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TECHNICAL PAPERS

External Longitudinal Flaws in Pipes Under Complex Loading

[+] Author and Article Information
Roberto Brighenti

Department of Civil Engineering, University of Parma, Parco Area delle Scienze, 43100 Parma, Italye-mail: brigh@unipr.it

J. Pressure Vessel Technol 123(1), 139-145 (Oct 02, 2000) (7 pages) doi:10.1115/1.1331280 History: Received December 16, 1999; Revised October 02, 2000
Copyright © 2001 by ASME
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References

Carpinteri, A., ed., 1994, Handbook of Fatigue Crack Propagation in Metallic Structures, Elsevier Science, Amsterdam, The Netherlands.
Shih,  Y. S., and Chen,  J. J., 1997, “Analysis of Fatigue Crack Growth on a Cracked Shaft,” Int. J. Fatigue, 19, pp. 477–485.
Couroneau,  N., and Royer,  J., 1998, “Simplified Model for the Fatigue Growth Analysis of Surface Cracks in Round Bars Under Mode I,” Int. J. Fatigue, 20, pp. 711–718.
Carpinteri,  A., Brighenti,  R., and Spagnoli,  A., 1998, “Part-Through Cracks in Pipes Under Cyclic Bending,” Nucl. Eng. Des., 185, pp. 1–10.
Carpinteri,  A., and Brighenti,  R., 1998, “Circumferential Surface Flaws in Pipes Under Cyclic Axial Loading,” Eng. Fract. Mech., 60, pp. 383–396.
Atluri,  S. N., and Kathiresan,  K., 1979, “3-D Analysis of Surface Flaws in Thick-Walled Reactor Pressure Vessels Using Displacement-Hybrid Finite Element Method,” Nucl. Eng. Des., 51, pp. 163–176.
Raju,  I. S., and Newman,  J. C., 1982, “Stress-intensity Factors for Internal and External Surface Cracks in Cylindrical Vessels,” ASME J. Pressure Vessel Technol., 104, pp. 293–298.
Nishioka,  T., and Atluri,  S. N., 1982, “Analysis of Surface Flaw in Pressure Vessel by New 3-Dimensional Alternating Method,” ASME J. Pressure Vessel Technol., 104, pp. 299–307.
Lin,  X. B., and Smith,  R. A., 1997, “Numerical Analysis of Fatigue Growth of External Surface Cracks in Pressurised Cylinders,” Int. J. Pressure Vessels Piping, 71, pp. 293–300.
ASME Boiler and Pressure Vessel Code, 1981, Section XI, “Rules for Inservice Inspection of Nuclear Power Plant Components,” American Society of Mechanical Engineers, New York, NY.
British Standards Institution, 1991, BSI PD6493, Guidance on Some Methods for the Derivation of Acceptance Levels for Defects in Fusion Welded Joints, Section 3.
Broek, D., 1986, Elementary Engineering Fracture Mechanics, Martinus Nijhoff Publishers, Dordrecht, The Netherlands.
Timoshenko, S.P., and Goodier, J.N., 1970, Theory of Elasticity, McGraw-Hill, New York, NY.
Hill, R., 1967, The Mathematical Theory of Plasticity, Oxford University Press, Oxford, England.

Figures

Grahic Jump Location
Dimensionless SIF for R*(R/t) equal to 1 (a,c) or 10 (b,d), in the case of a constant (n=0) or a quartic (n=4) hoop stress distribution
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Dimensionless SIF under internal pressure for R*(R/t)=1(a) and R*(R/t)=10(b), in the case of ξ(a/t)=0.5
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External longitudinal flaw in a round pipe
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Elementary hoop stress distributions perpendicular to the crack faces: (a) constant, (b) linear, (c) quadratic, (d) cubic, (e) quartic
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Plasticization of a pressurized cylinder
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Three-dimensional finite element mesh
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Dimensionless SIF under internal pressure for R*(R/t)=1(a) and R*(R/t)=10(b), in the case of α (a/b)=0.2 and 1.0
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Dimensionless SIF under thermal stresses for R*(R/t)=1, in the case of α (a/b)=0.2 and 1.0
Grahic Jump Location
Dimensionless SIF under residual stresses for R*(R/t)=1, in the case of α (a/b)=0.2 and 1.0

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