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dc.contributor.authorXu, Shanqingen
dc.contributor.authorRuan, Dongen
dc.contributor.authorLu, Guoxingen
dc.contributor.authorYu, T.X.en
dc.identifier.citationXu, S., Ruan, D., Lu, G., & Yu, T. (2014). Collision and rebounding of circular rings on rigid target. International journal of impact engineering, in press.en
dc.description.abstractThe collision behaviour of three types of circular aluminium rings was experimentally studied in this paper. A specially designed fixture attached to the barrel of an air gun was employed for the lateral impact of flying rings on a rigid target. The force history, deformation mechanisms and rebounding velocity of the rings, as well as their dependence on the wall thickness of rings and initial impact velocity were extensively investigated. The results showed that larger initial velocity and greater non-dimensional thickness led to larger magnitude of peak force. With the increase of initial velocity, the rebounding velocity first increased to a maximum value and then dropped, while the coefficient of restitution first decreased almost linearly and then leveled off at a lower level. However, the wall thickness of the ring only has a limited influence on both the rebounding velocity and the coefficient of restitution within the studied range. A six-hinge deformation mechanism was identified based on the four-phase deformation mode of the ring during its collision, which was captured in high speed camera recordings. Furthermore, it was observed that the impact force history was highly related to the deformation mode.en
dc.relation.ispartofseriesInternational journal of impact engineeringen
dc.rights© 2014 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by International Journal of Impact Engineering, Elsevier Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [Article DOI:].en
dc.subjectDRNTU::Engineering::Mechanical engineering::Mechanics and dynamicsen
dc.titleCollision and rebounding of circular rings on rigid targeten
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.description.versionAccepted versionen
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