Structure and Phase Composition of a W-Ta-Mo-Nb-V-Cr-Zr-Ti Alloy Obtained by Ball Milling and Spark Plasma Sintering

Structure and Phase Composition of a W-Ta-Mo-Nb-V-Cr-Zr-Ti Alloy Obtained by Ball Milling and Spark Plasma Sintering Full article

Journal

Entropy
ISSN: 1099-4300

Output data

Year: 2020, Volume: 22, Number: 2, Pages: 143 Pages count : 1 DOI: 10.3390/e22020143

Tags

Ball milling; Consolidation; Microhardness; Microstructure; Multicomponent alloys; Powder mixture; Refractory metals; Spark plasma sintering

Authors

Ditenberg Ivan A. ^1,2 , Smirnov Ivan V. ^1,2 , Korchagin Michail A. ³ , Grinyaev Konstantin V. ^1,2 , Melnikov Vladlen V. ² , Pinzhin Yuriy P. ^1,2 , Gavrilov Alexander I. ³ , Esikov Maksim A. ⁴ , Mali Vyacheslav I. ⁴ , Dudina Dina V. ⁴

Affiliations

1	Institute of Strength Physics and Materials Science of the Siberian Branch of the Russian Academy of Sciences
2	Department of Metal Physics, Faculty of Physics, National Research Tomsk State University
3	Institute of Solid State Chemistry and Mechanochemistry of the Siberian Branch of the Russian Academy of Sciences
4	Lavrentyev Institute of Hydrodynamics of the Siberian Branch of the Russian Academy of Sciences

In this paper, the structural characteristics of aW-Ta-Mo-Nb-V-Cr-Zr-Ti non-equiatomic refractory metal alloy obtained by spark plasma sintering (SPS) of a high-energy ball-milled powder mixture are reported. High-energy ball milling resulted in the formation of particle agglomerates ranging from several tens to several hundreds of micrometers. These agglomerates were composed of micrometer and submicrometer particles. It was found that, during ball milling, a solid solution of A2 structure formed. The grains of the sintered material ranged from fractions of a micrometer to several micrometers. During SPS, the phase transformations in the alloy led to the formation of a Laves phase of C15 structure and ZrO and ZrO2 nanoparticles. The microhardness of the ball-milled alloy and sintered material was found to be 9.28 GPa ± 1.31 GPa and 8.95 GPa 0.42 GPa, respectively. The influence of the processing conditions on the structure, phase composition, and microhardness of the alloy is discussed.

Ditenberg I.A. , Smirnov I.V. , Korchagin M.A. , Grinyaev K.V. , Melnikov V.V. , Pinzhin Y.P. , Gavrilov A.I. , Esikov M.A. , Mali V.I. , Dudina D.V.
Structure and Phase Composition of a W-Ta-Mo-Nb-V-Cr-Zr-Ti Alloy Obtained by Ball Milling and Spark Plasma Sintering
Entropy. 2020. V.22. N2. P.143. DOI: 10.3390/e22020143 WOS Scopus РИНЦ OpenAlex

Web of science:	WOS:000521371400007
Scopus:	2-s2.0-85080956953
Elibrary:	43256080
OpenAlex:	W3002755768

DB	Citing
Scopus	12
OpenAlex	12
Elibrary	13
Web of science	12