Academic Journal
Characterization of the Elastoplastic Response of Low Zn-Cu-Ti Alloy Sheets Using the CPB-06 Criterion
| العنوان: | Characterization of the Elastoplastic Response of Low Zn-Cu-Ti Alloy Sheets Using the CPB-06 Criterion |
|---|---|
| المؤلفون: | Francisco Alister, Diego Celentano, Javier Signorelli, Pierre-Olivier Bouchard, Daniel Pino, Marcela Cruchaga |
| المصدر: | Materials; Volume 12; Issue 19; Pages: 3072 |
| بيانات النشر: | Multidisciplinary Digital Publishing Institute |
| سنة النشر: | 2019 |
| المجموعة: | MDPI Open Access Publishing |
| مصطلحات موضوعية: | plastic anisotropy, CPB-06 yield criterion, Zinc alloys |
| الوصف: | Unlike other HCP metals such as titanium and magnesium, the behavior of zinc alloys has only been modeled in the literature. For the low Zn-Cu-Ti alloy sheet studied in this work, the anisotropy is clearly seen on the stress-strain curves and Lankford coefficients. These features impose a rigorous characterization and an adequate selection of the constitutive model to obtain an accurate representation of the material behavior in metal forming simulations. To describe the elastoplastic behavior of the alloy, this paper focuses on the material characterization through the application of the advanced Cazacu-Plunket-Barlat 2006 (CPB-06 for short) yield function combined with the well-known Hollomon hardening law. To this end, a two-stage methodology is proposed. Firstly, the material characterization is performed via tensile test measurements on sheet samples cut along the rolling, diagonal and transverse directions in order to fit the parameters involved in the associate CPB-06/Hollomon constitutive model. Secondly, these material parameters are assessed and validated in the simulation of the bulge test using different dies. The results obtained with the CPB-06/Hollomon model show a good agreement with the experimental data reported in the literature. Therefore, it is concluded that this model represents a consistent approach to estimate the behavior of Zn-Cu-Ti sheets under different forming conditions. |
| نوع الوثيقة: | text |
| وصف الملف: | application/pdf |
| اللغة: | English |
| Relation: | https://dx.doi.org/10.3390/ma12193072 |
| DOI: | 10.3390/ma12193072 |
| الاتاحة: | https://doi.org/10.3390/ma12193072 |
| Rights: | https://creativecommons.org/licenses/by/4.0/ |
| رقم الانضمام: | edsbas.362B6632 |
| قاعدة البيانات: | BASE |
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