Depolarization in percussion drilling of Solenhofen limestone

V. Frid; J. Goldbaum; A. Rabinovitch; D. Bahat

doi:10.1063/1.1829396

Depolarization in percussion drilling of Solenhofen limestone

V. Frid, J. Goldbaum, A. Rabinovitch, D. Bahat

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Abstract

In a series of measurements of electromagnetic radiation (EMR) from percussion-drilled Solenhofen limestone, nonoscillating signals (associated with electric depolarization) preceded by short oscillating signals (associated with crack propagation) were obtained. Depolarization is therefore assumed to be caused by stress relaxation around a propagating crack. Using the parameters of EMR signals, the polarization generating displacements of the Ca2+ ions in the calcite lattice caused by drilling were calculated.

Original language	English
Article number	014908
Journal	Journal of Applied Physics
Volume	97
Issue number	1
DOIs	https://doi.org/10.1063/1.1829396
State	Published - 1 Jan 2005

ASJC Scopus subject areas

General Physics and Astronomy

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title = "Depolarization in percussion drilling of Solenhofen limestone",

abstract = "In a series of measurements of electromagnetic radiation (EMR) from percussion-drilled Solenhofen limestone, nonoscillating signals (associated with electric depolarization) preceded by short oscillating signals (associated with crack propagation) were obtained. Depolarization is therefore assumed to be caused by stress relaxation around a propagating crack. Using the parameters of EMR signals, the polarization generating displacements of the Ca2+ ions in the calcite lattice caused by drilling were calculated.",

author = "V. Frid and J. Goldbaum and A. Rabinovitch and D. Bahat",

note = "Funding Information: This research was supported by the Israel Science Foundation (No. 93∕02-1) and Earth Sciences Administration (Ministry of Energy and Infrastructure, No. 22∕17-008). We are thankful to H. Hertrich from Solenhofer Bodenplatten-Industrie GmbH and Co KG for help in our experiments. The authors would like to acknowledge Prof. B. F. Khesin for helpful discussions and useful comments. We are grateful to D. Frid and L. Baluashvili for technical help.",

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doi = "10.1063/1.1829396",

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AU - Frid, V.

AU - Goldbaum, J.

AU - Rabinovitch, A.

AU - Bahat, D.

N1 - Funding Information: This research was supported by the Israel Science Foundation (No. 93∕02-1) and Earth Sciences Administration (Ministry of Energy and Infrastructure, No. 22∕17-008). We are thankful to H. Hertrich from Solenhofer Bodenplatten-Industrie GmbH and Co KG for help in our experiments. The authors would like to acknowledge Prof. B. F. Khesin for helpful discussions and useful comments. We are grateful to D. Frid and L. Baluashvili for technical help.

PY - 2005/1/1

Y1 - 2005/1/1

N2 - In a series of measurements of electromagnetic radiation (EMR) from percussion-drilled Solenhofen limestone, nonoscillating signals (associated with electric depolarization) preceded by short oscillating signals (associated with crack propagation) were obtained. Depolarization is therefore assumed to be caused by stress relaxation around a propagating crack. Using the parameters of EMR signals, the polarization generating displacements of the Ca2+ ions in the calcite lattice caused by drilling were calculated.

AB - In a series of measurements of electromagnetic radiation (EMR) from percussion-drilled Solenhofen limestone, nonoscillating signals (associated with electric depolarization) preceded by short oscillating signals (associated with crack propagation) were obtained. Depolarization is therefore assumed to be caused by stress relaxation around a propagating crack. Using the parameters of EMR signals, the polarization generating displacements of the Ca2+ ions in the calcite lattice caused by drilling were calculated.

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JO - Journal of Applied Physics

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Depolarization in percussion drilling of Solenhofen limestone

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