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不同加载压力下PZT-95/5铁电陶瓷放电特性研究 被引量:2

Experimental Study of the Depoling Property of PZT-95/5 Ferroelectric Ceramic under Shock Wave Loading
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摘要 利用轻气炮作为加载手段,对PZT-95/5铁电陶瓷进行冲击波压缩,以实现陶瓷受激相变放电。在涵盖了PZT-95/5陶瓷的相变压力点及雨贡纽弹性极限压力点的加载压力区间内,对其放电特性进行了实验研究。获得了不同加载压力下的PZT-95/5铁电陶瓷耐电击穿强度及剩余极化强度等特征参数,并分析和讨论了PZT-95/5在不同加载压力作用下的放电特性。 With a light gas gun for generating the shock wave loading, the PZT-95/5 ferroelectric ceramic has been shock compressed to induce a phase transformation for electric depoling. Under the pressures ranging from the phase transition point to the Hugoniot elastic limit, the depoling property of PZT-95/5 ferroelectric ceramic has been experimentally studied. Results including the breakdown voltage and the charge release amount have been measured. The depoling characteristic and its mechanism have been discussed.
出处 《压电与声光》 CSCD 北大核心 2008年第1期58-60,共3页 Piezoelectrics & Acoustooptics
关键词 PZT-95/5铁电陶瓷 冲击波压缩 耐电击穿强度 剩余极化强度 PZT-95/5 ferroelectric ceramic shock compress breakdown voltage charge release amount
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