文献类型：期刊文献

英文题名：Effects of Al2O3 on sinterability and properties of MgTiO3/CaO-B2O3-SiO2 dielectric ceramic composites

作者：Zhu, Xiaodong[1];Kong, Fantao[1];Ma, Xinsheng[1]

机构：[1]East China Univ Sci & Technol, Sch Chem Engn, Natl Engn Res Ctr Ultrafine Powder, Shanghai 200237, Peoples R China

年份：2018

卷号：29

期号：24

起止页码：20710

外文期刊名：JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS

收录：;EI(收录号：20184406002722);WOS:【SCI-EXPANDED(收录号:WOS:000449273300022)】；

基金：This work was supported by the Fundamental Research Funds for the China Central Universities (No. 222201817010).

语种：英文

外文关键词：Aluminum oxide - Alumina - Dielectric losses - Low-k dielectric - Temperature - Titanium compounds - Silica - Solid state reactions - Ceramic products - Microelectronics

摘要：Al2O3 amended the new-type MgTiO3/CaO-B2O3-SiO2 (CBS) ceramic composites for low temperature co-fired ceramic (LTCC) applications were prepared via solid-state reaction, and the sinterability, crystalline composition, microstructure and performance of the synthesized samples were determined. The Al2O3 additive significantly promoted the dielectric performance of the ceramic composites, but also effectively promoted the bulk density and mechanical performance of the composites. Compared with other experimental samples and commercial products, the composite sample doped 4wt% Al2O3 sintered at 850 degrees C for 60min showed superior performance, which comprised a relatively-high bulk density, dielectric constant (epsilon(r)) of 11.47, dielectric loss (tan) of 2.4x10(-4) and volume resistivity ((v)) of 12.80x10(11) cm at 1MHz, and flexural strength (sigma(f)) of 269.23MPa.