Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing

, том 783 , страницы 139291

Creep behavior of an AlTiVNbZr0.25 high entropy alloy at 1073 K

Petr Kral ¹

Wolfgang Blum ²

Jiri Dvorak ¹

Nikita Yurchenko ³

Nikita Stepanov ³

Sergey Zherebtsov ³

Lenka Kuncicka ¹

Marie Kvapilova ¹

Vaclav Sklenicka ¹

Скрыть аффилиации авторов Показать аффилиации авторов: 3 аффилиации

Institute of Physics of Materials, Czech Academy of Sciences, Zizkova 22, 616 62, Brno, Czech Republic |

Inst. f. Werkstoffwissenschaften, University of Erlangen-Nürnberg, D-91058 Erlangen, Germany |

Belgorod State University, Laboratory of Bulk Nanostructured Materials, Pobeda Str. 85, 308015 Belgorod, Russia |

Тип публикации: Journal Article

Дата публикации: 2020-05-01

Elsevier

Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing

scimago Q1

wos Q1

БС1

SJR: 1.955

CiteScore: 12.7

Impact factor: 7.0

ISSN: 09215093, 18734936

DOI: 10.1016/j.msea.2020.139291

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Condensed Matter Physics

General Materials Science

Mechanical Engineering

Mechanics of Materials

Краткое описание

The deformation behavior of an AlTiVNbZr0.25 high entropy alloy at 1073 K was investigated in creep in protective argon atmosphere at stresses of 100–560 MPa with and without changes. In the initial condition after annealing at 1473 K for 24 h the alloys was composed of B2 matrix phase and coarse Zr5Al3-type particles. During creep a limited amount of new Nb2Al-type sigma phase precipitates at the Zr5Al3/B2 hetero-phase interface and a quasi-stationary dislocation density of the expected order of magnitude are developed. The quasi-stationary creep rate obeys a three-power law and the transients after stress changes are inverted. This is interpreted in terms of the class A creep behavior with viscous glide due to cloud drag.

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Kral P. et al. Creep behavior of an AlTiVNbZr0.25 high entropy alloy at 1073 K // Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing. 2020. Vol. 783. p. 139291.

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Kral P., Blum W., Dvorak J., Yurchenko N., Stepanov N., Zherebtsov S., Kuncicka L., Kvapilova M., Sklenicka V. Creep behavior of an AlTiVNbZr0.25 high entropy alloy at 1073 K // Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing. 2020. Vol. 783. p. 139291.

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TY - JOUR

DO - 10.1016/j.msea.2020.139291

UR - https://doi.org/10.1016/j.msea.2020.139291

TI - Creep behavior of an AlTiVNbZr0.25 high entropy alloy at 1073 K

T2 - Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing

AU - Kral, Petr

AU - Blum, Wolfgang

AU - Dvorak, Jiri

AU - Yurchenko, Nikita

AU - Stepanov, Nikita

AU - Zherebtsov, Sergey

AU - Kuncicka, Lenka

AU - Kvapilova, Marie

AU - Sklenicka, Vaclav

PY - 2020

DA - 2020/05/01

PB - Elsevier

SP - 139291

VL - 783

SN - 0921-5093

SN - 1873-4936

ER -

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@article{2020_Kral,

author = {Petr Kral and Wolfgang Blum and Jiri Dvorak and Nikita Yurchenko and Nikita Stepanov and Sergey Zherebtsov and Lenka Kuncicka and Marie Kvapilova and Vaclav Sklenicka},

title = {Creep behavior of an AlTiVNbZr0.25 high entropy alloy at 1073 K},

journal = {Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing},

year = {2020},

volume = {783},

publisher = {Elsevier},

month = {may},

url = {https://doi.org/10.1016/j.msea.2020.139291},

pages = {139291},

doi = {10.1016/j.msea.2020.139291}

}

Издатель

Elsevier

Журнал

Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing

scimago Q1

wos Q1

БС1

SJR

1.955

CiteScore

12.7

Impact factor

7.0

ISSN

09215093 (Print)

18734936

Профили