Study of phase transitions in cerium in shock-wave experiments

M.V. Zhernokletov; V.A. Borisenok; V.G. Simakov; V.A. Bragunets; E.E. Shestakov; A.M. Podurets; M.I. Tkachenko

doi:10.1051/epjconf/20159401076

All issues

Volume 94 (2015)

EPJ Web of Conferences, 94 (2015) 01076

Abstract

Open Access

Issue		EPJ Web of Conferences Volume 94, 2015 DYMAT 2015 - 11^th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading


Article Number		01076
Number of page(s)		4
Section		Experimental Techniques
DOI		https://doi.org/10.1051/epjconf/20159401076
Published online		07 September 2015

EPJ Web of Conferences 94, 01076 (2015)
https://doi.org/10.1051/epjconf/20159401076

Study of phase transitions in cerium in shock-wave experiments

M.V. Zhernokletov^a, V.A. Borisenok, V.G. Simakov, V.A. Bragunets, E.E. Shestakov, A.M. Podurets and M.I. Tkachenko

Russian Federal Nuclear Center – All-Russia Scientific and Research Institute of Experimental Physics, Sarov, Russia

^a Corresponding author: MVZhernokletov@vniief.ru

Published online: 7 September 2015

Abstract

Cerium has a complex phase diagram that is explained by the presence of structure phase transitions. Planar gauges were used in various combinations in experiments for determination of sound velocity dependence on pressure in cerium by the technique of PVDF gauge. The data of time dependence on pressure profiles with use of x(t) diagrams and the D(u) relation for cerium allowed the definition of the Lagrangian velocity of the unloading wave C^Lagr and the Eulerian velocity C^Eul by taking into account the compression σ. These results accords with data obtained by using the technique of VISAR and a manganin-based gauge, and calculated pressure dependence of isentropic sound velocity according to the VNIITF EOS. Metallography analysis of post-experimental samples did not find any changes in a phase composition.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.