利用传统固相烧结法制备了0.02Pb(Sb_(0.5)Nb_(0.5))O_3-0.98Pb_(1-2 x)Ba_xSr_x(Zr_(0.53)Ti_(0.47))O_3压电陶瓷(其中x=0.02,0.03,0.04,0.05).讨论了不同Ba、Sr复合掺杂量及烧结温度对陶瓷结构和电性能的影响.结果显示,当x=0.04,烧结...利用传统固相烧结法制备了0.02Pb(Sb_(0.5)Nb_(0.5))O_3-0.98Pb_(1-2 x)Ba_xSr_x(Zr_(0.53)Ti_(0.47))O_3压电陶瓷(其中x=0.02,0.03,0.04,0.05).讨论了不同Ba、Sr复合掺杂量及烧结温度对陶瓷结构和电性能的影响.结果显示,当x=0.04,烧结温度为1 260℃时,压电陶瓷的性能最佳,其中d_(33)=615 p C/N,ε_(33)/ε_0=2 224,tanδ=2.11%;然后把这个配方的陶瓷片安装到传感器中,测试其电荷灵敏度、最大横向灵敏度比和最大线性误差,电荷灵敏度为2.72 p C/(m·s^(-2)),最大横向灵敏度比小于5%,最大线性误差为2.97%,符合通用振动测试类型传感器使用要求.展开更多
Lead zirconate titanate(PSN-PZT) is widely utilized in various areas based on its desirable piezoelectrical properties and stable performance.In order to further improve its electrical properties,the ceramic samples,w...Lead zirconate titanate(PSN-PZT) is widely utilized in various areas based on its desirable piezoelectrical properties and stable performance.In order to further improve its electrical properties,the ceramic samples,which have been prepared by traditional solid-state sintering,then are re-heated by strong laser beam.Phase composition and micro-structure have been characterized through XRD,SEM and TEM.Also,Quasi-static d_(33) tester and the capacitance tester have been introduced for measuring electrical performances.The experimental results indicate that the ceramic samples are with more amount percentage tetragonal phase after laser re-heating.Cracks could be induced and initialized by higher input laser intensity.TEM results suggested that,when the input laser power is at 1000 W,tetragonal and rhombohedral phases are co-existed and the ceramic samples are with the best electrical properties.The ceramics heated by power of 1000 W present excellent electric properties,d_(33) increased 24.8%,and tanS decreased 9%,which is distinguish advance compared with original ceramics in solid reaction.展开更多
文摘利用传统固相烧结法制备了0.02Pb(Sb_(0.5)Nb_(0.5))O_3-0.98Pb_(1-2 x)Ba_xSr_x(Zr_(0.53)Ti_(0.47))O_3压电陶瓷(其中x=0.02,0.03,0.04,0.05).讨论了不同Ba、Sr复合掺杂量及烧结温度对陶瓷结构和电性能的影响.结果显示,当x=0.04,烧结温度为1 260℃时,压电陶瓷的性能最佳,其中d_(33)=615 p C/N,ε_(33)/ε_0=2 224,tanδ=2.11%;然后把这个配方的陶瓷片安装到传感器中,测试其电荷灵敏度、最大横向灵敏度比和最大线性误差,电荷灵敏度为2.72 p C/(m·s^(-2)),最大横向灵敏度比小于5%,最大线性误差为2.97%,符合通用振动测试类型传感器使用要求.
基金financial support of the International cooperation project of Guizhou Province[No.(2013)3075)]the Science and technology support project of Guizhou Province[No.(2012)7010]
文摘Lead zirconate titanate(PSN-PZT) is widely utilized in various areas based on its desirable piezoelectrical properties and stable performance.In order to further improve its electrical properties,the ceramic samples,which have been prepared by traditional solid-state sintering,then are re-heated by strong laser beam.Phase composition and micro-structure have been characterized through XRD,SEM and TEM.Also,Quasi-static d_(33) tester and the capacitance tester have been introduced for measuring electrical performances.The experimental results indicate that the ceramic samples are with more amount percentage tetragonal phase after laser re-heating.Cracks could be induced and initialized by higher input laser intensity.TEM results suggested that,when the input laser power is at 1000 W,tetragonal and rhombohedral phases are co-existed and the ceramic samples are with the best electrical properties.The ceramics heated by power of 1000 W present excellent electric properties,d_(33) increased 24.8%,and tanS decreased 9%,which is distinguish advance compared with original ceramics in solid reaction.
