POROUS CERAMIC - METAL COMPOSITES OBTAINED BY INFILTRATION METHODS

被引：0
|
作者：
Boczkowska, A. [1 ]
Chabera, P. [1 ]
Dolata, A. J. [2 ]
Dyzia, M. [2 ]
Ozieblo, A. [3 ]
机构：
[1] Warsaw Univ Technol, Fac Mat Sci & Engn, Warsaw, Poland
[2] Silesian Tech Univ, Fac Mat Sci & Met, Katowice, Poland
[3] Inst Ceram & Construct Mat, Katowice, Poland
来源：
METALURGIJA | 2013年 / 52卷 / 03期
关键词：
porous ceramics; cast aluminum alloy; composite; pressure infiltration; PRESSURELESS INFILTRATION;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A pressure-vacuum infiltration (T = 720 degrees C, p = 15 MPa, t = 15 min) and gas-pressure infiltration (GPI) in an autoclave (T = 700 degrees C, p=4 MPa, t=5 min) were applied for infiltration of porous Al2O3 ceramics by cast aluminum alloy. Effect of the method of the infiltration on the microstructure and mechanical properties of ceramic-metal composites, was studied. Ceramic preforms were formed by method of copying the cellular structure of the polymer matrix. The results of the X-ray tomography proved very good infiltration of the pores by the metal for each method.
引用
收藏
页码：345 / 348
页数：4
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