 2/4, 634055, RussiaThis work investigated the substrate effect on the additive manufacturing, also known as 3D printing, of Ti–6Al–4V alloy products by the wire-feed electron beam additive manufacturing. It was shown that the etching degree and the shape of the layer bands, known as heat-affected zones, are determined by the heat dissipation rate during 3D printing. Increasing the temperature gradient using a grade 2 Ti substrate decreases the α-phase plate thickness to 0.56 μm and provides the highest material strength and microhardness values among all tested samples. It was found that using substrates of technically pure Ti, the Al content in the bottom part of the wall decreases due to a mutual diffusion of substrate and sample materials. At the same time, at the printing on a Ti–Al–Mo–V alloy substrate, Mo does not penetrate the deposited material volume. Finally, the optimal substrate variants are determined to achieve the highest strength and elongation of the additively manufactured material at the selected fabrication parameters.http://www.sciencedirect.com/science/article/pii/S2238785421014678Wire-feed electron beam additive manufacturingElectron beam freeform fabricationTitanium alloySubstrateStructure formationMechanical properties
spellingShingle K.N. Kalashnikov
A.V. Chumaevskii
T.A. Kalashnikova
E.A. Kolubaev
A substrate material and thickness influence on the 3D-printing of Ti–6Al–4V components via wire-feed electron beam additive manufacturing
Journal of Materials Research and Technology
Wire-feed electron beam additive manufacturing
Electron beam freeform fabrication
Titanium alloy
Substrate
Structure formation
Mechanical properties
title A substrate material and thickness influence on the 3D-printing of Ti–6Al–4V components via wire-feed electron beam additive manufacturing
title_full A substrate material and thickness influence on the 3D-printing of Ti–6Al–4V components via wire-feed electron beam additive manufacturing
title_fullStr A substrate material and thickness influence on the 3D-printing of Ti–6Al–4V components via wire-feed electron beam additive manufacturing
title_full_unstemmed A substrate material and thickness influence on the 3D-printing of Ti–6Al–4V components via wire-feed electron beam additive manufacturing
title_short A substrate material and thickness influence on the 3D-printing of Ti–6Al–4V components via wire-feed electron beam additive manufacturing
title_sort substrate material and thickness influence on the 3d printing of ti 6al 4v components via wire feed electron beam additive manufacturing
topic Wire-feed electron beam additive manufacturing
Electron beam freeform fabrication
Titanium alloy
Substrate
Structure formation
Mechanical properties
url http://www.sciencedirect.com/science/article/pii/S2238785421014678
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