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RESEARCH PAPERS

The Plastic Bending of Beams and Their Failure by Low Cycle Fatigue

[+] Author and Article Information
P. K. Das

John Deere Waterloo Tractor Works, Waterloo, Iowa

D. C. Chandler

Mechanical Engineering and Naval Architecture Department, Portsmouth Polytechnic, England

B. K. Foster

Mechanical Engineering Laboratories, English Electric Co., Whetstone, Leicester, England

J. Eng. Mater. Technol 95(3), 161-169 (Jul 01, 1973) (9 pages) doi:10.1115/1.3443144 History: Received November 17, 1972; Online August 17, 2010

Abstract

The major difficulty in applying high strain fatigue data to technological problems lies not in the fatigue aspect per se but in the prediction of the cyclic strain amplitudes. In this paper they are postulated for the cyclic bending of beams using large deflection theory and taking into account the changing stress-strain relationships which occur as cycling progresses. These theories have been tested using beams of rectangular cross section made of three different materials: mild steel, stainless steel, and an aluminum alloy. Good correlation has verified their applicability.

Copyright © 1973 by ASME
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