Impact failure of metallic rings by a magnetic pulse technique

Metallic rings made of D16 aluminum alloy are studied upon the application of a distributed radial load by a magnetic pulse technique. Two approaches making it possible to decrease the period of the sin-wave load by seven and fifty times are developed. In addition, they allow one to determine the in...

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Bibliographic Details
Published in:Technical physics 2011-06, Vol.56 (6), p.797-802
Main Authors: Morozov, V. A., Petrov, Yu. V., Lukin, A. A., Kats, V. M., Udovik, A. G., Atroshenko, S. A., Gribanov, D. A., Fedorovsky, G. D.
Format: Article
Language:English
Subjects:
Alloys
Classical and Continuum Physics
Methods
Physics
Physics and Astronomy
Solid State
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Summary:Metallic rings made of D16 aluminum alloy are studied upon the application of a distributed radial load by a magnetic pulse technique. Two approaches making it possible to decrease the period of the sin-wave load by seven and fifty times are developed. In addition, they allow one to determine the instant of rupture of the ring from a flash arising at rupture with the help of a photodetector. Simultaneously, the load pulse and a signal from the photodetector are displayed with a digital oscilloscope. It is shown that, when the load pulse shortens, the ductile component of fracture declines and the samples fail in a more brittle manner.
ISSN:1063-7842
1090-6525
DOI:10.1134/S106378421106017X