Effect of plastic anisotropy on stress–strain field in thin rotating disks

The plane state of stress in a plastically anisotropic, thin rotating disk of constant thickness and density is studied, and effect of material anisotropy on the stress–strain distribution is analyzed. The original semi-analytical method is developed for determination of displacement field and strai...

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Bibliographic Details
Published in:Thin-walled structures 2006-08, Vol.44 (8), p.897-903
Main Authors: Alexandrova, N., Vila Real, P.M.M.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Hill's anisotropic yield criterion
Inelasticity (thermoplasticity, viscoplasticity...)
Physics
Rotating disk
Semi-analytical approach
Solid mechanics
Static elasticity (thermoelasticity...)
Stress–strain field
Structural and continuum mechanics
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Summary:The plane state of stress in a plastically anisotropic, thin rotating disk of constant thickness and density is studied, and effect of material anisotropy on the stress–strain distribution is analyzed. The original semi-analytical method is developed for determination of displacement field and strain distribution. The material of the disk is assumed to be plastically anisotropic obeying the Hill's quadratic yield criterion but isotropic towards the elastic properties. A good agreement between the theoretically predicted response of the materials and real ones is observed.
ISSN:0263-8231
1879-3223
DOI:10.1016/j.tws.2006.08.018