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An Update on the Fracture Toughness Testing Methods Related to the Cracked Chevron-notched Brazilian Disk (CCNBD) Specimen

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Abstract

This paper reviews the use of the cracked Chevron-notched Brazilian disc (CCNBD) for fracture toughness testing. Theoretical and experimental backgrounds of the method are described. Some issues regarding the current development (i.e., recalibration) of the specimen geometry are presented and discussed. A number of geometries related to the CCNBD proposed recently for fracture toughness testing of rock are then introduced and commented on.

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Authors and Affiliations

  1. Department of Mining and Mineral Engineering, The University of Leeds, Leeds, UK

    R. J. Fowell, C. Xu & P. A. Dowd

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  1. R. J. Fowell
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  2. C. Xu
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  3. P. A. Dowd
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Fowell, R.J., Xu, C. & Dowd, P.A. An Update on the Fracture Toughness Testing Methods Related to the Cracked Chevron-notched Brazilian Disk (CCNBD) Specimen. Pure appl. geophys. 163, 1047–1057 (2006). https://doi.org/10.1007/s00024-006-0057-7

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  • DOI: https://doi.org/10.1007/s00024-006-0057-7

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