为探索PZT压电陶瓷材料的损耗机理,对Pb0.9Ba0.05Sr0.05(Sn1/3Nb2/3)0.06(Zn1/3Nb2/3)0.06Ti0.44Zr0.4403分别进行Co2O3、Sb2O3掺杂,Mn(NO3)2、Sb2O3掺杂的实验,以及陶瓷的不同成型工艺的比较实验.该PBSZT体系在相同烧结条件下,一定量的Sb2O,Mn(NO3)2掺杂下,体系机械损耗与介电损耗之比为0.09左右;而一定量的Co2O3、Sb2O3掺杂时,则其值在0.55左右.表明一定的材料组成下,机械损耗和介电损耗有较好的相关性,但同时不同成型方法也对同一组成的两种损耗的比值影响较大.
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