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摘要: 应用冲击波加载技术,在垂直加载的条件下,研究了PZT-95/5铁电功能陶瓷的电击穿。通过实验和数值模拟,得到了冲击波加载下的动态击穿特征参数,讨论了其击穿机理。Abstract: Shock loading technique is used to study dielectric breakdown of the PZT-95/5 ferroelectric ceramics caused by compress of shock waves on the direction vertical to the remnant polarization vector Pr in this paper. The character parameters of the dynamic dielectric breakdown with shock wave loading are obtained by means of both experiment and numerical simulation. Finally the breakdown mechanism of the material is discussed.
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Key words:
- shock loading /
- ferroelectric ceramics /
- breakdown
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Lysne P C. J Appl Phys, 1977, 48(1): 4565. Zetal N E. The Physics of Combustion and Explosion, 1984, 20(4): 439. 林其文, 章冠人, 袁万宗. 爆轰波与冲击波, 1992, (2): 22-25.
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