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Elastic phase transitions in metals at high pressures

, , ,
National University of Science and Technology "MISIS", Leninskii prosp. 4, Moscow, 119049, Russian Federation

Crystalline lattice can become unstable to the uniform shear strains which may lead to a structural transformation to less symmetric structures. The transitions of these types were called the elastic phase transitions. In the present paper the elastic phase transitions in metals with cubic and hexagonal structures are considered. The relation between the elastic constants of second, third and fourth order corresponding to the case of the first order elastic phase transition are given. As an example the structural transformation in vanadium which is experimentally observed at P ≈ 69 GPa, and a possibility of the structural transformation in molybdenum at P higher than 700 GPa are analyzed.

Fulltext is available at IOP
PACS: 61.50.Ks, 61.66.Bi, 62.20.D−, 62.50.−p (all)
DOI: 10.3367/UFNe.0184.201409d.0967
URL: https://ufn.ru/en/articles/2014/9/d/
Citation: Vekilov Yu Kh, Krasil’nikov O M, Belov M P, Lugovskoy A V "Elastic phase transitions in metals at high pressures" Phys. Usp. 57 897–902 (2014)
BibTexBibNote ® (generic)BibNote ® (RIS)Medline RefWorks
RT Journal
T1 Elastic phase transitions in metals at high pressures
A1 Vekilov,Yu.Kh.
A1 Krasil’nikov,O.M.
A1 Belov,M.P.
A1 Lugovskoy,A.V.
PB Physics-Uspekhi
PY 2014
FD 10 Sep, 2014
JF Physics-Uspekhi
JO Phys. Usp.
VO 57
IS 9
SP 897-902
DO 10.3367/UFNe.0184.201409d.0967
LK https://ufn.ru/en/articles/2014/9/d/

Received: 3rd, December 2013, revised: 19th, December 2013, 20th, December 2013

Оригинал: Векилов Ю Х, Красильников О М, Белов М П, Луговской А В «Деформационные фазовые переходы в металлах при высоких давлениях» УФН 184 967–973 (2014); DOI: 10.3367/UFNr.0184.201409d.0967

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