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The creep ductile response of cracked structures

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Abstract

The propagation of damage fronts across pre-cracked components has been studied by use of continuum methods. It is shown that such an idealisation can be used to model the propagation of cracks when the behaviour is “creep ductile”. In addition a technique for predicting the life of pre-cracked components emerges and is shown to agree well with certain experimental data.

Résumé

On a étudié la propagation des fronts d'endommagement dans des éléments préfissurés en utilisant une méthode par continuum. On montre qu'une telle idéalisation peut être utilisée pour représenter la propagation de fissures en état de fluage ductile.

En outre, il en ressort une technique permettant de réduire la durée de vie d'éléments préfissurés et l'on montre que ces prédictions concordent bien avec certaines données expérimentales.

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Authors and Affiliations

  1. Berkeley Nuclear Laboratories, Central Electricity Generating Board, Berkeley, Gloucestershire, UK

    I. W. Goodall & E. J. Chubb

Authors
  1. I. W. Goodall
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  2. E. J. Chubb
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Goodall, I.W., Chubb, E.J. The creep ductile response of cracked structures. Int J Fract 12, 289–303 (1976). https://doi.org/10.1007/BF00036986

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  • DOI: https://doi.org/10.1007/BF00036986

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