The Electrical Conductivity of Pyroxenite at High Temperature and Pressure

WANG Duo-Jun; LI He-Ping; LIU Cong-qiang; YI Li; SU Gen-Li; ZHANG Wei-Gang; XU Zu-Ming

doi:10.11858/gywlxb.2004.02.014

Volume 18 Issue 2

Apr 2015

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Chinese Journal of High Pressure Physics > 2004 > 18(2): 177-182 .

WANG Duo-Jun, LI He-Ping, LIU Cong-qiang, YI Li, SU Gen-Li, ZHANG Wei-Gang, XU Zu-Ming. The Electrical Conductivity of Pyroxenite at High Temperature and Pressure[J]. Chinese Journal of High Pressure Physics, 2004, 18(2): 177-182 . doi: 10.11858/gywlxb.2004.02.014

Citation:

WANG Duo-Jun, LI He-Ping, LIU Cong-qiang, YI Li, SU Gen-Li, ZHANG Wei-Gang, XU Zu-Ming. The Electrical Conductivity of Pyroxenite at High Temperature and Pressure[J]. Chinese Journal of High Pressure Physics, 2004, 18(2): 177-182 . doi: 10.11858/gywlxb.2004.02.014

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The Electrical Conductivity of Pyroxenite at High Temperature and Pressure

doi: 10.11858/gywlxb.2004.02.014

1.
Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China;
2.
Graduate School of Chinese Academy of Sciences, Beijing 100083, China;
3.
Changqing Petroleum Exploration Bureau Oil & Gas Development Co., Xi'an 710021, China

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Corresponding author: WANG Duo-Jun
Received Date: 26 May 2003
Rev Recd Date: 18 Feb 2004
Issue Publish Date: 05 Jun 2004

Abstract

Abstract

The electric conductivity of pyroxenite has been measured at pressure of 1.0~2.0 GPa, temperature of 320~700 ℃, and frequency of 105 Hz to 12 Hz, and the conduction mechanism has been analyzed in terms of the impedance spectra. Experimental results indicated that the electric conductivity of pyroxenite depended on the frequency of alternative current. Impedance arcs representing the conduction mechanism of grain interiors are displayed in the complex impedance plane, and this mechanism is dominated at high pressure. The activation enthalpies for pyroxenite are 0.661~0.673 eV. Higher iron content may lead to the higher values of the electrical conductivity in the experiments.
- high temperature and pressure,
- impedance spectra,
- pyroxenite,
- conduction mechanism

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References(17)

References

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沈阳化工大学材料科学与工程学院沈阳 110142

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The Electrical Conductivity of Pyroxenite at High Temperature and Pressure

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