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Structure, properties and phase transformations in feedstock Ti2 AlNb powder used for additive manufacturing. / Illarionov, A. G.; Demakov, S. L.; Karabanalov, M. S. и др.
в: Letters on Materials, Том 14, № 1, 2024, стр. 66-71.

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@article{0caaf482e56e4fa9836d57d9732f3e80,
title = "Structure, properties and phase transformations in feedstock Ti2 AlNb powder used for additive manufacturing",
abstract = "Electrode induction gas atomization (EIGA) is a perspective, cost-effective method for producing spherical intermetallic titanium powders used in additive manufacturing. This study investigates the morphology, microstructure, nanoindentation properties, chemical and phase composition of commercial pre-alloyed EIGA powder of the Ti2 AlNb-based alloy. The effect of particle size distribution on flowability is studied. Ti-23Al-25Nb powder is characterized by a typical dendritic single β-phase microstructure with almost homogeneous distribution of alloying elements. The dendritiс body is slightly enriched with Nb and the dendritic boundaries are enriched with Al. The temperature ranges of phase transformations are studied using differential scanning calorimetry at a rate of 50°/min. Several phase transformations including β → ω0; β → O; O → β+α2; α2 → β are revealed during heating. The activation of the powder oxidation process at temperatures above 700°C is observed.",
author = "Illarionov, {A. G.} and Demakov, {S. L.} and Karabanalov, {M. S.} and Shabanov, {M. A.} and Popov, {A. A.} and Smirnova, {E. O.} and Stepanov, {S. I.}",
note = "This work has been supported by joint RSF-DST grant \u2116 22-49-02066.",
year = "2024",
doi = "10.48612/letters/2024-1-66-71",
language = "English",
volume = "14",
pages = "66--71",
journal = "Letters on Materials",
issn = "2218-5046",
publisher = "Институт проблем сверхпластичности металлов Российской академии наук",
number = "1",

}

RIS

TY - JOUR

T1 - Structure, properties and phase transformations in feedstock Ti2 AlNb powder used for additive manufacturing

AU - Illarionov, A. G.

AU - Demakov, S. L.

AU - Karabanalov, M. S.

AU - Shabanov, M. A.

AU - Popov, A. A.

AU - Smirnova, E. O.

AU - Stepanov, S. I.

N1 - This work has been supported by joint RSF-DST grant \u2116 22-49-02066.

PY - 2024

Y1 - 2024

N2 - Electrode induction gas atomization (EIGA) is a perspective, cost-effective method for producing spherical intermetallic titanium powders used in additive manufacturing. This study investigates the morphology, microstructure, nanoindentation properties, chemical and phase composition of commercial pre-alloyed EIGA powder of the Ti2 AlNb-based alloy. The effect of particle size distribution on flowability is studied. Ti-23Al-25Nb powder is characterized by a typical dendritic single β-phase microstructure with almost homogeneous distribution of alloying elements. The dendritiс body is slightly enriched with Nb and the dendritic boundaries are enriched with Al. The temperature ranges of phase transformations are studied using differential scanning calorimetry at a rate of 50°/min. Several phase transformations including β → ω0; β → O; O → β+α2; α2 → β are revealed during heating. The activation of the powder oxidation process at temperatures above 700°C is observed.

AB - Electrode induction gas atomization (EIGA) is a perspective, cost-effective method for producing spherical intermetallic titanium powders used in additive manufacturing. This study investigates the morphology, microstructure, nanoindentation properties, chemical and phase composition of commercial pre-alloyed EIGA powder of the Ti2 AlNb-based alloy. The effect of particle size distribution on flowability is studied. Ti-23Al-25Nb powder is characterized by a typical dendritic single β-phase microstructure with almost homogeneous distribution of alloying elements. The dendritiс body is slightly enriched with Nb and the dendritic boundaries are enriched with Al. The temperature ranges of phase transformations are studied using differential scanning calorimetry at a rate of 50°/min. Several phase transformations including β → ω0; β → O; O → β+α2; α2 → β are revealed during heating. The activation of the powder oxidation process at temperatures above 700°C is observed.

UR - http://www.scopus.com/inward/record.url?partnerID=8YFLogxK&scp=85191802480

U2 - 10.48612/letters/2024-1-66-71

DO - 10.48612/letters/2024-1-66-71

M3 - Article

VL - 14

SP - 66

EP - 71

JO - Letters on Materials

JF - Letters on Materials

SN - 2218-5046

IS - 1

ER -

ID: 56692054