Electromagnetic effect stimulated by strain wave in rocks

When strain wave passes through rock, a changing magnetic field due to piezomagnetic effect will propagate at the velocity of sound. The changing magnetic field will stimulate electromagnetic effect in the surrounding area. This paper reports the experimental results which proves the existence of su...

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Bibliographic Details
Published inActa seismologica sinica Vol. 11; no. 1; pp. 115 - 120
Main Authors Xu, Xiao-He, Xing, Guo-Jun, Wang, Biao
Format Journal Article
LanguageEnglish
Chinese
Published Beijing Springer Nature B.V 01.01.1998
Subjects
Earthquakes
Electromagnetics
Geophysics
Magnetic fields
Rocks
Seismic activity
Seismic engineering
Seismic phenomena
Seismology
Sound
Strain
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Summary:When strain wave passes through rock, a changing magnetic field due to piezomagnetic effect will propagate at the velocity of sound. The changing magnetic field will stimulate electromagnetic effect in the surrounding area. This paper reports the experimental results which proves the existence of such phenomena. And the synthetic piezomagnetic coefficients of rock are measured from experimental results. The piezomagnetic effect can be used to explain some electromagnetic phenomena produced in the process of earthquakes.[PUBLICATION ABSTRACT]
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1000-9116
1674-4519
1993-1344
1867-8777
DOI:10.1007/BF02650461