Development of Vibration During the Electromagnetic Ring Expansion Test

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dc.contributor.authorYang, K.
dc.contributor.authorTaber, G.
dc.contributor.authorSapanathan, T.
dc.contributor.authorVivek, A.
dc.contributor.authorDaehn, G. S.
dc.contributor.authorRaoelison, R. N.
dc.contributor.authorBuiron, N.
dc.contributor.authorRachik, M.
dc.date.accessioned2016-05-02T12:28:27Z
dc.date.available2016-05-02T12:28:27Z
dc.date.issued2016-04-27
dc.description.abstractMagnetic pulse forming (MPF) techniques work on the principle of Lorentz force induced by eddy current which can cause plastic deformation in a metal workpiece. Lorentz force depends on parameters such as frequency and amplitude of input current, electromagnetic properties of materials and distance between the work piece and coil. The development of vibration as a consequence of elastic strain recovery in a ring expansion process using a MPF technique has been identified and presented in this paper. Coupled mechanicalelectromagnetic 3D simulations were carried out to investigate the effect of various magnetic pulse currents in the development of reversal of motion during the MPF process using LS-DYNA package. Ring expansion using a multi-turn helix coil with an applied pulse current, with the rings made of aluminum alloy AA6061 –T6 is investigated for the effect of vibration during the process. The numerical results show good agreement with the experimental work for various currents. The underlying principle of vibration and formability has respectively been studied using force analysis and stress analysis. The results also show that the 5.6kJ energy already increased the formability by ~66 percent in comparison with the quasi-static formability value from the literature.en
dc.identifier.urihttp://hdl.handle.net/2003/34941
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-16989
dc.language.isoen
dc.relation.ispartof7th International Conference on High Speed Forming, April 27th-28th 2016, Dortmund, Germanyen
dc.subjectmagnetic pulse formingen
dc.subjectring expansionen
dc.subjectelastic strain recoveryen
dc.subject.ddc620
dc.subject.ddc670
dc.subject.rswkMagnetumformende
dc.titleDevelopment of Vibration During the Electromagnetic Ring Expansion Testen
dc.typeText
dc.type.publicationtypeconferenceObject
dcterms.accessRightsopen access

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