DETERMINATION OF THE ELASTOPLASTIC PROPERTIES OF ALUMINUM USING A MIXED NUMERICAL-EXPERIMENTAL METHOD

Authors
MEUWISSEN MHH OOMENS CWJ BAAIJENS FPT PETTERSON R JANSSEN JD
Citation
Mhh. Meuwissen et al., DETERMINATION OF THE ELASTOPLASTIC PROPERTIES OF ALUMINUM USING A MIXED NUMERICAL-EXPERIMENTAL METHOD, Journal of materials processing technology, 75(1-3), 1998, pp. 204-211
Citations number
21
Categorie Soggetti
Material Science","Engineering, Manufacturing","Engineering, Industrial
Journal title
Journal of materials processing technology → ACNP
ISSN journal
09240136
Volume
75
Issue
1-3
Year of publication
1998
Pages
204 - 211
Database
ISI
SICI code
0924-0136(1998)75:1-3<204:DOTEPO>2.0.ZU;2-V
Abstract
A mixed numerical-experimental method is used to determine the paramet ers in elasto-plastic constitutive models. Aluminium plates of non-sta ndard geometry are mounted in a uniaxial tensile-testing machine. On t he surfaces of the plates retro-reflective markers are placed. The dis placements of these markers are measured optically. These measurements are used to determine yield stresses in the isotropic Von Mises and t he orthotropic Hill yield criterion. The models are evaluated by exami ning the estimated parameters and the residual displacements. (C) 1998 Elsevier Science S.A.