๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

A self-consistent model of isotropic viscoplastic behavior in multiphase materials

โœ Scribed by Richard G. Stringfellow; David M. Parks


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
936 KB
Volume
7
Category
Article
ISSN
0749-6419

No coin nor oath required. For personal study only.

โœฆ Synopsis


We propose a simple, straightforward self-consistent method for predicting the inelastic stress-strain behavior of multiphase materials. Each constituent phase is modeled as an isotropic, incompressible viscoplastic solid. A self-consistent scheme is used to derive the properties of the composite. A small, nonlinear set of equations emerges which is solved using standard numerical techniques. The method is applied to a two-phase material with fixed phase fractions. Model predictions are compared with experimental data and results of other models.


๐Ÿ“œ SIMILAR VOLUMES


New integral formulation and self-consis
โœ M. Coulibaly; H. Sabar ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 398 KB

Predicting the overall behavior of heterogeneous materials, from their local properties at the scale of heterogeneities, represents a critical step in the design and modeling of new materials. Within this framework, an internal variables approach for scale transition problem in elastic-viscoplastic

A variational constitutive update algori
โœ Eduardo Fancello; Jakson M. Vassoler; Laurent Stainier ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 959 KB

In three-dimensional formulations of plasticity, the rate of plastic deformation is usually decomposed in direction and amplitude. In the most simple cases of von Mises type flows, this allows to assume a known radial flow direction and computations are reduced to the determination of the amplitude

A semi-analytical model for the behavior
โœ Jรฉrรดme Julien; Mihail Gฤƒrฤƒjeu; Jean-Claude Michel ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 974 KB

This paper presents a micromechanical model for a porous viscoplastic material containing two populations of pressurized voids of different sizes. Three scales are distinguished: the microscopic scale (corresponding to the size of the small voids), the mesoscopic scale (corresponding to the size of