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研究了Ｃｒ／ＢａＴｉＯ３基正温度系数（ＰＴＣ）陶瓷复合材料的配比、制备工艺、结构对性能的影响。在本研究配方及Ｘｉ艺条件下，Ｃｒ／ＰＴＣ陶瓷复合材料具有低的室温电阻率和ＰＴＣ特性。
The effects of the ratio, the preparation process and the structure of Cr / BaTiO3 PTC ceramics on the properties were investigated. The Cr / PTC ceramic composites have low room-temperature resistivity and PTC properties under this recipe and Xi-Yi condition.