采用湿法拉膜成型工艺,以收缩率大的(Zn0.7Mg0.3)TiO3(简称ZMT3)材料作为夹层材料,以收缩率相对小的铁氧体材料(Ni0.8Zn0.12Cu0.12)Fe1.96O4(简称NZC)作为两边收缩控制层,获得"三明治"叠层结构.以独特的零收缩差技术,制备了界面结合紧密,无翘曲变形、开裂等缺陷,可于900℃烧结的"三明治"结构叠层共烧体,其最佳介电性能为:εr=12,tanδ=9.84×10-4.这项新技术的提出,为解决异种材料共烧时所经常产生的翘曲、变形等缺陷提供了一种新的解决思路.
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