Authors: Beyer, Eckhard
Brenner, Berndt
Göbel, Gunther
Körner, Julia
Title: Numerical Simulation of Magnetic Pulse Welding
Other Titles: Insights and Useful Simplifications
Language (ISO): en
Abstract: The increasing demand for the use of lightweight materials and part designs, especially in the automotive industry, is a driving factor for the development of new joining techniques. One of the main challenges is joining of dissimilar materials. Magnetic pulse welding (MPW), a high-velocity, cold forming technique is a possible solution, as it is known for its ability to join dissimilar metals. To determine the potential of this technology for a certain application, simulation techniques have become a major part of the research process. This paper shows some ways how to use simulation tools effectively to analyse the coil and the field shaper-geometry as well as to study their effect on the workpiece. The predictability of current distributions, resulting magnetic pressures and general process efficiency are discussed. Furthermore it is described which simplifications may be applied in order to reduce the simulation time for transient calculations. Especially aspects of the transient force evolution during a pulse are discussed and comparisons to simplified timeharmonic results are given.
Subject Headings: finite element method (FEM)
Issue Date: 2012-07-17
Is part of: 5th International Conference on High Speed Forming, April 24th - 26th 2012, Dortmund, Germany
Appears in Collections:ICHSF 2012

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