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R&D Journal
versión On-line ISSN 2309-8988
versión impresa ISSN 0257-9669
Resumen
ROSSLEE, F.; COETZEE, G. y PRETORIUS, L.. Using cyclic plastic bending as an energy absorption mechanism. R&D j. (Matieland, Online) [online]. 1998, vol.14, pp.15-21. ISSN 2309-8988.
Recently a study was done at the Rand Afrikaans University on the characteristics of the cyclic-plastic-bending energy absorber. The device consists of a set of rollers through which a metal element is pulled, thereby subjecting the metal element to a process of cyclic plastic bending deformation, facilitating energy absorption. The cyclic-plastic-bending energy absorber shows stable, reliable and predictable behaviour. The device has an almost ideal (square) force-displacement characteristic, it is not maintenance intensive, and it can be constructed at relatively low cost. In emergency situations, where a large moving object is out of control and has to be stopped at a controlled rate, this device could find application.
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