Nonuniform ferroelectric domain switching criterion and related toughening driven by two-parameter crack-tip stress field

【Author】

Yuanqing Cui;

【Abstract】

<正>This paper issues a simple criterion to characterize nonuniform domain switching.The criterion is obtained by minimizing switch-induced system energy change computationally.Combining the numerical result and experimental observations,we propose a quasi-analytic criterion defined by a piecewise function.

【Keywords】

Pro;Nonuniform ferroelectric domain switching criterion and related toughening driven by two-parameter crack-tip stress field;

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