Open Access
Materials, volume 16, issue 3, pages 941
Microstructural Features and Microhardness of the Ti-6Al-4V Alloy Synthesized by Additive Plasma Wire Deposition Welding
Shchitsyn Yuri D
2
,
Trushnikov D N
2
,
Gareev Alfiz I
1
,
Polyakov Alexander V
1, 2
,
Pesin Mikhail V
2
Publication type: Journal Article
Publication date: 2023-01-19
General Materials Science
Abstract
Wire arc additive manufacturing (AM) is able to replace the traditional manufacturing processes of Ti alloys. At the same time, the common drawback of Ti workpieces produced by AM via wire deposition welding is the formation of a coarse-grained dendritic structure, its strong anisotropy and, consequently, lower strength as compared to a monolithic alloy. In this work, a new method is proposed for the enhancement of the strength properties of the Ti-6Al-4V alloy synthesized by AM via wire deposition welding, which involves the use of a wire with an initial ultrafine-grained (UFG) structure. The UFG wire is characterized by a large number of defects of the crystalline lattice and grain boundaries, which will enable increasing the number of “crystallization centers” of the α-phase, leading to its refinement. The macro- and microstructure, phase composition and microhardness of the Ti-6Al-4V alloy samples were investigated. The microhardness of the alloy produced by layer-by-layer deposition welding using a UFG wire was shown to be on average 20% higher than that of the samples produced by a deposition welding using a conventional wire. The nature of this phenomenon is discussed, as well as the prospects of increasing the mechanical characteristics of Ti alloys produced by additive manufacturing.
Citations by journals
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1
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Materials
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Materials
1 publication, 33.33%
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Advanced Engineering Materials
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Advanced Engineering Materials
1 publication, 33.33%
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Materials Today Communications
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1 publication, 33.33%
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Citations by publishers
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1
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 33.33%
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Wiley
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Wiley
1 publication, 33.33%
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Elsevier
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Elsevier
1 publication, 33.33%
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1
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Semenova I. P. et al. Microstructural Features and Microhardness of the Ti-6Al-4V Alloy Synthesized by Additive Plasma Wire Deposition Welding // Materials. 2023. Vol. 16. No. 3. p. 941.
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Semenova I. P., Shchitsyn Y. D., Trushnikov D. N., Gareev A. I., Polyakov A. V., Pesin M. V. Microstructural Features and Microhardness of the Ti-6Al-4V Alloy Synthesized by Additive Plasma Wire Deposition Welding // Materials. 2023. Vol. 16. No. 3. p. 941.
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TY - JOUR
DO - 10.3390/ma16030941
UR - https://doi.org/10.3390%2Fma16030941
TI - Microstructural Features and Microhardness of the Ti-6Al-4V Alloy Synthesized by Additive Plasma Wire Deposition Welding
T2 - Materials
AU - Semenova, Irina P.
AU - Shchitsyn, Yuri D
AU - Trushnikov, D N
AU - Gareev, Alfiz I
AU - Polyakov, Alexander V
AU - Pesin, Mikhail V
PY - 2023
DA - 2023/01/19 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 941
IS - 3
VL - 16
SN - 1996-1944
ER -
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@article{2023_Semenova,
author = {Irina P. Semenova and Yuri D Shchitsyn and D N Trushnikov and Alfiz I Gareev and Alexander V Polyakov and Mikhail V Pesin},
title = {Microstructural Features and Microhardness of the Ti-6Al-4V Alloy Synthesized by Additive Plasma Wire Deposition Welding},
journal = {Materials},
year = {2023},
volume = {16},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {jan},
url = {https://doi.org/10.3390%2Fma16030941},
number = {3},
pages = {941},
doi = {10.3390/ma16030941}
}
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MLA
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Semenova, Irina P., et al. “Microstructural Features and Microhardness of the Ti-6Al-4V Alloy Synthesized by Additive Plasma Wire Deposition Welding.” Materials, vol. 16, no. 3, Jan. 2023, p. 941. https://doi.org/10.3390%2Fma16030941.