Protection study of aluminium matrix composites reinforced with SiC particulates coated with sol-gel active barriers

被引：2
|
作者：
Ureña, A [1 ]
Rams, J [1 ]
Escalera, MD [1 ]
Campo, YM [1 ]
机构：
[1] Univ Rey Juan Carlos, Escuela Super Ciencias Expt & Ingn, Dept Ciencias Expt & Ingn, Madrid 28933, Spain
来源：
BOLETIN DE LA SOCIEDAD ESPANOLA DE CERAMICA Y VIDRIO | 2004年 / 43卷 / 02期
关键词：
SiC; aluminium; composites; silica; sol-gel; reactivity;
D O I：
10.3989/cyv.2004.v43.i2.551
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：
A microcrystalline, homogeneous and transparent sot - gel silica coating has been developed to avoid the degradation and improve the wettability of aluminium matrix composites reinforced with SiC particles. Composite aluminium matrix samples have been made by cold powder compaction, and the coating efficiency has been checked by melting the samples several temperature and times. The coating reduces the appearance of Al4C3, showing that the degradation resistance of the new material is much higher than that of the uncovered SiC particles composite one.
引用
收藏
页码：397 / 400
页数：4
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