Nanostructured Bulk Ceramics (Part IV. Polymer Precursor Derived Nanoceramics)

  • Han, Young-Hwan (School of Materials Science and Engineering, Yeungnam University) ;
  • Mukherjee, Amiya K. (University of California, Chemical Engineering & Materials Science, One Shields Avenue)
  • 투고 : 2010.02.19
  • 심사 : 2010.03.09
  • 발행 : 2010.05.31


In the last (fourth) section, the discussion will entail a silicon-nitride/silicon-carbide nanocomposite, produced by pyrolysis of liquid polymer precursors, demonstrating one of the lowest creep rates reported so far in ceramics at the comparable temperature of $1400^{\circ}C$. This was first achieved by avoiding the oxynitride glass phase at the intergrain boundaries. One important factor in the processing of these nanocomposites was the use of the electrical field assisted sintering method.


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