通过结构设计提高低介质损耗LTCC材料的抗弯强度

IF 1.7 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

Journal of Electroceramics Pub Date : 2022-10-12 DOI:10.1007/s10832-022-00296-5

Huaizhi Wang, Yue Leng, Yaoyi Chen, Haiyi Peng, Haishen Ren, Tianyi Xie, Huixing Lin, Fancheng Meng

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引用次数: 0

摘要

为了提高BaZrO3 (BZ)/BaO-MgO-ZnO-SiO2-B2O3 (BBSMZ)玻璃的抗弯强度，在低温共烧陶瓷中添加了片状氧化铝填料。研究了片状氧化铝填料对BaZrO3/BaO-MgO-ZnO-SiO2-B2O3的物相、显微组织、介电性能和力学性能的影响。随着片状Al2O3含量的增加，片状Al2O3相出现，BaZrO3、BaZr(BO3)2、BaZn2Si2O7相减少，介电常数降低，介电损耗增大。片状Al2O3的加入，提高了材料的机械强度。在相同烧结条件下，层合试样的抗弯强度(205 MPa)比相同含量片状氧化铝块状试样(124 MPa)提高了近60%，比不含片状氧化铝块状试样(78 MPa)提高了162%。BZ-BBSMZ-5 wt%片状Al2O3陶瓷在940℃下烧结良好，tanδ = 4.82*10 - 4 (10 GHz)， εr = 11.66。试样的抗弯强度为205 Mpa。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Improving bending strength of LTCC materials with low dielectric loss by structural design

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Improving bending strength of LTCC materials with low dielectric loss by structural design

The flake alumina filler is added to improve the bending strength in BaZrO₃ (BZ)/BaO-MgO-ZnO-SiO₂-B₂O₃ (BBSMZ) glass for the application of low temperature co-fired ceramics. The effects of flake alumina filler for BaZrO₃/BaO-MgO-ZnO-SiO₂-B₂O₃ on phase, microstructure, dielectric and mechanical property are studied. With the increase of flake Al₂O₃ content, flake Al₂O₃ phase appears, BaZrO₃, BaZr(BO₃)_2, BaZn₂Si₂O₇ phase decreases, dielectric constant decreases and dielectric loss increases. By adding flake Al₂O₃, the mechanical strength of the material increases. Under the same sintering conditions, the bending strength (205 MPa) of the laminated sample increased by nearly 60% compared with the same content flake alumina block sample (124 MPa), and increased by 162% compared with the sample without flake alumina (78 MPa). BZ-BBSMZ-5 wt% flake Al₂O₃ ceramic sintered satisfactorily at 940 °C with tanδ = 4.82*10^–4 (10 GHz), ε_r = 11.66. The bending strength of the sample is 205 Mpa.

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来源期刊

Journal of Electroceramics 工程技术-材料科学：硅酸盐

CiteScore

2.80

自引率

5.90%

发文量

审稿时长

5.7 months

期刊介绍： While ceramics have traditionally been admired for their mechanical, chemical and thermal stability, their unique electrical, optical and magnetic properties have become of increasing importance in many key technologies including communications, energy conversion and storage, electronics and automation. Electroceramics benefit greatly from their versatility in properties including: -insulating to metallic and fast ion conductivity -piezo-, ferro-, and pyro-electricity -electro- and nonlinear optical properties -feromagnetism. When combined with thermal, mechanical, and chemical stability, these properties often render them the materials of choice. The Journal of Electroceramics is dedicated to providing a forum of discussion cutting across issues in electrical, optical, and magnetic ceramics. Driven by the need for miniaturization, cost, and enhanced functionality, the field of electroceramics is growing rapidly in many new directions. The Journal encourages discussions of resultant trends concerning silicon-electroceramic integration, nanotechnology, ceramic-polymer composites, grain boundary and defect engineering, etc.