Burst pressure reduction of various thermoset composite pressure vessels after impact on the cylindrical part

The study addresses the residual burst pressure of composite cylinders after mechanical impacts on their cylindrical part. More than 200 impact tests results on actual cylinders are gathered and a comprehensive analysis is performed; covering a wide range of cylinders characteristics (volume, pressu...

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Bibliographic Details
Published in:Composite structures 2017-01, Vol.160, p.706-711
Main Author: Blanc-Vannet, P.
Format: Article
Language:English
Subjects:
Burst
Bursting
Calibration
Carbon fibre
Composite
Composite structures
Cylinders
Guidelines
Impact
Impact analysis
Pressure reduction
Pressure vessels
Residual performances
Thermosetting resins
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Summary:The study addresses the residual burst pressure of composite cylinders after mechanical impacts on their cylindrical part. More than 200 impact tests results on actual cylinders are gathered and a comprehensive analysis is performed; covering a wide range of cylinders characteristics (volume, pressure, liner material, geometry, manufacturer…) and testing conditions (facilities, inner pressure, impact energy…). Despite such wide range of different conditions, a common behaviour of the four models of cylinders tested is evidenced. After normalisation using composite cylinders’ characteristics, a common energy threshold is found for burst pressure reduction. It is believed such result can provide useful guidelines for the calibration of non destructive examination of composite cylinders and help ensuring a safe use with optimised criteria for rejections.
ISSN:0263-8223
1879-1085
DOI:10.1016/j.compstruct.2016.10.099