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Single-Crystal Plasticity: Statistical Physics and Experiments

Published

Author(s)

Lyle E. Levine, R M. Thomson, M Savage, D E. Kramer, Y Shim

Abstract

Although deformation usually appears to be a smooth process at the macroscopic scale, at smaller scales it is highly heterogeneous in both time and space, with fluctuations playing a crucial role. Over the past several years, we have used a variety of statistical physics approaches to understand these fluctuations and connect the various length scales from individual dislocations up to single grains. In direct support of this effort, in situ atomic force microscopy, transmission electron microscopy and orientational imaging microscopy investigations have been carried out on single-crystal aluminum tensile specimens with a wide range of tensile axis orientations.
Citation
Plasticity

Keywords

atomic force microscopy, dislocations, percolation theory, plastic deformation, slip bands, slip lines

Citation

Levine, L. , Thomson, R. , Savage, M. , Kramer, D. and Shim, Y. (2008), Single-Crystal Plasticity: Statistical Physics and Experiments, Plasticity (Accessed May 21, 2024)

Issues

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Created October 16, 2008