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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >The response of two ferroelectric ceramics to one-dimensional shock loading
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The response of two ferroelectric ceramics to one-dimensional shock loading

机译：两种铁电陶瓷对一维冲击载荷的响应

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The shock response of the ferroelectric ceramics PZT and PSZT is monitored using maganin stress gauges in longitudinal orientation. Comparison with previously published data shows good agreement between our PZT and similar compositions. A reduction in wave speed below the Hugoniot elastic limit (HEL) with increasing impact severity is explained in terms of the degree of phase transformation between the ferroelectric and antiferroelectric phases. In contrast, the PSZT wave speeds show the opposite trend, although we believe that a similar mechanism is operating. The HELs of both materials are determined. Although the PSZT has a significantly higher strength, comparison with established trends of the HELs of this class of material with density suggests that the strength of these materials is controlled by density rather than composition.
机译：铁氧体陶瓷PZT和PSZT的冲击响应是使用纵向的maganin应力仪监测的。与以前发表的数据进行比较表明，我们的PZT与类似成分之间具有很好的一致性。随着铁电相和反铁电相之间的相变程度，解释了随着冲击强度的增加，波速降低到Hugoniot弹性极限（HEL）以下的原因。相反，尽管我们相信类似的机制正在起作用，但PSZT波速却显示出相反的趋势。确定了两种材料的HEL。尽管PSZT具有显着更高的强度，但与此类具有密度的材料的HEL的既定趋势相比，表明这些材料的强度由密度而不是组成控制。

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