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RESEARCH PAPER

A Re-Autofrettage Procedure for Mitigation of Bauschinger Effect in Thick Cylinders

[+] Author and Article Information
Anthony P. Parker

Royal Military College of Science, Cranfield University, Swindon, SN6 8LA, England

J. Pressure Vessel Technol 126(4), 451-454 (Dec 01, 2004) (4 pages) doi:10.1115/1.1806446 History: Received June 14, 2004; Revised August 17, 2004; Online December 01, 2004
Copyright © 2004 by ASME
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References

Parker,  A. P., 2001, “Autofrettage of Open-End Tubes—Pressures, Stresses, Strains and Code Comparisons,” ASME J. Pressure Vessel Technol., 123, pp. 271–281.
Bauschinger,  J., 1881, “Ueber die Veranderung der Elasticitatagrenze und dea Elasticitatamoduls verschiadener Metalle,” Zivilingenieur, 27, pp. 289–348.
Parker,  A. P., Troiano,  E., Underwood,  J. H., and Mossey,  C., 2003, “Characterization of Steels Using a Revised Kinematic Hardening Model Incorporating Bauschinger Effect,” ASME J. Pressure Vessel Technol., 125, pp. 277–281.
Lemaitre, J., and Chaboche, J.-L., 1990, Mechanics of Solid Materials, Cambridge University Press.
Iremonger,  M. J., and Kalsi,  S. K., 2003, “A Numerical Study of Swage Autofrettage,” ASME J. Pressure Vessel Technol., 125, pp. 347–351.
Weiss, V., 1956, “Residual Stresses in Cylinders,” Syracuse University Research Institute Report No. MET 345-563T2.
Parker,  A. P., 2004, “A Critical Examination of Sachs’ Material-Removal Method for Determination of Residual Stress,” ASME J. Pressure Vessel Technol., 126, pp. 234–236.
Kendall, D. P., unpublished discussion following the presentation of reference 7 at the 2003 ASME PVP Conference.
Troiano, E., Parker, A. P., Underwood, J. H., and Mossey, C., 2005, “Investigation of Multi-Axial Bauschinger Effect in High Strength Pressure Vessels,” to be presented at GT2005 - Gun Tubes Conference, Keble College Oxford, April 2005.
Parker,  A. P., and Kendall,  D. P., 2003, “Residual Stresses and Lifetimes of Tubes Subjected to Shrink Fit Prior to Autofrettage,” ASME J. Pressure Vessel Technol., 125, pp. 282–286.
Paris,  P. C., and Erdogan,  F., 1963, “A Critical Analysis of Crack Propagation Laws,” ASME J. Basic Eng., 85, pp. 528–534.
Troiano,  E., Parker,  A. P., and Underwood,  J. H., 2004, “Mechanisms and Modeling Comparing HB7 and A723 High Strength Pressure Vessel Steels,” ASME J. Pressure Vessel Technol., 126, pp. 473–477.

Figures

Grahic Jump Location
Schematic uniaxial stress-strain behavior showing strain hardening, reduced elastic modulus in compression and Bauschinger effect.
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Residual hoop stresses and percentage plastic strain for single, double, and triple autofrettage. A723 Steel, 0.1 percent yield strength 1069 MPa, 70 percent initial overstrain, radius ratio 2.0.
Grahic Jump Location
Life improvement factor for double and triple autofrettage. A723 steel, 0.1 percent yield strength 1069 MPa, 70 percent initial overstrain, radius ratio 2.0.
Grahic Jump Location
Residual hoop stresses and associated percentage plastic strain for single, double, and triple autofrettage. A723 steel, 0.1 percent yield strength 1069 MPa, 54 percent initial overstrain, radius ratio 2.74.
Grahic Jump Location
Life improvement factor for double and triple autofrettage. A723 steel, 0.1 percent yield strength 1069 MPa, 54 percent initial overstrain, radius ratio 2.74.
Grahic Jump Location
Residual hoop stresses for single, double, and triple autofrettage, HB7 steel, 0.01 percent yield strength 1159 MPa, 70 percent initial overstrain, radius ratio 2.0.

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