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TECHNICAL PAPERS

J-R Curves From Through-Wall Cracked Elbow Subjected to In-Plane Bending Moment

[+] Author and Article Information
J. Chattopadhyay, T. V. Pavankumar, B. K. Dutta, H. S. Kushwaha

Reactor Safety Division, Hall-7, Bhabha Atomic Research Center, Mumbai 400085, India

J. Pressure Vessel Technol 125(1), 36-45 (Jan 31, 2003) (10 pages) doi:10.1115/1.1511518 History: Received March 13, 2001; Revised July 30, 2002; Online January 31, 2003
Copyright © 2003 by ASME
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References

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Figures

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Elbow with through-wall circumferential crack under in-plane bending moment
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Elbow with through-wall axial crack at (a) extrados, (b) crown, (c) intrados under in-plane bending moment
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Schematic drawing of elbow test setup
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Photograph of elbow test rig
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Load versus load-line-displacements for the elbow specimens
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Load versus load-line-displacement due to crack only for various elbow specimens
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Load versus plastic load-line-displacements due to crack only for various elbow specimens
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Load versus crack growth curves for the elbow specimens
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Component J-R curves generated from elbow specimens
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Typical finite element mesh used for through-wall circumferentially cracked elbow
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Stress-strain diagram from tensile samples
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Comparison of numerical and experimental results for ELTWIN8-1
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Comparison of numerical and experimental results for ELTWIN8-2
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Comparison of numerical and experimental results for ELTWEX8-4
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Comparison of numerical and experimental results for ELTWCR8-6

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