Residual Stresses around an Expanded Hole in an Aluminum Clad Sheet |
| Journal |
Materials Science Forum (Volumes 490 - 491) |
| Volume |
Residual Stresses VII, ICRS7 |
| Edited by |
Sabine Denis, Takao Hanabusa, Bob Baoping He, Eric Mittemeijer, JunMa Nan, Ismail Cevdet Noyan, Berthold Scholtes, Keisuke Tanaka, KeWei Xu |
| Pages |
41-46 |
| DOI |
10.4028/www.scientific.net/MSF.490-491.41 |
| Online since |
July, 2005 |
| Authors |
P. Matos,
P.M.G.P. Moreira,
J.C.P. Pina,
A. Morão Dias,
P.M.S.T. de Castro
|
| Keywords |
Aluminum, Cold Expansion, Finite Element Analysis (FEA), Residual Stress, X-Ray Diffraction (XRD) |
| Abstract |
Cold working introduces a compressive stress field around rivet holes, reducing the
tendency for fatigue cracks to initiate and grow under cyclic mechanical loading. As it is well known, for the accurate assessment of fatigue lifetimes a detailed knowledge of the residual stress profile is required. Powerful experimental and numerical tools are nowadays available for that purpose. In the present work both types of tools, X-ray diffraction and 3D Finite Element Analysis (FEA), were used
in order to evaluate the residual stress profile. A comparison of experimental and numerical data is presented and discussed. |
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