Application of a Unified Viscoplastic Model With Mixed Hardening to Ionic Solids and Metallic Alloys

Autor:	O. M. L. Yahya, Michel Aubertin
Rok vydání:	2002
Předmět:	Materials science Viscoplasticity Mechanical Engineering Constitutive equation Metallurgy Strain hardening exponent Plasticity Condensed Matter Physics Creep Mechanics of Materials Hardening (metallurgy) General Materials Science Composite material Dislocation Inconel
Zdroj:	Journal of Engineering Materials and Technology. 124:103-111
ISSN:	1528-8889 0094-4289
DOI:	10.1115/1.1446865
Popis:	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.
Databáze:	OpenAIRE
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