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TVT, 2010, Volume 48, Issue 2, Pages 210–216 (Mi tvt711)  

This article is cited in 3 scientific papers (total in 3 papers)

Thermophysical Properties of Materials

The electrical resistivity of liquid carbon under rapid heating of dense isotropic graphite in different media

A. M. Knjazkov, A. I. Savvatimskii

Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow

Abstract: Experiments are considered which involve pulsed heating of graphite (in several microseconds) and registering of electrical resistance of liquid carbon. Samples of MF-307 dense ($2$ g/cm$^3$) isotropic graphite with a cross section of $\sim 0.3 \times 0.3$ mm and $10$$15$ mm long are heated in water or in thick-walled (outside diameter $D \sim 10$ mm, inside diameter $d\sim 0.5$ mm) sapphire capillary tubes. It is confirmed that the heating in water at atmospheric pressure does not enable one to obtain and investigate liquid carbon: at best, only the beginning of the liquid state region is attained. The heating in sapphire tubes causes the emergence of pulsed pressure (up to ten kilobars) after expanding graphite comes against the tube wall. This growing pressure (within several microseconds) enables one to investigate the liquid state of carbon in a confined volume. The isochoric heating provided the possibility of measuring the electrical resistivity of liquid carbon at high specific energies (up to $\sim32$ kJ/g) and high pressures; such measurements are quite expensive in the case of stationary investigations.

Full text: PDF file (599 kB)

English version:
High Temperature, 2010, 48:2, 192–197

Bibliographic databases:

UDC: 536.6; 537.311.3
PACS: 81.05.Uw; 84.37.+q; 05.70.Ce, 51.30.+i, 65.40.G-, 82.60.-s
Received: 26.11.2008

Citation: A. M. Knjazkov, A. I. Savvatimskii, “The electrical resistivity of liquid carbon under rapid heating of dense isotropic graphite in different media”, TVT, 48:2 (2010), 210–216; High Temperature, 48:2 (2010), 192–197

Citation in format AMSBIB
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\by A.~M.~Knjazkov, A.~I.~Savvatimskii
\paper The electrical resistivity of liquid carbon under rapid heating of dense isotropic graphite in different media
\jour TVT
\yr 2010
\vol 48
\issue 2
\pages 210--216
\mathnet{http://mi.mathnet.ru/tvt711}
\elib{http://elibrary.ru/item.asp?id=13725612}
\transl
\jour High Temperature
\yr 2010
\vol 48
\issue 2
\pages 192--197
\crossref{https://doi.org/10.1134/S0018151X10020094}
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\elib{http://elibrary.ru/item.asp?id=15321412}
\scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-77952315302}


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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. S. V. Stankus, I. V. Savchenko, A. Sh. Agadzhanov, O. S. Yatsuk, E. I. Zhmurikov, “Thermophysical properties of MPG-6 graphite”, High Temperature, 51:2 (2013), 179–182  mathnet  crossref  isi  elib  elib
    2. E. E. Son, “Current investigations of thermophysical properties of substances (based on recent publications in the journal High Temperature)”, High Temperature, 51:3 (2013), 351–368  mathnet  crossref  isi  elib  elib
    3. Savvatimskii A.I., Kondratev A.M., Onufrienko S.V., “Eksperimenty po plavleniyu grafita pri impulsnom nagreve elektricheskim tokom”, Izvestiya vysshikh uchebnykh zavedenii. seriya: khimiya i khimicheskaya tekhnologiya, 56:7 (2013), 53–56  elib
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