Modeling stiffness of nanolayered silicate-modified polyamide 6 via FEM micromechanical modeling and analytical composite models
| Autor: | Siegfried Schmauder, Jing Huang, Simon Geier, Ulrich Weber |
|---|---|
| Rok vydání: | 2012 |
| Předmět: |
Materials science
Nanocomposite Polymers and Plastics Composite number Stiffness General Chemistry Aspect ratio (image) Silicate Finite element method Surfaces Coatings and Films chemistry.chemical_compound chemistry Volume fraction Nano Materials Chemistry medicine Composite material medicine.symptom |
| Zdroj: | Journal of Applied Polymer Science. 125:4416-4420 |
| ISSN: | 0021-8995 |
| DOI: | 10.1002/app.36577 |
| Popis: | In this work, numerical and analytical models are chosen to study reinforcement effect of nano- layered silicate modified polyamide 6 (PA 6) composites at ambient temperature. A numerical self-consistent unit cell model in conjunction with finite element method is applied to predict the stiffness of this polymer nanocom- posite, which has been successfully applied for simulating mechanical behavior of metal matrix composites. In this work, a rectangular inclusion (layered silicate) is sur- rounded by PA 6 polymer matrix, which is again embed- ded in the PA 6/layered silicate nanocomposite. The stiffness of the composite is determined iteratively in a self- consistent manner. For comparison, two analytical compos- ite models (Halpin-Tsai model and Tangdon-Weng model) are implemented to evaluate the stiffness of this nanocom- posite via calculations performed within MATLAB. In the modeling volume fraction, aspect ratio, exfoliation and ori- entation of the nanolayered silicate are taken into account. It is demonstrated that the numerical approach using the self-consistent embedded cell model coincides well with ex- perimental results of the stiffness of the composite. V C 2012 Wiley Periodicals, Inc. J Appl Polym Sci 125: 4416-4420, 2012 |
| Databáze: | OpenAIRE |
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