The Plastic Buckling of Thin-Walled Tubes Subject to Magnetomotive Forces
- 1 April 1974
- journal article
- research article
- Published by SAGE Publications in Journal of Mechanical Engineering Science
- Vol. 16 (2) , 59-70
- https://doi.org/10.1243/jmes_jour_1974_016_013_02
Abstract
Aluminium alloy tubes and rings can be reduced in diameter by means of external coils through which a large capacitor bank is discharged, due to the high radial transient magnetic pressure. Both the radial and perturbed motions are investigated theoretically and experimentally. Predictions of the current waveform, radial displacement and the number of wrinkles on the tube agree well with the experimental results. The number of wrinkles increases with tube length and diameter. However, geometrically similar tubes, when reduced to the same final hoop strain, have similar buckled shapes with the same number of wrinkles.Keywords
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