This paper describes a numerical analysis of the swaging autofrettage of a gun barrel by forcing an oversize mandrel (or “swage”) through the barrel. Analyses are conducted on a two pass swaging procedure in which two separate swages are driven through the barrel. Differences between the maximum swage force required and the resulting barrel deformations and stresses that result from single and two pass swaging are discussed. The effects of changes to swage geometry for single pass swaging are also considered.
A Numerical Study of Swage Autofrettage
Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received by the PVP Division March 13, 2003; revision received May 6, 2003. Associate Editor: M. Perl.
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Iremonger, M. J., and Kalsi, G. S. (August 1, 2003). "A Numerical Study of Swage Autofrettage ." ASME. J. Pressure Vessel Technol. August 2003; 125(3): 347–351. https://doi.org/10.1115/1.1593073
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