Scaling Behavior of Dynamic Hysteresis in Hard PZT Bulk Ceramics Under Influence of Compressive Stress

被引：2

作者：

Wongdamnern, N. ^{[1
]}

Ngamjarurojana, A. ^{[1
]}

Ananta, S. ^{[1
]}

Laosiritaworn, Y. ^{[1
]}

Yimnirun, R. ^{[1
]}

机构：

[1] Chiang Mai Univ, Dept Phys, Fac Sci, Chiang Mai 50200, Thailand

来源：

SMART MATERIALS | 2008年 / 55-57卷

关键词：

Scaling; Stress; Hysteresis; Hard PZT;

D O I：

10.4028/www.scientific.net/AMR.55-57.281

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Effects of electric field-amplitude and mechanical stress on hysteresis area were investigated in partially depoled hard PZT bulk ceramic, At any compressive stress, the hysteresis area was found to depend on the field-amplitude with a same set of exponents to the power-la,,v scaling. Consequently, inclusion of compressive stresses into the power-law was also obtained in the form of < A - A(sigma=0) > alpha E-0(5) (1)sigma(1) (19) which indicated the difference of the energy dissipation between the under-stress and stress-free conditions.

引用

页码：281 / 284

页数：4

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