A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Polycrystalline Plasticity Under Small Strains
Toward finer descriptions of microstructures
Abstract After the pioneering work due to Taylor [1], crystal plasticity is a classical topic in the literature. A series of models have been elaborated in the past. Single crystal models came first, with a first type of models in the sixties, mainly applied to pure metals [2], and a second generation able also to represent more complex behaviors, for instance superalloys, in the eighties [3-5]. Transition rules from the macroscopic scale to the microscopic scale in the framework of simplified approaches, and the related homogenization theories, have been developed in the same time [6-9], allowing the user to account for strain or stress heterogeneities in a polycrystalline material element, with the assumption of uniform values in each phase. This last assumption is rather strong, since it does not account for the stress/strain redistribution into the grains, and cannot give any idea of important features like surface effect and grain boundary effect.
Polycrystalline Plasticity Under Small Strains
Toward finer descriptions of microstructures
Abstract After the pioneering work due to Taylor [1], crystal plasticity is a classical topic in the literature. A series of models have been elaborated in the past. Single crystal models came first, with a first type of models in the sixties, mainly applied to pure metals [2], and a second generation able also to represent more complex behaviors, for instance superalloys, in the eighties [3-5]. Transition rules from the macroscopic scale to the microscopic scale in the framework of simplified approaches, and the related homogenization theories, have been developed in the same time [6-9], allowing the user to account for strain or stress heterogeneities in a polycrystalline material element, with the assumption of uniform values in each phase. This last assumption is rather strong, since it does not account for the stress/strain redistribution into the grains, and cannot give any idea of important features like surface effect and grain boundary effect.
Polycrystalline Plasticity Under Small Strains
Toward finer descriptions of microstructures
Barbe, F. (author) / Forest, S. (author) / Cailletaud, G. (author)
2001-01-01
16 pages
Article/Chapter (Book)
Electronic Resource
English
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