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2. Creep behavior of nanocrystalline monoclinic ZrO2

Author

Michael J. Roddy, Horst Hahn, W. Roger Cannon, and Ganish Skandan

Subjects
Coble creep, Grain growth, Materials science, Creep, Materials Chemistry, Ceramics and Composites, Mineralogy, Diffusion creep, Grain boundary, Composite material, Nanocrystalline material, Grain Boundary Sliding, Monoclinic crystal system
Abstract

Creep of nanocrystalline monoclinic zirconia, grain sizes of 75, 125, 175 nm were tested at 950 and 1000 °C. Dynamic grain growth occurred during creep but results were corrected for grain growth. Creep behavior followed an n =1.7 and p =3 behavior. It is proposed that grain boundary sliding is an active mechanism and results fit with Coble creep behavior.

Published
2002
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