Current Properties with the Phase Transition of PZT 95-5 Ferroelectric Ceramic under Dynamic LoadingReport as inadecuate




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Shock-induced depoling process and electric current releasing of the high density PZT 95-5 ceramics were studied. The current-releasing behavior in the phase transition stress region was studied by comparing the released polarization Prs under shock compression and the initial remanent polarization Pr. Results show that the magnitude of the current released increases with the shock stress. Analysis of the current data further confirms that the phase transition should start at stress about 0.23~0.43 GPa and almost complete at 1.78~2.05 GPa.

KEYWORDS

PZT 95-5; shock loading; phase transition; depoling current

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Author: Gao-min Liu, Qing-hai Xie, Yi Liu, Hai-yan Wang, Hong-liang He

Source: http://www.scirp.org/



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