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请教压电陶瓷极化前后介电常数变化的规律

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wooden1972 王 2006-08-05 12:30:22

压电陶瓷极化后介电常数有的变大 有的变小有没有规律可循?
cnfsjdx cnfsjdx  2006-08-08 11:49:59

极化前后介电常数的变化与压电陶瓷的结构有关,位于四方相的极化后,介电上升;位于菱方相的,极化后,介电下降. 
星? 寒夜  2006-08-09 11:42:40

与材料配方组成有关,主要是Zr/Ti比的差异 

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