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Variation of stretch zone width with J, loading rate, temperature and pre-crack depth

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Abstract

The effect of J, temperature, loading rate and pre-crack depth on stretch zone width have been examined. This revealed that changes in stretch zone width with pre-critical J and temperature are larger than measurement uncertainties and thus can be determined with confidence. Changes in stretch zone width with loading rate are smaller; large changes in velocity are required if changes in stretch zone width are to be measured. No change in stretch zone width with pre-crack depth could be detected. In all cases, secondary shear cracks complicated the assessments.

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Authors and Affiliations

  1. Defence Research Establishment Atlantic, P.O. Box 1012, B2Y-3Z7, Dartmouth, Nova Scotia, Canada

    C. V. Hyatt & J. R. Matthews

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  1. C. V. Hyatt
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  2. J. R. Matthews
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Hyatt, C.V., Matthews, J.R. Variation of stretch zone width with J, loading rate, temperature and pre-crack depth. Int J Fract 66, 19–32 (1994). https://doi.org/10.1007/BF00012633

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  • DOI: https://doi.org/10.1007/BF00012633

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