Abstract
Round cross-section tubes have been tested to determine the crush loads and energy absorbing characteristics in axial compression. The effects of two main types of trigger geometry have been determined. For crushing against a flat platen, the initial chamfer angle has a significant effect on the crush load required to initiate crushing but does not affect the progressive crush load. A similar effect occurs for the internal mandrel trigger. However, the internal radius of the internal mandrel has a significant effect on the progressive crush load. Crush load and energy absorption increase with decreasing mandrel radius to a limiting radius below which fragmentation debris becomes compacted to form an autoradius on which progressive crushing proceeds at a reduced load. The effect of test speed and temperature on the crush load has also been determined.
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© 1991 Elsevier Science Publishers LTD.
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Hull, D., Coppola, J.C. (1991). Performance of Glass Fibre-Vinyl Ester Composite Tubes Crushed Using Internal Mandrels. In: Marshall, I.H. (eds) Composite Structures. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3662-4_10
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DOI: https://doi.org/10.1007/978-94-011-3662-4_10
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-85166-647-8
Online ISBN: 978-94-011-3662-4
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