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Preparation of amorphous Si-B-C-N powders and nano-sized ceramics

  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Amorphous nano-sized silicoboron carbonitride (Si-B-C-N) powders with average grain size <50 nm were fabricated by high energy shaker mill using hexagonal boron nitride, graphite and amorphous silicon powders as starting materials. The powders were consolidated by spark plasma sintering at 1900° and 1950°C. Amorphous phase were partially retained in ceramic sintered at 1900°C. For ceramic sintered at 1950°C, amorphous Si-B-C-N ceramic transferred to hexagonal BN and cubic SiC.

Original languageEnglish
Pages (from-to)1218-1220
Number of pages3
JournalKey Engineering Materials
Volume336-338 II
DOIs
StatePublished - 2007

Keywords

  • Mechanical alloying
  • SiBCN
  • Spark plasma sintering

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