We present quantum molecular dynamics calculations of thermophysical properties of solid and liquid zirconium in the vicinity of melting. An overview of available experimental data is also presented. We focus on the analysis of thermal expansion, molar enthalpy, resistivity, and normal spectral emissivity of solid and liquid Zr. Possible reasons of discrepancies between the first-principles simulations and experiments are discussed. Our calculations reveal a significant volume change on melting in agreement with electrostatic levitation experiments. Meanwhile, we confirm a low value of enthalpy of fusion obtained in some pulse-heating experiments. Electrical resistivity of solid and liquid Zr is systematically underestimated in our simulations, however, the slope of resistivity temperature dependencies agrees with experiments. Our calculations predict almost constant normal spectral emissivity in liquid Zr.
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14 August 2022
Research Article|
August 09 2022
Ab initio inspection of thermophysical experiments for zirconium near melting
M. A. Paramonov
;
M. A. Paramonov
a)
(Formal analysis, Investigation, Validation, Visualization, Writing – original draft)
1
Joint Institute for High Temperatures RAS
, Izhorskaya 13 Bldg 2, Moscow 125412, Russia
2
Moscow Institute of Physics and Technology
, 9 Institutskiy per., Dolgoprudny, Moscow Region 141701, Russia
a)Author to whom correspondence should be addressed: [email protected]
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D. V. Minakov
;
D. V. Minakov
a)
(Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Validation, Visualization, Writing – original draft, Writing – review and editing)
1
Joint Institute for High Temperatures RAS
, Izhorskaya 13 Bldg 2, Moscow 125412, Russia
2
Moscow Institute of Physics and Technology
, 9 Institutskiy per., Dolgoprudny, Moscow Region 141701, Russia
a)Author to whom correspondence should be addressed: [email protected]
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V. B. Fokin
;
V. B. Fokin
a)
(Investigation, Validation, Visualization)
1
Joint Institute for High Temperatures RAS
, Izhorskaya 13 Bldg 2, Moscow 125412, Russia
2
Moscow Institute of Physics and Technology
, 9 Institutskiy per., Dolgoprudny, Moscow Region 141701, Russia
a)Author to whom correspondence should be addressed: [email protected]
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D. V. Knyazev
;
D. V. Knyazev
a)
(Methodology, Software)
1
Joint Institute for High Temperatures RAS
, Izhorskaya 13 Bldg 2, Moscow 125412, Russia
2
Moscow Institute of Physics and Technology
, 9 Institutskiy per., Dolgoprudny, Moscow Region 141701, Russia
a)Author to whom correspondence should be addressed: [email protected]
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G. S. Demyanov
;
G. S. Demyanov
(Investigation, Methodology, Software)
1
Joint Institute for High Temperatures RAS
, Izhorskaya 13 Bldg 2, Moscow 125412, Russia
2
Moscow Institute of Physics and Technology
, 9 Institutskiy per., Dolgoprudny, Moscow Region 141701, Russia
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P. R. Levashov
P. R. Levashov
(Resources, Supervision, Writing – review and editing)
1
Joint Institute for High Temperatures RAS
, Izhorskaya 13 Bldg 2, Moscow 125412, Russia
2
Moscow Institute of Physics and Technology
, 9 Institutskiy per., Dolgoprudny, Moscow Region 141701, Russia
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a)Author to whom correspondence should be addressed: [email protected]
J. Appl. Phys. 132, 065102 (2022)
Article history
Received:
February 17 2022
Accepted:
July 11 2022
Citation
M. A. Paramonov, D. V. Minakov, V. B. Fokin, D. V. Knyazev, G. S. Demyanov, P. R. Levashov; Ab initio inspection of thermophysical experiments for zirconium near melting. J. Appl. Phys. 14 August 2022; 132 (6): 065102. https://doi.org/10.1063/5.0088504
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