Avoiding Bending in Case of Uniaxial Tension with Electromagnetic Forming
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Date
2014
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Abstract
During electromagnetic forming, excessive bending of the specimen takes place due to
high velocities and inertia. We show that the excessive bending can be prevented by
optimizing the coil geometry in case of uniaxial tension. The process is simulated with
various coil geometries, and the resulting amount of bending is compared to the case of
standard Nakajima Test. The comparison shows that the bending can be minimised to
acceptable levels to be able to call the method a decent way of determining forming limits.
The results should be verified experimentally.
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Keywords
Forming limits, Nakajima Test, Electromagnetic forming