通过在钙改性钛酸铅陶瓷材料中添加少量Pb(Zn1/2w1/2)O3、Pb(Ni1/3Nb2/3)O3和MnCO3,研制出了-种既有大机械品质因数又有大各向异性的压电陶瓷新材料.在预烧温度为845~905℃和烧结温度为1130~1190℃的范围内对新材料的微观结构、性能进行了讨论.当预烧温度为860~885℃,烧结温度为1160~1180℃时,样品的压电性能较佳.该材料可用于制作高温高频换能器.
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