Preliminary modelling of a self-healing polymer with intrinsic healing
This study introduces a computational algorithm to analyze and simulate the self-healing mechanisms in materials, focusing on a novel mathematical model that incorporates reverse mechanical damage at gauss point level, while taking into account energy dissipation within a continuum mechanics framewo...
| Autor: | |
|---|---|
| Tipo de recurso: | tesis de maestría |
| Fecha de publicación: | 2024 |
| País: | España |
| Institución: | Universitat Politècnica de Catalunya (UPC) |
| Repositorio: | UPCommons. Portal del coneixement obert de la UPC |
| Idioma: | inglés |
| OAI Identifier: | oai:upcommons.upc.edu:2117/419562 |
| Acceso en línea: | https://hdl.handle.net/2117/419562 |
| Access Level: | acceso abierto |
| Palabra clave: | Computer algorithms Continuum mechanics Heat resistant plastics--Mathematical models Self-healing Vitrimer Model Algorismes computacionals Mecànica dels medis continus Plàstics termostables--Models matemàtics Àrees temàtiques de la UPC::Física::Física de l'estat sòlid |
| Sumario: | This study introduces a computational algorithm to analyze and simulate the self-healing mechanisms in materials, focusing on a novel mathematical model that incorporates reverse mechanical damage at gauss point level, while taking into account energy dissipation within a continuum mechanics framework. The model extends traditional damage formulations by integrating a self-healing function dependent on temperature, time, and the number of healing cycles for a vitrimer-like material. Using experimental data from a hyperbranched polyester (HBP) vitrimer allows to calibrate the damage and instrinsic healing processes without external intervention. While the model shows promising results, especially at higher temperatures, discrepancies at lower temperatures highlight the need for further refinement and validation using a broader range of materials and conditions. |
|---|