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Journal of Inorganic Materials

Journal of Inorganic Materials >

2007 , Vol. 22 >Issue 4: 695 - 700

DOI: https://doi.org/10.3724/SP.J.1077.2007.00695

Research Paper

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

  • YANG Mei-Jun ,
  • ZHANG Dong-Ming ,
  • ZHANG Lian-Meng ,
  • GU Xiao-Feng
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  • State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China

Received date: 2006-07-28

  Revised date: 2006-11-06

  Online published: 2007-07-20

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Abstract

60vol%SiCp/Al composites with high relative density of 99% were fabricated by spark plasma sintering (SPS). The consolidating mechanism of SiCp/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 SiCp/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

Cite this article

YANG Mei-Jun , ZHANG Dong-Ming , ZHANG Lian-Meng , GU Xiao-Feng . Consolidating Mechanism of High Volume Fraction of SiCp/Al Composites by SPS[J]. Journal of Inorganic Materials, 2007 , 22(4) : 695 -700 . DOI: 10.3724/SP.J.1077.2007.00695

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