Abstract
We describe the material characterization required to model curing and the resulting process induced deformations for a low temperature epoxy UD prepreg. This includes the cure kinetics, cure shrinkage, coefficient of thermal expansion and modulus-development. Material data was fit to models with python scripts. Curing experiments with multiple lay-ups were performed in a diaphragm forming station on aluminum tool equipped with heating cartiges. The process was modeled in Abaqus with the Compro plug-in. High-resolution 3D laser scans of manufactured parts were compared with the predicted process induced deformations and good agreement was observed.
| Originalsprache | Englisch |
|---|---|
| Titel | Characterization |
| Untertitel | Composites Meet Sustainability |
| Redakteure/-innen | Anastasios P. Vassilopoulos, Veronique Michaud |
| Erscheinungsort | Lausanne |
| Herausgeber (Verlag) | EPFL Lausanne, Composite Construction Laboratory |
| Seiten | 409-416 |
| Seitenumfang | 8 |
| Band | Vol 1-6 |
| ISBN (elektronisch) | 978-2-9701614-0-0 |
| DOIs | |
| Publikationsstatus | Veröffentlicht - 2022 |
| Veranstaltung | 20th European Conference on Composite Materials (ECCM20): Composites meet Sustainability - EPFL Ecole polytechnique fédérale de Lausanne, Lausanne, Schweiz Dauer: 26 Juni 2022 → 30 Juni 2022 https://eccm20.org |
Publikationsreihe
| Name | ECCM 2022 - Proceedings of the 20th European Conference on Composite Materials: Composites Meet Sustainability |
|---|---|
| Band | 3 |
Konferenz
| Konferenz | 20th European Conference on Composite Materials (ECCM20) |
|---|---|
| Land/Gebiet | Schweiz |
| Ort | Lausanne |
| Zeitraum | 26.06.2022 → 30.06.2022 |
| Internetadresse |
Schlagwörter
- Process induced deformations
- process simulation
- diaphragm forming
- epoxy
- UD prepreg
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