An apparatus has been developed for performing compression deformation experiments on oriented metallic single crystals to provide data for validation of 3-D dislocation dynamics simulations. The experiment is performed under conditions that allow unconstrained motion of the upper and lower compression platen, and thus a relatively uniform state of axial stress is maintained during the deformation. Experiments have been performed on high-purity Mo single crystal and polycrystalline Cu. Various aspects of the experimental procedures and results are presented. Possible usages of the experimental data for the validation of 3-D dislocation dynamics simulations are discussed.
Uniaxial Stress Deformation Experiment for Validation of 3-D Dislocation Dynamics Simulations
Contributed by the Materials Division for publication in the Journal of Engineering Materials and Technology. Manuscript received by the Materials Division January 17, 2002; revised manuscript received February 15, 2002. Guest Editors: Tariq A. Khraishi and Hussein M. Zbib.
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Lassila, D. H., LeBlanc , M. M., and Kay , G. J. (June 10, 2002). "Uniaxial Stress Deformation Experiment for Validation of 3-D Dislocation Dynamics Simulations ." ASME. J. Eng. Mater. Technol. July 2002; 124(3): 290–296. https://doi.org/10.1115/1.1479177
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