Precipitation-strengthened refractory Al 0.5 CrNbTi 2 V 0.5 high entropy alloy
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National Science Center Kharkov Institute of Physics and Technology NAS of Ukraine, Kharkov, 61108, Ukraine.
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Publication type: Journal Article
Publication date: 2017-02-01
scimago Q2
wos Q3
SJR: 0.591
CiteScore: 5.4
Impact factor: 2.7
ISSN: 0167577X, 18734979
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
Structure and mechanical properties of a new Al0.5CrNbTi2V0.5 high entropy alloy in the as-cast and annealed at 1200 °C for 24 h conditions are reported. In the as-cast condition the alloy has single body-centered cubic (bcc) phase structure. After annealing relatively fine and homogeneously distributed particles of Laves phase form in the bcc matrix. The precipitation of the second phase particles is accompanied by an increase in the yield strength and decrease in ductility determined in compression at room temperature. With increase of the testing temperature to 1000 °C, the strength of the alloy decreases and ductility increases. The experimental phase composition of the alloy is compared with predicted equilibrium phases and possible ways to tailor the structure of the alloy to increase the mechanical properties further are discussed.
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128
Total citations:
128
Citations from 2024:
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(31%)
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Stepanov N. et al. Precipitation-strengthened refractory Al 0.5 CrNbTi 2 V 0.5 high entropy alloy // Materials Letters. 2017. Vol. 188. pp. 162-164.
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Stepanov N., Yurchenko N., Panina E., Tikhonovsky M., Zherebtsov S. Precipitation-strengthened refractory Al 0.5 CrNbTi 2 V 0.5 high entropy alloy // Materials Letters. 2017. Vol. 188. pp. 162-164.
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TY - JOUR
DO - 10.1016/j.matlet.2016.11.030
UR - https://doi.org/10.1016/j.matlet.2016.11.030
TI - Precipitation-strengthened refractory Al 0.5 CrNbTi 2 V 0.5 high entropy alloy
T2 - Materials Letters
AU - Stepanov, Nikita
AU - Yurchenko, Nikita
AU - Panina, E
AU - Tikhonovsky, M.A
AU - Zherebtsov, Sergey
PY - 2017
DA - 2017/02/01
PB - Elsevier
SP - 162-164
VL - 188
SN - 0167-577X
SN - 1873-4979
ER -
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@article{2017_Stepanov,
author = {Nikita Stepanov and Nikita Yurchenko and E Panina and M.A Tikhonovsky and Sergey Zherebtsov},
title = {Precipitation-strengthened refractory Al 0.5 CrNbTi 2 V 0.5 high entropy alloy},
journal = {Materials Letters},
year = {2017},
volume = {188},
publisher = {Elsevier},
month = {feb},
url = {https://doi.org/10.1016/j.matlet.2016.11.030},
pages = {162--164},
doi = {10.1016/j.matlet.2016.11.030}
}
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