Vitreous joining process of SiCf/SiC composites

被引：16
|
作者：
Lemoine, P [1 ]
Ferraris, M [1 ]
Salvo, M [1 ]
Montorsi, MA [1 ]
机构：
[1] POLITECN TORINO, DEPT MAT SCI & CHEM ENGN, I-10129 TURIN, ITALY
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 1996年 / 16卷 / 11期
关键词：
D O I：
10.1016/0955-2219(96)00056-8
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 reactive joining of an SiCf-/SiC composite with a zinc borate glass was studied at various temperatures, in order to optimize the joining process and to fully understand the reactivity between glass and composite. A temperature-dependent gas-producing redox reaction between ZnO and SiC was found to give gradual disappearance of the bubbles and crystallites always present in the range from 700 to 1200 degrees C, and to yield a highly amorphous, bubble-free joint. This study permitted us to prepare single lap shear test specimens with minimal void content in the joint, i.e. a fully reacted and amorphous joint. The shear strength value obtained for these joints was higher than 15 MPa at room temperature. Copyright (C) 1996 Elsevier Science Ltd
引用
收藏
页码：1231 / 1236
页数：6
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