Theoretical aspects of the testing of elasto-viscoelastic–viscoplastic materials

Through numerical simulation, a material with simultaneous, parallel elastic, viscoelastic and viscoplastic deformation characteristics has been studied. The main aim of this research was to devise experimental means of isolating the component stress contributions, thus facilitating internal variabl...

Full description

Saved in:
Bibliographic Details
Published in:Polymer testing 2008-04, Vol.27 (2), p.189-203
Main Authors: Holmes, D.W., Loughran, J.G.
Format: Article
Language:English
Subjects:
Applied sciences
Back stress
Elasto-viscoelastic–viscoplastic
Exact sciences and technology
Isotropic and kinematic hardening
Mechanical properties
Mechanical testing
Organic polymers
Physicochemistry of polymers
Properties and characterization
Stress isolation
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Through numerical simulation, a material with simultaneous, parallel elastic, viscoelastic and viscoplastic deformation characteristics has been studied. The main aim of this research was to devise experimental means of isolating the component stress contributions, thus facilitating internal variable calculation for constitutive modeling. Component stress contributions from each of the three deforming modes as well as subset separation of viscous, yield, isotropic and kinematic hardening stresses for viscoplasticity are treated. During the study, several shortcomings of current isolation methodology including relaxation and back-stress calculation techniques have been discovered. The methodology within, addresses these and various other complexities involved with the testing of time dependent, nonlinear materials.
ISSN:0142-9418
1873-2348
DOI:10.1016/j.polymertesting.2007.10.002