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TECHNICAL PAPERS

3-D Stress Intensity Factors for Internal Cracks in an Overstrained Cylindrical Pressure Vessel—Part I: The Effect of Autofrettage Level

[+] Author and Article Information
M. Perl, A. Nachum

Pearlstone Center for Aeronautical Engineering Studies, Department of Mechanical Engineering, Ben Gurion University of the Negev, Beer-Sheva 84105, Israel

J. Pressure Vessel Technol 122(4), 421-426 (Jul 21, 2000) (6 pages) doi:10.1115/1.1310162 History: Received November 10, 1998; Revised July 21, 2000
Copyright © 2000 by ASME
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References

Figures

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(a) Radial surface cracks in a thick-walled cylinder; (b) cylinder segment employed in the FE model
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KIA/K0 variation along the crack front of semi-circular radial surface cracks in a fully autofrettaged cylinder (a/t=0.05)
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KIA/K0 variation along the crack front of semi-circular radial surface cracks in a fully autofrettaged cylinder (a/t=0.2)
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KIA/K0 variation along the crack front of semi-circular radial surface cracks in a fully autofrettaged cylinder (a/t=0.6)
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Kmax/K0 for semi-circular radial surface cracks in a fully autofrettaged cylinder (ϕ=0)
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KIA/K0 variation along the crack front of slender semi-elliptical radial surface cracks in a fully autofrettaged cylinder (a/t=0.05,a/c=0.2)
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KIA/K0 variation along the crack front of slender semi-elliptical radial surface cracks in a fully autofrettaged cylinder (a/t=0.2,a/c=0.2)
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KIA/K0 variation along the crack front of slender semi-elliptical radial surface cracks in a fully autofrettaged cylinder (a/t=0.05,a/c=0.5)
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KIA/K0 variation along the crack front of slender semi-elliptical radial surface cracks in a fully autofrettaged cylinder (a/t=0.2,a/c=0.5)
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KIA/K0 variation along the crack front of slender semi-elliptical radial surface cracks in a fully autofrettaged cylinder (a/t=0.6,a/c=0.5)
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KIA/K0 variation along the crack front of transverse semi-elliptical radial surface cracks in a fully autofrettaged cylinder (a/t=0.05,a/c=1.5)
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KIA/K0 variation along the crack front of transverse semi-elliptical radial surface cracks in a fully autofrettaged cylinder (a/t=0.6,a/c=1.5)
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KIA/K0 variation along the crack front for one semi-circular radial surface crack for different levels of autofrettage (a/t=0.05)
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KIA/K0 variation along the crack front of semi-circular radial surface cracks in 60 percent autofrettaged cylinder (a/t=0.2)
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KIA/K0 variation along the crack front of slender semi-elliptical radial surface cracks in 60 percent autofrettaged cylinder (a/t=0.05,a/c=0.2)
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KIA/K0 variation along the crack front of slender semi-elliptical radial surface cracks in 60 percent autofrettaged cylinder (a/t=0.2,a/c=0.5)
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KIA/K0 variation along the crack front of transverse semi-elliptical radial surface cracks in 60 percent autofrettaged cylinder (a/t=0.2,a/c=1.5)

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