Consolidating Mechanism of High Volume Fraction of SiCp/Al Composites by SPS

doi:10.3724/SP.J.1077.2007.00695

Abstract

Abstract: 60vol%SiC_p/Al composites with high relative density of 99% were fabricated by spark plasma sintering (SPS). The consolidating mechanism of SiC_p/Al composites by SPS was analyzed on two aspects: (1) the adjustment of sintering parameters; (2) the effect of electric field. The results indicate that the consolidating procedure of SiC_p/Al composites
by SPS is mainly dependent on the proper adjustment of temperature, pressure and heating-rate which make Al melt and adhere SiC particles without spraying out of the graphite dies; no obvious spark appears during the sintering, which may result from the weak electric field.

Key words: SPS, SiC p/Al composites, sintering parameter, electric field

CLC Number:

TB33

YANG Mei-Jun,ZHANG Dong-Ming,ZHANG Lian-Meng,GU Xiao-Feng. Consolidating Mechanism of High Volume Fraction of SiC_p/Al Composites by SPS[J]. Journal of Inorganic Materials, DOI: 10.3724/SP.J.1077.2007.00695.

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Consolidating Mechanism of High Volume Fraction of SiC_p/Al Composites by SPS

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