Development of free-edge effect during the processing of fibre-reinforced semicrystalline thermoplastic composites
Conference
·
OSTI ID:6300270
The residual thermal stresses developed during processing of fiber-reinforced semicrystalline thermoplastic composites is strongly affected by variations in temperature and degree of crystallinity within a laminate. In order to understand the processes at work, a model predicting the temperature and volume fraction crystallinity distributions over the cross-sectional area of these laminates during processing from the melt has been developed. In this study, emphasis is on the prediction of temperature and crystallinity gradients in the vicinity of free-edges. Results are shown for the case of unidirectional APC-2 laminates for different surface cooling rates. 19 refs.
- OSTI ID:
- 6300270
- Report Number(s):
- AIAA-Paper--93-1348; CONF-9304186--
- Country of Publication:
- United States
- Language:
- English
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