The mechanical behavior of different types of polycrystalline materials shows many common features in the ductile inelastic flow regime. It is typically controlled by dislocations motion, which involves the competitive action of hardening and recovery processes that induces a strong dependency upon mechanical history. The object of this paper is to show how a constitutive model, named SUVIC, can be used to describe and predict in a unified manner the inelastic response of various types of materials. For that purpose, the authors use laboratory test results obtained on alkali halides (NaCl) and on metallic alloys (Inconel 738LC and A508 steel) at different homologous temperatures.
Application of a Unified Viscoplastic Model With Mixed Hardening to Ionic Solids and Metallic Alloys
Contributed by the Materials Division for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received by the Materials Division, October 17, 2000; revised manuscript received November 11, 2001. Associate Editor: D. Marquis.
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Yahya, O. M. L., and Aubertin, M. (March 26, 2002). "Application of a Unified Viscoplastic Model With Mixed Hardening to Ionic Solids and Metallic Alloys ." ASME. J. Eng. Mater. Technol. April 2002; 124(2): 103–111. https://doi.org/10.1115/1.1446865
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