Being of particular interest in this work, the effect of the interaction law on the predicted non-linear overall and local behaviors of FCC polycrystals of two well-established self-consistent models is examined under uni, bi, and triaxial cyclic loading conditions. The principal difference between these models is related to their interaction laws. Comparisons between the predictions of the models are performed at the overall and local levels simultaneously. Some experimental cyclic results of two states of Waspaloy and 316L stainless steel are employed in calibrating the parameters of both models. The effects of loading complexity, aggregate type and the kinematic hardening on the polycrystal responses are investigated for each model. It is recognized that the connection between the aggregate constitution and the form of the loading paths play also an important role notably on the local responses of polycrystals.
A Comparison of Two Self-Consistent Models to Predict the Cyclic Behavior of Polycrystals
Contributed by the Materials Division for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received by the Materials Division February 10, 2003; revision received July 23, 2003. Associate Editor: M. Cherkaoui.
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Abdul-Latif, A. (January 22, 2004). "A Comparison of Two Self-Consistent Models to Predict the Cyclic Behavior of Polycrystals ." ASME. J. Eng. Mater. Technol. January 2004; 126(1): 62–69. https://doi.org/10.1115/1.1633572
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