[article]
| Titre : |
Viscoplastic material modeling for the stretch blow molding simulation |
| Type de document : |
texte imprimé |
| Auteurs : |
S. Wang, Auteur ; A. Makinouchi, Auteur ; M. Okamoto, Auteur ; T. Kotaka, Auteur ; M. Maeshima, Auteur ; N. Ibe, Auteur ; Takaharu Nakagawa, Auteur |
| Année de publication : |
2000 |
| Article en page(s) : |
p. 166-175 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Index. décimale : |
668.9 Polymères |
| Résumé : |
In this paper, the viscoplastic material model of PET (polyethylene terephthalate), which is intended to be used in the FEM (finite element method) simulation of stretch blow molding process, has been studied. Material tests of PET were performed with the constant strain rates varying from 0.01 to 1 (1/s), at temperatures ranging from 90 to 150°C, based on the obtained data a two-stage model was proposed. The proposed model could precisely take into account the effects of strain hardening, strain rate sensitivity, variation of the hardening index, and temperature dependency. This model has been implemented into the nonlinear finite element code PBLOW3D, which is developed in the Riken, and its performance in the stretch blow molding simulation has been studied. It has been demonstrated that the proposed material model provides significant improvements, compared with two existing material models, in the simulation of the blow molding process of PET bottles. |
| Note de contenu : |
- Material test and material modeling
- Experiment
- Initial conditions for FEM Simulation
- Comparison in the stretching process
- Comparison in the stretch blow molding process
|
| DOI : |
10.3139/217.1582 |
| En ligne : |
https://drive.google.com/file/d/1eMEtbbsK8W_u6p68vhjkFpdWA9ZpIEDT/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16055 |
in INTERNATIONAL POLYMER PROCESSING > Vol. XV, N° 2 (06/2000) . - p. 166-175
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