Barreling of Solid Cylinders Under Axial Compression

[+] Author and Article Information
J. K. Banerjee

Department of Physical Sciences, Universidad Nacional Experimental del Táchira (UNET), San Cristóbal-Venezuela

J. Eng. Mater. Technol 107(2), 138-144 (Apr 01, 1985) (7 pages) doi:10.1115/1.3225789 History: Received January 31, 1984; Online September 23, 2009


Axisymmetric compression tests of solid aluminum cylinders, over a wide range of “aspect ratios” (length/diameter) and both under dry as well as lubricated conditions, suggest that the resulting curvature of the “barrel” formed fits closely a circular arc and its radius follows a power law with the true axial compressive stress. The true compressive stress-strain curve, extrapolated from the experimental data in each test, shows that within the variety of lubricants used the Specific Forming Energy is minimum with teflon sheets as dry lubricant, and increases successively with silicon spray, motor oil, and dry friction.

Copyright © 1985 by ASME
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