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TECHNICAL PAPERS

C-Specimen Fracture Toughness Testing: Effect of Side Grooves and η Factor

[+] Author and Article Information
Y. Kim, Y. J. Chao

Department of Mechanical Engineering, University of South Carolina, Columbia, SC 29208

M. J. Pechersky, M. J. Morgan

Savannah River Technology Center, Savannah River Company, Aiken, SC 29808

J. Pressure Vessel Technol 126(3), 293-299 (Aug 18, 2004) (7 pages) doi:10.1115/1.1762425 History: Received May 15, 2003; Revised June 17, 2003; Online August 18, 2004
Copyright © 2004 by ASME
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References

Figures

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Arc-shaped tension specimen (C-specimen)
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Finite element meshes for the side-grooved C-specimen
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Stress-strain curves for 21-6-9 and 304 L stainless steels
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Comparison of load versus load-line displacement between two-dimensional plane-strain and side-grooved three-dimensional analyses
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Distribution of J through the thickness for the plane-sided C-specimen
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Distribution of J along the thickness for the side-grooved C-specimen
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Typical broken surface of the side-grooved C-specimen
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Effect of side grooves on the distribution of J through the thickness
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Comparison of the distributions of elastic-plastic plane-strain constraint parameter between two-dimensional C-specimen and three-dimensional side-grooved C-specimen under the max load
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Development of the plastic zone for two-dimensional C-specimen under the plane-strain condition
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Plastic zones under the max load: (a) two-dimensional plane strain, (b) side grooved three-dimensional (at the center plane)
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Extent of plastic zone for side grooved three-dimensional under the max load
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Comparison of J versus load between two-dimensional plane-strain and side-grooved three-dimensional analyses (21-6-9 stainless steel)
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Comparison of η between two-dimensional plane-strain and side-grooved three-dimensional
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J versus load for side-grooved C-specimen and ASTM CT-specimen
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Comparison of η between 21-6-9 and 304 L side-grooved C-specimens
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J versus load for side-grooved C-specimen and ASTM CT-specimen (304 L stainless steel)

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