Structure, properties and phase transformations in feedstock Ti2AlNb powder used for additive manufacturing

被引：4

作者：

Illarionov, A. G. ^{[1
]}

Demakov, S. L. ^{[1
]}

Karabanalov, M. S. ^{[1
]}

Shabanov, M. A. ^{[1
]}

Popov, A. A. ^{[1
]}

Smirnova, E. O. ^{[2
]}

Stepanov, S. I. ^{[1
]}

机构：

[1] Ural Fed Univ, Heat Treatment & Phys Met Dept, Ekaterinburg 620002, Russia

[2] Russian Acad Sci, Inst Engn Sci, Ural Branch, Ekaterinburg 620049, Russia

来源：

LETTERS ON MATERIALS | 2024年 / 14卷 / 01期

关键词：

Ti 2 AlNb-based alloy; EIGA powder; microstructure; nanoindentation; phase transformations; METAL POWDERS; ALLOYS;

D O I：

10.48612/letters/2024-1-66-71

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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 Ti 2 AlNb-based alloy. The effect of particle size distribution on flowability is studied. Ti-23Al-25Nb powder is characterized by a typical dendritic single beta-phase microstructure with almost homogeneous distribution of alloying elements. The dendriti & scy; 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 degrees / min. Several phase transformations including beta -iota omega 0 ; beta -iota O; O -iota beta+alpha 2 ; alpha 2 -iota beta are revealed during heating. The activation of the powder oxidation process at temperatures above 700 degrees C is observed.

引用

页码：66 / 71

页数：6

共 32 条

[1]

Batalu D, 2006, UNIV POLITEH BUCHAR, V68, P77

[2] Laser deposition of graded γ-TiAliTi2AlNb alloys: Microstructure and nanomechanical characterization of the transition zone [J].

Chen, Haoxiu ;

Liu, Zhiying ;

Cheng, Xu ;

Zou, Yu .

JOURNAL OF ALLOYS AND COMPOUNDS, 2021, 875

[3]

Ciftci N, 2019, METALL MATER TRANS B, V50, P666, DOI 10.1007/s11663-019-01508-0

[4] Introduction to the Additive Manufacturing Powder Metallurgy Supply Chain Exploring the production and supply of metal powders for AM processes [J].

Dawes, Jason ;

Bowerman, Robert ;

Trepleton, Ross .

JOHNSON MATTHEY TECHNOLOGY REVIEW, 2015, 59 (03) :243-256

[5] Additive manufacturing of metallic components - Process, structure and properties [J].

DebRoy, T. ;

Wei, H. L. ;

Zuback, J. S. ;

Mukherjee, T. ;

Elmer, J. W. ;

Milewski, J. O. ;

Beese, A. M. ;

Wilson-Heid, A. ;

De, A. ;

Zhang, W. .

PROGRESS IN MATERIALS SCIENCE, 2018, 92 :112-224

[6] A New Approach For A Flexible Powder Production For Additive Manufacturing [J].

Dietrich, S. ;

Wunderer, M. ;

Huissel, A. ;

Zaeh, M. F. .

16TH MACHINING INNOVATIONS CONFERENCE FOR AEROSPACE INDUSTRY - MIC 2016, 2016, 6 :88-95

[7] Palladium nanoparticles supported on amine-functionalized glass fiber mat for fixed-bed reactors on the effective removal of hexavalent chromium by catalytic reduction [J].

Gao, Yu ;

Sun, Wuzhu ;

Yang, Weiyi ;

Li, Qi .

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, 2018, 34 (06) :961-968

[8]

Gineye A., 1961, Radiographic analysis cristal

[9] Relationship between Structure, Phase Composition, and Physicomechanical Properties of Quenched Ti-Nb Alloys [J].

Illarionov, A. G. ;

Grib, S. V. ;

Illarionova, S. M. ;

Popov, A. A. .

PHYSICS OF METALS AND METALLOGRAPHY, 2019, 120 (02) :150-156

[10]

Illarionov A. G., 2021, Solid State Phenom., V316, P473, DOI [10.4028/www.scientific.net/ssp.316.473, DOI 10.4028/WWW.SCIENTIFIC.NET/SSP.316.473]

← 1 2 3 4 →