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

Holmes, D.W., and Loughran, J.G. (2008) Theoretical aspects of the testing of elasto-viscoelastic–viscoplastic materials. Polymer Testing, 27 (2). pp. 189-203.

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Abstract

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.

Item ID: 15577
Item Type: Article (Refereed Research - C1)
Keywords: elasto-viscoelastic–viscoplastic; mechanical testing; stress isolation; back stress; isotropic and kinematic hardening
ISSN: 1873-2348
Funders: Gough Plastics, Pty Ltd
Date Deposited: 08 Mar 2011 04:47
FoR Codes: 09 ENGINEERING > 0912 Materials Engineering > 091209 Polymers and Plastics @ 60%
09 ENGINEERING > 0913 Mechanical Engineering > 091308 Solid Mechanics @ 30%
01 MATHEMATICAL SCIENCES > 0199 Other Mathematical Sciences > 019999 Mathematical Sciences not elsewhere classified @ 10%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970109 Expanding Knowledge in Engineering @ 80%
97 EXPANDING KNOWLEDGE > 970101 Expanding Knowledge in the Mathematical Sciences @ 20%
Citation Count from Web of Science Web of Science 1
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