【摘要】 研制出一种新型ＰＴＣＲ热敏电阻复合材料，其微观结构致密，颗粒分布均匀；常温比体积电阻率为１０Ω·ｃｍ，ＰＴＣ效应高达８个数量级以上，耐压强度大于３００Ｖ／ｍｍ，且有大的电阻温度系数，良好的热重复性更多还原

【Abstract】 A new type of PTCR thermistor composite material has been made. It has dense microstructure, uniform particle distribution, volume resistivity at room temperature 10 Ω·cm,PTC effect more than 8 orders of magnitude, dielectric strength>300 V/mm,large temperature coefficient of resistivity and excellent heat reproducibility.更多还原