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TECHNICAL PAPERS

Bauschinger Effect Design Procedures for Compound Tubes Containing an Autofrettaged Layer

[+] Author and Article Information
Anthony P. Parker

Engineering Systems Department, Royal Military College of Science, Cranfield University, Swindon, England e-mail: tony_parker@tesco.net

J. Pressure Vessel Technol 123(2), 203-206 (Sep 18, 2000) (4 pages) doi:10.1115/1.1331281 History: Received April 15, 2000; Revised September 18, 2000
Copyright © 2001 by ASME
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References

Kapp, J. A., Brown, B., LaBombard, E. J., and Lorenz, H. A., 1998, “On the Design of High Durability High Pressure Vessels,” Proc. ASME PVP Conference, San Diego, CA, July, ASME PVP Vol. 371, L. Picquer, M. Kawahara, and J. Kapp, eds., pp. 85–91.
Bauschinger, J., 1881, “Ueber die Veranderung der Elasticitatagrenze und dea Elasticitatamoduls verschiadener Metalle,” Zivilingenieur, 27 , columns 289–348.
Milligan,  R. V., Koo,  W. H., and Davidson,  T. E., 1966, “The Bauschinger Effect in a High Strength Steel,” ASME J. Basic Eng., 88, pp. 480–488.
Troiano, E., 1998, private communication.
Parker,  A. P., Underwood,  J. H., and Kendall,  D. P., 1999, “Bauschinger Effect Design Procedures for Autofrettaged Tubes Including Material Removal and Sachs’ Method,” ASME J. Pressure Vessel Technol., 121, pp. 430–437.
Timoshenko, S. P., and Goodier, J. M., 1970, Theory of Elasticity, 3rd Ed., McGraw-Hill, New York, NY.
Hill, R., 1967, The Mathematical Theory of Plasticity, Oxford University Press, Oxford, England.
Parker, A. P., 2001, “Autofrettage of Open-End Tubes—Pressures, Stresses, Strains and Code Comparisons,” ASME J. Pressure Vessel Technol., accepted for publication; also, presented at ASME Pressure Vessels and Piping Conference, Seattle, WA, July, ASME PVP-Vol. 406, ed. S. C. Mordre, pp. 1–18.
ASME Pressure Vessel and Piping Design Code, 1997, “Design Using Autofrettage,” Division 3, Section 8, Article KD-5, pp. 71–73.

Figures

Grahic Jump Location
Geometry of autofrettaged tube
Grahic Jump Location
Autofrettage residual stress profiles, b/a=2, 60 percent overstrain, Tresca, plane stress
Grahic Jump Location
Influence of additional net positive external pressure (po-pi) upon autofrettage residual stress profiles, b/a=2, 83 percent overstrain, Tresca criterion, plane stress
Grahic Jump Location
Additional bore hoop stress achieved as a function of net external pressure
Grahic Jump Location
Stress profiles for tube b/a=2.24, 40 percent nominal (ASME Code) overstrain pressure, Von Mises’ criterion, open-end conditions, showing stresses before and after application of net external positive pressure

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