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A Note on the Shear Stress Criterion for Fatigue Failure under Combined Stress

Published online by Cambridge University Press:  07 June 2016

R. E. Little
R. E. Little*
Affiliation:
University of Michigan
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Summary

Nishihara’s combined bending and torsion out-of-phase fatigue limit data are analysed. The Tresca shear stress failure criterion predicts strengths up to 30 per cent higher than observed. It thus appears that renewed attention should be given to the basic problem of developing reliable combined stress failure criteria. It is suggested that new test methods will be required for this purpose.

Type
Research Article
Information
Aeronautical Quarterly , Volume 20 , Issue 1 , February 1969 , pp. 57 - 60
Copyright
Copyright © Royal Aeronautical Society. 1969

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References

1. Nishihara, T. and Karamoto, M. The strength of metals under combined alternating bending and torsion with phase difference. Memoirs, College of Engineering, Kyoto Imperial University, Volume XI, pp. 85–112, 1945.Google Scholar
2. Thum, A. and Kirmser, W. Überlagte Wechselbeanspruchungen: ihre Erzuegung und ihr Einfluss auf die Dauberhaltbarkeit und Spannungsausbildung quergebohrter Wellen. VDI Zeitschrift, Band 14, Ausgabe B, March/April 1943.Google Scholar
3. Little, R. E. and Little, R. W. Analysis of two-dimensional cyclic stress. Developments in Mechanics (edited by Huang, and Johnson, ), Volume 3, Part 1, pp. 307–314, Wiley, New York, 1965.Google Scholar