The Effect of Applied Stress on the Densification of a Low-Temperature Cofired Ceramic-Filled Glass System Under Constrained Sintering

被引：8
|
作者：
Chang, Jui-Chuan [1 ]
Jean, Jau-Ho [1 ]
Hung, Yao-Yi [2 ]
机构：
[1] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu 30013, Taiwan
[2] ACX Corp, Hsinchu 30352, Taiwan
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2009年 / 92卷 / 09期
关键词：
CYCLIC LOADING DILATOMETRY; RIGID SUBSTRATE; SANDWICH STRUCTURE; FILMS; VISCOSITY; COMPACTS; KINETICS;
D O I：
10.1111/j.1551-2916.2009.03158.x
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of uniaxial stress on the mechanical response and densification behavior of a low-fire borosilicate glass (BSG)+alumina system during constrained sintering of a multilayer BSG+alumina/alumina laminate has been investigated. Compared with free sintering, the pressure-less constrained sintering of BSG+alumina exhibits poorer densification, and larger porous bulk viscosity at a given temperature. This is caused by the in-plane tensile stress and anisotropic development generated in the transverse directions of the laminate during constrained sintering. The applied uniaxial stress required in the thickness direction to densify BSG+alumina under constrained sintering varies in the range of 50-400 kPa at 700 degrees-800 degrees C. The above results are in agreement with those calculated using the viscous analogy for the constitutive relationships of a porous sintering compact.
引用
收藏
页码：1946 / 1950
页数：5
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