利用常规方法制备了Pb0.97(La,Nb)0.03Zr0.53Ti0.47O3铁电陶瓷,研究了温度对Pb0.97(La,Nb)0.03Zr0.53Ti0.47O3铁电陶瓷电疲劳性能的影响.结果表明,温度对PLZT铁电陶瓷电疲劳性能影响很大,随着温度的升高,电疲劳速率降低.样品的介电温谱及断口SEM分析表明铁电陶瓷电疲劳机制主要为畴钉扎机制和内应力集中造成沿晶微裂纹.
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