WIT Press

3D Residual Stresses Around Cold Expanded Holes In A New Creep Resistant Aluminium Alloy

Price

Free (open access)

Paper DOI

10.2495/SURF990101

Volume

25

Pages

1

Published

1999

Size

86 kb

Author(s)

A.A. Garcia-Granada, V. Lacarac, D.J. Smith, M.J. Pavier, R. Cook & P. Holdway

Abstract

Hole cold expansion is used frequently to enhance the fatigue endurance of components. The cold expansion process introduces compressive residual stress at the periphery of the hole and tensile stress further away. To understand how these residual stresses enhance the fatigue life, it is essential that we have an accurate description of the three dimensional distribution of the stresses. In this paper we describe the results of experimental studies and finite element analyses used to determine detailed residual stress distributions in a new creep resistant alloy. The near surface residual stresses at the mandre

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