评论“方法来分析电介质弹性体的机电稳定性”[应用物理快报。（2007年）]
Comment on ``Method to analyze electromechanical stability of dielectric elastomers" [Appl. Phys. Lett. 91, 061921 (2007)]
摘要：
Zhao和Suo的模型可以推广到任意弹性应变能函数的弹性体的临界击穿电场$E_c$值。给出了弹性体薄膜在双轴应变下的$E_c$的显式表达式，并与采用两项Ogden橡胶弹性模型的实验数据进行了比较。单轴应力和等双轴应力的简化结果为Zhao和Suo的发现提供了进一步的见解。
英文摘要：
The model of Zhao and Suo can be readily generalized to predict the critical breakdown electric field $E_c$ value of elastomers with arbitrary elastic strain energy function. An explicit expression for $E_c$ is presented for elastomeric thin films under biaxial strain and comparisons are made with experimental data using a two term Ogden rubber elasticity model. Simplified results for uniaxial and for equi-biaxial stress provide further insight into the findings of Zhao and Suo.
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