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

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 language	English
Pages (from-to)	725-729
Number of pages	5
Journal	Physics of the Solid State
Volume	55
Issue number	4
DOIs	https://doi.org/10.1134/S1063783413040355
Publication status	Published - 25 Apr 2013

ASJC Scopus subject areas

Condensed Matter Physics
Electronic, Optical and Magnetic Materials

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10.1134/S1063783413040355

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@article{2df6d3b0ece94851b6dca0d5ec2beb39,

title = "Electric strength of rocks at a pulsed voltage under high pressures at high temperatures",

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.",

author = "Vazhov, {V. F.} and Vasily Mikhailovich Muratov and Datskevich, {S. Yu} and Zhurkov, {M. Yu} and Gafarov, {R. R.}",

year = "2013",

month = apr,

day = "25",

doi = "10.1134/S1063783413040355",

language = "English",

volume = "55",

pages = "725--729",

journal = "Physics of the Solid State",

issn = "1063-7834",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "4",

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TY - JOUR

T1 - Electric strength of rocks at a pulsed voltage under high pressures at high temperatures

AU - Vazhov, V. F.

AU - Muratov, Vasily Mikhailovich

AU - Datskevich, S. Yu

AU - Zhurkov, M. Yu

AU - Gafarov, R. R.

PY - 2013/4/25

Y1 - 2013/4/25

N2 - 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.

AB - 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.

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