Creep Behavior of Pore-Free Polycrystalline Aluminum Oxide
- 1 May 1961
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 32 (5), 773-778
- https://doi.org/10.1063/1.1736104
Abstract
Creep in pore‐free polycrystalline aluminum oxide has been studied as a function of temperature, grain size, and strain rate. The behavior may be described by , where d is the mean grain diameter. Deformation is not controlled by basal slip but by a diffusional creep process as described by Nabarro and Herring, [F. R. N. Nabarro, Conference on Strength of Solids (The Physical Society, London, 1948), p. 75; C. Herring, J. Appl. Phys. 21, 437 (1950)].
Keywords
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