A Novel Coil Structure for Metal Sheet Magnetic Pulse Welding

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dc.contributor.authorJiang, X.
dc.contributor.authorYu, H.
dc.contributor.authorLi, H.
dc.contributor.authorDeng, J.
dc.date.accessioned2025-09-21T18:25:04Z
dc.date.available2025-09-21T18:25:04Z
dc.date.issued2025-08-26
dc.description.abstractMagnetic pulse welding (MPW) of metal sheets is an efficient and environment-friendly room temperature solid-state welding technology. However, the process involves significant energy dissipation. Limited by the current coil structure, high energy is required to achieve metallurgical welding of metal sheets. To address this issue, novel coil principle and structure has been proposed. The current is simultaneously concentrated into a section of conductor by a unique circuit design, achieving current summation and amplification, thereby enhancing energy efficiency. Numerical simulations were performed to explore the effects of coil parameters on current density, Lorentz force, and flyer sheet motion, revealing that the coil structure can amplify current by 1.5 to 5.3 times as coil turns increase from 2 to 7. The flyer sheet velocity exceeded the critical welding velocity. Experimental results show successful welding of 1060 (1.0 mm) / DP450 (1.0 mm) at 6.05 kJ and 5754 (1.0 mm) / DP600 (1.0 mm) at 9.8 kJ, with all interfaces displaying metallurgical characteristics. These findings confirm the excellent welding capability of the novel coil at low energy, which results from a significant current amplification effect. This reduces the stringent requirements for magnetic pulse discharge equipment, thereby facilitating the further industrial application of MPW technology.en
dc.identifier.urihttp://hdl.handle.net/2003/43909
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-25677
dc.language.isoen
dc.relation.ispartof10th International Conference on High Speed Formingen
dc.subjectMagnetic pulse weldingen
dc.subjectMolecular dynamicsen
dc.subjectMetal sheeten
dc.subjectNovel coil structureen
dc.subject.ddc620
dc.subject.ddc670
dc.subject.rswkElektromagnetisches Pulsschweißen
dc.subject.rswkBlech
dc.subject.rswkSpulensystem
dc.subject.rswkNumerisches Modell
dc.subject.rswkExperiment
dc.titleA Novel Coil Structure for Metal Sheet Magnetic Pulse Weldingen
dc.typeText
dc.type.publicationtypeConferencePaper
dcterms.accessRightsopen access
eldorado.secondarypublicationfalse

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