Electric strength of rocks at a pulsed voltage under high pressures at high temperatures

V. F. Vazhov, Vasily Mikhailovich Muratov, S. Yu Datskevich, M. Yu Zhurkov, R. R. Gafarov

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The electric strength of rocks (granite, limestone, and sandstone) for the first time has been measured under the simultaneous effect of the pressure up to 35 MPa and temperature up to 120°C in the system of rod-rod electrodes arranged on one sample surface and point-plane electrodes in the liquid medium of a drilling agent. With the simultaneous increase in pressure and temperature, the electric strength of rocks for point-plane electrodes continuously increases (especially rapidly in the pressure range of 10-24 MPa and temperature range of 35-85°C), while for rod-rod electrodes arranged on the same sample surface, the electric strength varies with a maximum at pressures of 5-12 MPa and temperatures 20-35°C.

Original languageEnglish
Pages (from-to)725-729
Number of pages5
JournalPhysics of the Solid State
Volume55
Issue number4
DOIs
Publication statusPublished - 25 Apr 2013

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rods
Rocks
rocks
Electrodes
electrodes
Electric potential
electric potential
Temperature
temperature
Calcium Carbonate
Granite
limestone
sandstones
granite
Sandstone
Limestone
drilling
Drilling
Liquids
liquids

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Electric strength of rocks at a pulsed voltage under high pressures at high temperatures. / Vazhov, V. F.; Muratov, Vasily Mikhailovich; Datskevich, S. Yu; Zhurkov, M. Yu; Gafarov, R. R.

In: Physics of the Solid State, Vol. 55, No. 4, 25.04.2013, p. 725-729.

Research output: Contribution to journalArticle

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