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Digitale Medien

Stress intensity factors for an elliptical crack approaching the surface of a semi-infinite solid (1973)

Shah, R. C. ; Kobayashi, A. S.

Springer

International journal of fracture 9 (1973), S. 133-146

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Details

ISSN: 1573-2673

Quelle: Springer Online Journal Archives 1860-2000

Thema: Maschinenbau

Notizen: Abstract Stress intensity factors for an embedded elliptical crack approaching the free surface of the semi-infinite solid that is subjected to uniform tension perpendicular to the plane of crack are presented in a nondimensional form for various crack aspect ratios and crack distances from the free surface. Stress intensity factors are determined numerically using an alternating technique with two solutions. The first solution involves an elliptical crack in a solid and subjected to normal loading expressible in a polynomial of x and y. The second solution involves stresses in the half space due to prescribed normal and shear stresses on the surface. Effect of the Poisson's ratio on these stress intensity factors is also investigated. Stress intensity factors for a semi-elliptical surface crack in a tinite thickness plate are then estimated in a nondimensional form for various crack aspect ratios and crack depth to plate thickness ratios.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00041855

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