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@article{94d4358b3d9a4ff2ab9ae1ae06f94a39,
title = "The influence of the doping elements on the structure and the martensitic transformations in the Ti50-2xHfxZrxNi50-2xCuxCox shape memory alloys",
abstract = "The structure and the martensitic transformation were studied in the Ti50-2xHfxZrxNi50-2xCuxCox alloys. An increase in X parameter from 1 to 17 changed the configuration entropy from 0.89R (low-entropy alloy) to 1.79R (high-entropy alloy). All alloys crystallized in (Ti,Hf,Zr)50(Ni,Cu,Co)50 phase which occupied more than 90 % of the volume. The chemical composition and the volume fraction of precipitates depended on X parameter. If X is equal to 10, (Ti,Hf,Zr)2(Ni,CuCo) particles were observed; if X = 17, the (Ni,Cu,Co)4(Ti,Hf,Zr)3 precipitates were found. An increase in X parameter decreased the temperatures of the martensitic transformation. If X ≥ 10, the martensitic transformation was not found on cooling to −170 °C.",
keywords = "High entropy alloy, Martensitic transformation, Shape memory alloy",
author = "Natalia Resnina and Sergey Belyaev and Andrey Bazlov and Alexey Sibirev and Irina Ponikarova and Aleksei Ivanov and Rashid Bikbaev",
year = "2023",
month = feb,
day = "15",
doi = "10.1016/j.matlet.2022.133670",
language = "English",
volume = "333",
journal = "Materials Letters",
issn = "0167-577X",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - The influence of the doping elements on the structure and the martensitic transformations in the Ti50-2xHfxZrxNi50-2xCuxCox shape memory alloys

AU - Resnina, Natalia

AU - Belyaev, Sergey

AU - Bazlov, Andrey

AU - Sibirev, Alexey

AU - Ponikarova, Irina

AU - Ivanov, Aleksei

AU - Bikbaev, Rashid

PY - 2023/2/15

Y1 - 2023/2/15

N2 - The structure and the martensitic transformation were studied in the Ti50-2xHfxZrxNi50-2xCuxCox alloys. An increase in X parameter from 1 to 17 changed the configuration entropy from 0.89R (low-entropy alloy) to 1.79R (high-entropy alloy). All alloys crystallized in (Ti,Hf,Zr)50(Ni,Cu,Co)50 phase which occupied more than 90 % of the volume. The chemical composition and the volume fraction of precipitates depended on X parameter. If X is equal to 10, (Ti,Hf,Zr)2(Ni,CuCo) particles were observed; if X = 17, the (Ni,Cu,Co)4(Ti,Hf,Zr)3 precipitates were found. An increase in X parameter decreased the temperatures of the martensitic transformation. If X ≥ 10, the martensitic transformation was not found on cooling to −170 °C.

AB - The structure and the martensitic transformation were studied in the Ti50-2xHfxZrxNi50-2xCuxCox alloys. An increase in X parameter from 1 to 17 changed the configuration entropy from 0.89R (low-entropy alloy) to 1.79R (high-entropy alloy). All alloys crystallized in (Ti,Hf,Zr)50(Ni,Cu,Co)50 phase which occupied more than 90 % of the volume. The chemical composition and the volume fraction of precipitates depended on X parameter. If X is equal to 10, (Ti,Hf,Zr)2(Ni,CuCo) particles were observed; if X = 17, the (Ni,Cu,Co)4(Ti,Hf,Zr)3 precipitates were found. An increase in X parameter decreased the temperatures of the martensitic transformation. If X ≥ 10, the martensitic transformation was not found on cooling to −170 °C.

KW - High entropy alloy

KW - Martensitic transformation

KW - Shape memory alloy

UR - https://www.mendeley.com/catalogue/1c852ba5-ccda-36b5-83bc-12a33097f075/

U2 - 10.1016/j.matlet.2022.133670

DO - 10.1016/j.matlet.2022.133670

M3 - Article

VL - 333

JO - Materials Letters

JF - Materials Letters

SN - 0167-577X

M1 - 133670

ER -

ID: 103210357