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Institutional Repository [SANDBOX]
Technical University of Crete
Technical University of Crete
EN
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| URI: | http://purl.tuc.gr/dl/dias/2D57449C-9733-410C-BA80-2EEB3B60608A | ||
| Year | 1996 | ||
| Type of Item | Peer-Reviewed Journal Publication | ||
| License |
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| Bibliographic Citation | G. Exadaktylos, I. Vardoulakis and E. Aifantis, "Cracks in gradient elastic bodies with surface energy," Int. J. Fracture, vol. 79, no. 2, pp. 107-119, Jun. 1996. doi:10.1007/BF00032929 https://doi.org/10.1007/BF00032929 | ||
| Appears in Collections |
In the present paper the effect of higher order gradients on the structure of line-crack tips is determined. In particular we introduce in the constitutive equations of the linear deformation of an elastic solid a volumetric energy term, which includes the contribution of the strain gradient, and a surface energy gradient dependent term and then determine the effect of these terms on the structure of the mode-III crack tip and the associated stress and strain fields. By making use of the solution in terms of Fourier transform of the equation of elastic equilibrium we solve the half-plane boundary value problems of: (a) specified tractions, and (b) prescribed displacements, along the crack surface, respectively.
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