Effect of strain hardening on residual stress distribution in beams determined using the crack compliance method

Author:

Urriolagoitia-Sosa G1,Durodola J. F1,Fellows N. A1

Affiliation:

1. Department of Mechanical Engineering, Oxford Brookes University, Headington, Oxford, UK

Abstract

This work used the crack compliance method for the determination of residual stresses in beams subjected to prior straining before the introduction of residual stresses through bending. The paper also introduces a support system that allows free movement of specimens during cutting by electric discharge machining. The experimental testing and verification procedure considered factors such as different materials and strain hardening levels. The results obtained provide a quantitative demonstration of the effect of prior strain hardening on residual stress distribution in beams.

Publisher

SAGE Publications

Subject

Applied Mathematics,Mechanical Engineering,Mechanics of Materials,Modelling and Simulation

Reference12 articles.

1. Sidebottom O. M., Chang C.T. Influence of the Bauschinger effect on inelastic bending of beams, 1963, pp. 631–639 (University of Illinois, Chicago, Illinois).

2. The Bauschinger and Hardening Effect on Residual Stresses in an Autofrettaged Thick-Walled Cylinder

3. Timoshenko S. P., Gere J. M. Mechanics of materials, 1979, pp. 358–360 (Van Nostrand Reinhold, New York).

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