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Fabrication of Si3N4/SiC nanocomposites by spark plasma sintering of amorphous SiCN powders derived from a polymeric precursor

  • Weiyou Yang
  • , Zhenkun Fan
  • , Huatao Wang
  • , Zhipeng Xie*
  • , Hezhuo Miao
  • , Linan An
  • *Corresponding author for this work
  • Ningbo University of Technology
  • Shandong Institute of Ceramics Research and Design
  • Tsinghua University
  • University of Central Florida

Research output: Contribution to journalArticlepeer-review

Abstract

Si3N4/SiC nanocomposites were fabricated by spark plasma sintering (SPS) of amorphous SiCN ceramic powders derived from a polymeric precursor with 3 wt% yttria as an additive. It was found that the SPS parameters, such as sintering temperature, dwell time, pressure and heating rate, remarkably affected the density and grain size of the nanocomposites obtained. This provided a new method to fabricate Si3N 4/SiC nanocomposites without applying the high pressure and high sintering temperature used by the conventional process.

Original languageEnglish
Pages (from-to)307-310
Number of pages4
JournalJournal of Ceramic Processing Research
Volume7
Issue number4
StatePublished - 2006
Externally publishedYes

Keywords

  • Polymeric precursor
  • SiNSiC nanocomposites
  • Spark plasma sintering

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