Superplastic characteristics in germania based codoped Y-TZP

K. Sasaki, M. Nakano, J. Mimurada, Y. Ikuhara, T. Sakuma

研究成果: Conference article査読

5 被引用数 (Scopus)

抄録

The superplastic characteristics in 3 mol% yttria doped tetragonal zirconia polycrystals (TZP) were drastically improved by the combined addition of germanium oxide and other dopants (titanium oxide, magnesium oxide, and calcium oxide) giving rise to 1000% elongation under optimum conditions. Extensive work hardening of the co-doped compositions for temperatures above 1400°C was observed. These were unique features which could not be explained from the work hardening due to dynamic grain growth. Rather it is proposed that the metastable nature of these co-doped materials, which changes during deformation is the cause of this exaggerated work hardening.

本文言語English
ページ(範囲)129-134
ページ数6
ジャーナルMaterials Science Forum
357-359
DOI
出版ステータスPublished - 2001
外部発表はい
イベントSuperplasticity in Advanced Materials (ICSAM-2000) - Orlando, FL, United States
継続期間: 2000 8 12000 8 4

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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