【摘要】 本文研究了Bi2O3·nTiO2、Pb2+、Mn2+和Zn2+对SrTiO3基高压电容器陶瓷的改性作用,获得了2B4组的高压电容器瓷料,其性能指标如下:ε20℃=2000±100　　　tgδ≤50×10-4　　　ρv>1011Ω·cmΔε/ε20℃<±10%Ts=1200±10℃Eb>9kV/mm更多还原

【Abstract】 Modification effect on SrTiO 3 systems by using Bi 2O 3· n TiO 2 and Pb 2+ Mn 2+ Zn 2+ are studied. 2B4 high voltage capacitor ceramics is obtained, whose main spcifications are as following: ε 20 ℃ =2000±100 tg δ≤50×10 -4 ρ v>10 11 Ω·cm Δ ε/ε 20 ℃ <±10% T s=1200±10℃ E b>9 kV/mm更多还原