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Slip-line field solutions for three-point notch-bend specimens

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Abstract

The slip-line field solutions for three-point bend specimens are reviewed for both deep and shallow notches. Plastic constraint factors, hydrostatic stress at the notch root and rotation constant to enable the crack upp opening displacement to be determined are given for a wide range of notch geometries. These values can be used in the fracture analysis of low strength metal specimens.

Résumé

On passe en revue les solutions décrivant les champs de bandes de glissement dans des éprouvettes de flexion sur trois appuis, dans les deux cas d'entailles peu profondes. On fournit pour une large gamme de géométries d'entaille les facteurs de retraint plastique, les contraintes hydrostatiques à la racine de l'entaille et la constante de rotation permettant de déterminer le COD à l'extrémité de la fissure. Ces valeurs peuvent être utilisées pour l'analyse de la rupture des éprouvettes de métaux à faible résistance.

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Authors and Affiliations

  1. Department of Mechanical Engineering, University of Sydney, 2006, Sydney, N.S.W., Australia

    Shang-Xian Wu, Brian Cotterell & Yiu-Wing Mai

Authors
  1. Shang-Xian Wu
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  2. Brian Cotterell
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  3. Yiu-Wing Mai
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Wu, SX., Cotterell, B. & Mai, YW. Slip-line field solutions for three-point notch-bend specimens. Int J Fract 37, 13–29 (1988). https://doi.org/10.1007/BF00017820

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  • DOI: https://doi.org/10.1007/BF00017820

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