Microstructure and mechanical properties of oxide eutectic fibers

S. D. Durbin, A. Yoshikawa, K. Hasegawa, J. H. Lee, B. M. Epelbaum, T. Fukuda, Y. Waku

研究成果: Conference article査読

1 被引用数 (Scopus)

抄録

Some oxide eutectic materials, such as sapphire/YAG, display an intricate 'Chinese script' microstructure which strongly influences properties such as mechanical strength. We used the micro pulling-down technique to grow fibers of a series of such materials at rates over 20 mm/min, giving a uniform microstructure with a characteristic size as low as 150 nm. Bulk and surface characteristics of this microstructure were investigated by electron and atomic force microscopy. Smaller microstructure size gave higher tensile strength at 1500°C. Annealing of the fibers produced some coarsening of the microstructure, but increased the strength at lower temperatures.

本文言語English
ページ(範囲)577-582
ページ数6
ジャーナルMaterials Research Society Symposium - Proceedings
581
出版ステータスPublished - 2000
イベントThe 1999 MRS Fall Meeting - Symposium F 'Nanophase and Nanocomposite Materials III' - Boston, MA, USA
継続期間: 1999 11 291999 12 2

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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