0.55Pb(Ni1/3Nb2/3)3-0.45Pb(Zr0.3Ti0.7)O3(0.55PNN-0.45PZT)组分的弛豫型压电陶瓷因具有较高的压电性能,已被作为制备含金属芯压电陶瓷纤维的材料等使用.为了进一步提高压电陶瓷纤维的电学性能,采用传统固相烧结法制备了0.55PNN-0.45PZT压电陶瓷,研究了烧结温度对材料结构、表面形貌和电学性能的影响.结果表明,在烧结温度为1200℃时,材料的各方面性能较佳:密度为8.12g/cm3,d33=850pC/N,kp=0.62,εr=7317,tanδ=0.033,Qm=41.66.
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