Thermal stability of MoNbTaVW high entropy alloy thin films

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Thermal stability of MoNbTaVW high entropy alloy thin films. / Xia, Ao; Franz, Robert.

In: Coatings, Vol. 10, No. 10, 941, 10.2020, p. 1-8.

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@article{9f6abc180b99424eb4567be6512d413e,
title = "Thermal stability of MoNbTaVW high entropy alloy thin films",
abstract = "Refractory high entropy alloys are an interesting material class because of their high thermal stability, decent electrical conductivity, and promising mechanical properties at elevated temperature. In the present work, we report on the thermal stability of body-centered cubic MoNbTaVW solid solution thin films that were synthesized by cathodic arc deposition. After vacuum annealing up to 1600 ◦ C, the morphology, chemical composition, crystal structure, and electrical conductivity, as well as the mechanical properties, were analyzed. The observed body-centered cubic MoNbTaVW solid solution phase is stable up to 1500 ◦ C. The evolution of electrical and mechanical properties due to the annealing treatment is discussed based on the observed structural changes of the synthesized thin films. ",
keywords = "arc evaporation, electrical resistance, hardness, high entropy alloy, refractory metal, vacuum annealing",
author = "Ao Xia and Robert Franz",
year = "2020",
month = oct,
doi = "10.3390/coatings10100941",
language = "English",
volume = "10",
pages = "1--8",
journal = "Coatings",
issn = "2079-6412",
publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",
number = "10",

}

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TY - JOUR

T1 - Thermal stability of MoNbTaVW high entropy alloy thin films

AU - Xia, Ao

AU - Franz, Robert

PY - 2020/10

Y1 - 2020/10

N2 - Refractory high entropy alloys are an interesting material class because of their high thermal stability, decent electrical conductivity, and promising mechanical properties at elevated temperature. In the present work, we report on the thermal stability of body-centered cubic MoNbTaVW solid solution thin films that were synthesized by cathodic arc deposition. After vacuum annealing up to 1600 ◦ C, the morphology, chemical composition, crystal structure, and electrical conductivity, as well as the mechanical properties, were analyzed. The observed body-centered cubic MoNbTaVW solid solution phase is stable up to 1500 ◦ C. The evolution of electrical and mechanical properties due to the annealing treatment is discussed based on the observed structural changes of the synthesized thin films.

AB - Refractory high entropy alloys are an interesting material class because of their high thermal stability, decent electrical conductivity, and promising mechanical properties at elevated temperature. In the present work, we report on the thermal stability of body-centered cubic MoNbTaVW solid solution thin films that were synthesized by cathodic arc deposition. After vacuum annealing up to 1600 ◦ C, the morphology, chemical composition, crystal structure, and electrical conductivity, as well as the mechanical properties, were analyzed. The observed body-centered cubic MoNbTaVW solid solution phase is stable up to 1500 ◦ C. The evolution of electrical and mechanical properties due to the annealing treatment is discussed based on the observed structural changes of the synthesized thin films.

KW - arc evaporation

KW - electrical resistance

KW - hardness

KW - high entropy alloy

KW - refractory metal

KW - vacuum annealing

UR - http://www.scopus.com/inward/record.url?scp=85093844572&partnerID=8YFLogxK

U2 - 10.3390/coatings10100941

DO - 10.3390/coatings10100941

M3 - Article

VL - 10

SP - 1

EP - 8

JO - Coatings

JF - Coatings

SN - 2079-6412

IS - 10

M1 - 941

ER -