InfiltrationkineticsofpressurelessinfiltrationinSiCp/Alcomposites

被引：0

作者：

秦振凯

于家康

张小宇

机构：

[1] State Key Laboratory of Solidification Processing

[2] Northwestern Polytechnical University

[3] Xi′an

[4] China

来源：

TransactionsofNonferrousMetalsSocietyofChina | 2005年 / 02期

关键词：

SiC_p composites; metal matrix composites; pressureless infiltration; kinetics; electronic packaging;

D O I：

暂无

中图分类号：

TB333 [金属－非金属复合材料];

学科分类号：

0805 ; 080502 ;

摘要：

The pressureless infiltration kinetics was investigated by plotting the infiltration distance as function of the infiltration time. The effects of key process parameters such as time, temperature, Mg content on the pressureless infiltration of silicon carbide particle compacts were studied and quantified. The preform with high volume fraction SiC was obtained by mixing SiC particles with bimodal size distribution, whose diameters are 5 and 50 μm, respectively. The results show that an incubation period exists before infiltration, the influence of temperature on the incubation time exceeds that of Mg content, infiltration rate increases with the increasing temperature and Mg content, infiltration rate decreases as Mg consumes. A model of macroscopical infiltration and microscopical infiltration of liquid alloy in porous SiC preform was proposed.

引用

页码：371 / 374

页数：4

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