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2008 , Vol. 23 >Issue 6: 1287 - 1292

DOI: https://doi.org/10.3724/SP.J.1077.2008.01287

研究论文

ZMT3/NZC“三明治”叠层结构低温共烧研究

  • 刘向春 ,
  • 田长生
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  • 1. 西安科技大学材料科学与工程系, 西安 710054; 2. 西北工业大学材料学院, 西安 710072

收稿日期: 2008-01-07

  修回日期: 2008-03-24

  网络出版日期: 2008-11-20

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Low-temperature Cofiring Behavior of ZMT3/NZC Sandwich Structure Composites

  • LIU Xiang-Chun ,
  • TIAN Chang-Sheng
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  • 1. Department of Materials Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China; 2. School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, China

Received date: 2008-01-07

  Revised date: 2008-03-24

  Online published: 2008-11-20

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摘要

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.

关键词： 陶瓷; 叠层共烧; 翘曲缺陷; 三明治结构; 复合材料

本文引用格式

刘向春 , 田长生 . ZMT3/NZC“三明治”叠层结构低温共烧研究[J]. 无机材料学报, 2008 , 23(6) : 1287 -1292 . DOI: 10.3724/SP.J.1077.2008.01287

Abstract

A novel zero-shrinkage-difference technique was introduced to eliminate the camber or cracks in cofired composites without the degradation, A sandwich structure of (Zn0.7Mg0.3)TiO3(ZMT3) dielectric/(Ni0.8Zn0.12Cu0.12)Fe1.96O4(NZC) ferrite multilayer composite was designed and prepared by using tape-casted technique, with ZMT3 as interlayer, and NZC as top and bottom layers. The produced sandwich structure shows no camber and cracks after being co-sintered. The cofired samples exhibit good dielectric performance (εr=12, tanδ=9.84×10-4), and low firing characteristics (900℃). Due to their dielectric performance, low firing characteristics, and realizable co-firing compatibility, the sandwich structure of ZMT3 dielectric/NZC ferrite multilayer composite can serve as the promising medium materials in the multilayer LC filter.

Key words： ceramics; cofired; camber; sandwich; composite

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