复合BN的PTC热敏陶瓷性能的研究  

Study on PTC Thermal Sensitive Ceramics Properties Compounded With BN

作　　者：徐海萍[1] 

机构地区：[1]太原理工大学理学院,山西太原030024

出　　处：《电子工艺技术》2002年第3期132-133,136,共3页Electronics Process Technology

基　　金：山西省自然科学基金资助 (2 0 0 0 1 0 1 3)。

摘　　要：以 (Ba,Sr)TiO3 为主要原料 ,适当引入半导化施主元素Y2 O3 等 ,用BN进行复合制备样品。研究了BN对材料PTC热敏特性及微观形貌的影响 ,讨论了烧成温度对产物性能的影响 。Samples are prepared by (Ba,Sr)TiO 3 as main raw material and Y 2O 3 et al as some semiconductorized dopants,then are compounded with BN.The effects of BN on the heat-sensitive property and microstructure of the samples and sintering temperature are studied. The semiconductor mechanism is explained.

关 键 词：复合BN PTC 热敏陶瓷 热敏特性 半导机理 热敏电阻 氮化硼 掺杂 

分 类 号：TN305.3[电子电信—物理电子学]