Refractory high entropy alloy with ductile intermetallic B2 matrix / hard bcc particles and exceptional strain hardening capacity
Publication type: Journal Article
Publication date: 2021-12-01
General Materials Science
Abstract
In this study, a new Nb 30 Mo 30 Hf 20 Co 20 (at. %) refractory high entropy alloy (RHEA) comprising an intermetallic (Hf, Co)-rich B2 matrix and disordered (Nb, Mo)-rich bcc particles was introduced. The B2 matrix showed relatively high dislocation mobility, which, coupled with its continuity, allowed bridging and blunting of the cracks formed in the hard bcc particles during plastic deformation. The complex deformation behavior of the constitutive phases resulted in extraordinary high strain hardening capacity at 22–600 °C, exceeding single- and multi-phase RHEAs, together with the high strength. Our work endows new opportunities to develop high-performance alloys for high-temperature applications.
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44
Total citations:
44
Citations from 2024:
18
(41%)
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Yurchenko N. et al. Refractory high entropy alloy with ductile intermetallic B2 matrix / hard bcc particles and exceptional strain hardening capacity // Materialia. 2021. Vol. 20. p. 101225.
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Yurchenko N., Panina E., Shaysultanov D., Stepanov N., Zherebtsov S. Refractory high entropy alloy with ductile intermetallic B2 matrix / hard bcc particles and exceptional strain hardening capacity // Materialia. 2021. Vol. 20. p. 101225.
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TY - JOUR
DO - 10.1016/j.mtla.2021.101225
UR - https://doi.org/10.1016/j.mtla.2021.101225
TI - Refractory high entropy alloy with ductile intermetallic B2 matrix / hard bcc particles and exceptional strain hardening capacity
T2 - Materialia
AU - Yurchenko, Nikita
AU - Panina, E
AU - Shaysultanov, Dmitry
AU - Stepanov, Nikita
AU - Zherebtsov, Sergey
PY - 2021
DA - 2021/12/01
PB - Elsevier
SP - 101225
VL - 20
SN - 2589-1529
ER -
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@article{2021_Yurchenko,
author = {Nikita Yurchenko and E Panina and Dmitry Shaysultanov and Nikita Stepanov and Sergey Zherebtsov},
title = {Refractory high entropy alloy with ductile intermetallic B2 matrix / hard bcc particles and exceptional strain hardening capacity},
journal = {Materialia},
year = {2021},
volume = {20},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016/j.mtla.2021.101225},
pages = {101225},
doi = {10.1016/j.mtla.2021.101225}
}