| Issue |
Matériaux & Techniques
Volume 78, Number 11, 1990
|
|
|---|---|---|
| Page(s) | 25 - 30 | |
| DOI | https://doi.org/10.1051/mattech/199078110025 | |
| Published online | 13 April 2017 | |
Étude thermocinétique de l'injection du polycarbonate
Influence de la vitesse de refroidissement sur les propriétés mécaniques
1
General Electric Plastic - Bergen Op Zoom
2
Laboratoire des Matières Plastiques - CNAM, Paris
Abstract
Polymers properties depend as well on resins and additives characteristics as on mol¬ding conditions and thermodynamical parameters. The study of polycarbonates shows that a tensile area more or less wide appears in the medium of a molded sample for specific molding temperatures on the walls, while a compressive area is identified at the same time close to the surface.
These phenomenas have been studied and their incidence on particular mechancial properties of injected samples is related.
© SIRPE 1990
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