Paper Title:
Fabrication of Nanocrystalline Superplastic ZrO2 Ceramics
  Abstract

An average particle size of d ≈ 300 nm can be reduced to a nanocrystalline size of about 10 nm or less after 400 h HEBM process. Amorphous-like phase is also observed among the nanocrystalline particles. Using SPS, the nanocrystalline powder can successfully be consolidated into a dense nanocrystalline ZrO2-spinel composite of d ≈ 90 nm. As compared with the data for submicro-grain composite with d = 350 nm, nano-crystalization increased the strain rate by one order of magnitude or lowered the deforming temperature by about 100 K.

  Info
Periodical
Materials Science Forum (Volumes 551-552)
Edited by
K.F. Zhang
Pages
491-496
DOI
10.4028/www.scientific.net/MSF.551-552.491
Citation
K. Morita, K. Hiraga, B. N. Kim, H. Yoshida, Y. Sakka, "Fabrication of Nanocrystalline Superplastic ZrO2 Ceramics", Materials Science Forum, Vols. 551-552, pp. 491-496, 2007
Online since
July 2007
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Price
$32.00
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