The dependences of the thermal and electric properties of (Ba,Pb)TiO 3 ceramies on BN do|ping have been investigated.

• 讨论了氮化硼 (BN)掺杂对 (Ba；Pb)TiO3热敏陶瓷的热学性能、电学性能及晶粒尺寸的影响 ；指出了传统的PTC陶瓷电阻达到最大值后下降较快的原因 .