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RESEARCH PAPER

A Study of the Residual Stress Distribution in an Autofrettaged, Thick-Walled Cylinder With Cross-Bore

[+] Author and Article Information
Amer Hameed, R. D. Brown

Engineering Systems Department, Cranfield University, UK

John Hetherington

Head of Engineering Systems Department, Cranfield University, UK

J. Pressure Vessel Technol 126(4), 497-503 (Dec 01, 2004) (7 pages) doi:10.1115/1.1811111 History: Received May 19, 2003; Revised May 24, 2004; Online December 01, 2004
Copyright © 2004 by ASME
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References

Figures

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Thick-walled cylinder showing different configurations of cross-bores
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Cylinder model showing the location of radial cross-bore and the paths along which stress/strain is mapped for the analysis
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Stress-strain plot showing the Bauschinger effect as used in ANSYS
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Comparison of residual stress distribution along a radial hole in an autofrettaged barrel (before (BMB) and after (AMB) machining of hole)
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Variation in residual stress along the path DN, before and after the autofrettage
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Variation in residual stress along the path DN, before and after the cross-bore
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Variation in residual stress along the path KJ, before and after the cross-bore
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Variation in residual stress along the path KL, before and after machining the cross-bore
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Comparison of residual stress distribution in a gun tube, assuming ideal material, before and after machining of radial cross-bore
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Variation in plastic strain along the path AB, before and after machining the radial cross-bore
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Variation in residual stress along the path EF, before and after machining the cross-bore
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Variation in residual stress distribution along the path AB
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Variations in circumferential residual stress distribution along the path AB due to introduction of a cross bore of various diameter
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Variation in circumferential stress at the outer diameter in axial direction along the path BP
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Variation in circumferential stress at the inner diameter along the path AN
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Variation in axial stress and circumferential stress at the bore along the path KL
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Comparison along path EF of residual stress in the vicinity of a bore machined before and after autofrettage
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Comparison along path AB of residual stress in the vicinity of a bore machined before and after autofrettage
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Comparison along path DN of residual stress in the vicinity of a bore machined before and after autofrettage
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Comparison along path KL of residual stress in the vicinity of a bore machined before and after autofrettage
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Comparison along path KJ of residual stress in the vicinity of a bore machined before and after autofrettage.

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