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J. Korean Ceram. Soc. > Volume 47(3); 2010 > Article
Journal of the Korean Ceramic Society 2010;47(3): 205.
doi: https://doi.org/10.4191/kcers.2010.47.3.205
Nanostructured Bulk Ceramics (Part IV. Polymer Precursor Derived Nanoceramics)
Young-Hwan Han, Amiya K. Mukherjee1
School of Materials Science and Engineering, Yeungnam University
1University of California, Chemical Engineering & Materials Science, One Shields Avenue
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.
Key words: $Si_3N_4$/SiC, Polymer precursor, Creep, Amorphous Si-C-N, EFAS, Superplastic formability
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