SOME EFFECTS OF EUTECTIC LIQUID UNDER REDUCING CONDITIONS IN THE ALUMINA TIN DIOXIDE TIN COMPOSITE SYSTEM

被引：10
|
作者：
MORGAN, PED
HOUSLEY, RM
机构：
[1] Rockwell Science Center, Thousand Oaks, California
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1995年 / 78卷 / 01期
关键词：
D O I：
10.1111/j.1151-2916.1995.tb08400.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：
Tin dioxide (SnO2, cassiterite) is one of the few simple oxides that do not react with alumina below a eutectic at 1620 degrees C in air. Consequently it has been of interest for weak interfacial coatings on alumina for ceramic-matrix composites (CMCs). However, at low oxygen potentials in the Al-Sn-O ternary system an oxidic eutectic liquid containing dissolved tin appears at 1045 degrees C and readily attacks the alumina; this bears some resemblance to liquid phenomena encountered in the Ag-HTSC (high-temperature superconductor) systems.
引用
收藏
页码：263 / 265
页数：3
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