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The Crinkling Strength and the Bending Strength of Round Aircraft TubingThe upper limit of the column strength of structural members composed of thin material is the maximum axial stress such members can carry when short enough to fail locally, by crinkling. This stress is a function of the mechanical properties of the material and of the geometrical shape of the cross section. The bending strength, as measured by the modulus of rupture, of structural members is also a function of these same variables. Tests were made of round tubes of chromium-molybdenum steel and of duralumin to determine the crinkling strengths and the bending strengths in terms of the specified yield strength and the ratio of diameter to thickness. Empirical formulas are given relating these quantities.
Document ID
19930091707
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Osgood, William R
Date Acquired
September 6, 2013
Publication Date
January 1, 1938
Report/Patent Number
NACA-TR-632
Accession Number
93R20997
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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