由于铁电陶瓷优越的力电耦合性能,使其作为一种重要的功能材料被广泛应用于许多领域.它的非线性本构行为引起了研究者的广泛关注.本文首先介绍了铁电陶瓷非线性本构行为的一般特点及其微观物理机制.在此基础上,详细介绍了铁电陶瓷非线性本构行为的实验进展.最后,简要介绍了铁电陶瓷非线性本构实验的发展趋势.
Due to the large coupling between their electrical and mechanical properties, as an important functional material, ferroelectric ceramics has been used successfully in many fields. The nonlinear constitutive behavior of ferroelectric ceramics is one of the important frontiers and hotspots in recent research of solid mechanical and material science. Typical characteristics of the nonlinear constitutive behavior of ferroelectric ceramics and its microphysical mechanism were introduced in this paper firstly. Then the experimental progress in the nonlinear constitutive behavior of ferroelectric ceramics is reviewed in detail. In addition new development trends of nonlinear constitutive experiment of ferroelectric ceramics were introduced.
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