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TECHNICAL PAPERS

Through-Thickness Residual Stress Distribution After the Cold Expansion of Fastener Holes and Its Effect on Fracturing

[+] Author and Article Information
A. Tamer Özdemir

Materials Division, Department of Metallurgy, Faculty of Technical Education, Gazi University, Ankara, Turkey

Lyndon Edwards

Department of Materials Engineering, Faculty of Technology, Open University, Milton Keynes MK7 6AA, UK

J. Eng. Mater. Technol 126(1), 129-135 (Jan 22, 2004) (7 pages) doi:10.1115/1.1634278 History: Received November 13, 2002; Revised September 02, 2003; Online January 22, 2004
Copyright © 2004 by ASME
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References

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Figures

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Schematics of plate with cold expanded hole and resultant washer
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Residual hoop stress distributions measured by Fourier series and Sachs methods for different positions around 4% FTI unreamed hole
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Residual hoop stress distributions measured by Fourier series and Sachs methods for different positions around 4% FTI finish reamed de-burred hole
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Three-dimensional residual hoop stress distribution of 4% FTI unreamed hole at 90 deg position
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Three-dimensional residual hoop stress distribution of 4% FTI finish reamed de-burred hole at 90 deg position
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Effect of finish reaming and de-burring on stress distributions at different sections through the thickness of 4% FTI unreamed hole
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Comparison of residual stresses measured by step drilling, neutron diffraction methods and predicted by finite element analysis for 4% FTI unreamed hole
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Arrested crack profile at 4% FTI finish reamed de-burred hole at the fatigue limit, where corners of the hole are de-burred 8

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