Optimal design of borosilicate glass/alumina tape-casting slurries and study of sintering properties

被引：0
作者：
Li, Xia [1 ]
Zhou, Hong-Qing [1 ]
Ren, Lu-Chao [1 ]
Xie, Wen-Tao [1 ]
Tang, Guo-Wei [1 ]
机构：
[1] State Key Lab. of Materials-Oriented Chemical Engineering College of Materials Sci. and Engineering, Nanjing Tech University, Nanjing
来源：
Gongneng Cailiao/Journal of Functional Materials | 2014年 / 45卷 / 18期
关键词：
Borosilicate glass/alumina; Dielectric properties; LTCC; Microstructure; Tape casting;
D O I：
10.3969/j.issn.1001-9731.2014.18.010
中图分类号：
学科分类号：
摘要：
The influence of different solvent systems and the dispersant content on the rheological properties of glass/alumina were investigated using efficient tape casting technology. Slurry formulations were optimized by the method of changing the ration of the inorganic to the total present in tape and the ration of plasticizer to binder. The effect of tape-casting slurry composition on bulk density of green tape and bulk density, microstructure and phase of the sintered samples was studied in detail. The results showed that the appropriate composition and content of slurries improved bulk density, dielectric properties and microstructure of sintered samples. The samples sintered at 850℃ had a dielectric constant of 7.7, a dielectric loss of 2.0×10-4 and a thermal expansion coefficient of (7.30-7.65)×10-6/℃ in the range of 25-500℃, which satisfied with the requirements of LTCC packaging materials.
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页码：18047 / 18051
页数：4
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