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Manufacture of SiC/FeSi_x composite by reactive infiltration

LIU Xiao-pan,WAN Long, WANG Long,CHEN Jian-lin (School of Material Science and Engineering, Huan University Hunan, Chang sha 410082, China)  
In order to synthesize composite materials free of residual silicon phase, we have investigated reaction forming of SiC/FeSix by the infiltration of SiC/C/Fe performs using silicon melts. Experiment' s result show that dense SiC/FeSix materials free of residual silicon can be obtained. Room temperature strength of this material is 220 ?Mpa. A model on the relationship between ferrous concentration and the components of second phrase is proposed. The effect of heat - treatment on the sinters is discussed.
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