Abstract
The failure of quartz single crystals and piezoelectric ceramics under the action of ≈80-ns-wide stress pulses is experimentally investigated. Spalling-induced microfailures in the piezoelectrics are found to produce electromagnetic pulses 2–10 ns wide. The occurrences of the electromagnetic radiation and the microfailures correlate. The study of the structure of these electromagnetic pulses in combination with fractography data may gain much real-time information on the failure of brittle materials under impact loads.
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Translated from Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 71, No. 12, 2001, pp. 101–103.
Original Russian Text Copyright © 2001 by Sud’enkov.
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Sud’enkov, Y.V. Electromagnetic radiation induced by the failure of piezoelectrics under the action of submicrosecond stress pulses. Tech. Phys. 46, 1588–1590 (2001). https://doi.org/10.1134/1.1428000
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DOI: https://doi.org/10.1134/1.1428000