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Suggested method for determining mode I fracture toughness using Cracked Chevron Notched Brazilian Disc (CCNBD) specimens

✍ Scribed by R.J. Fowell

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 593 KB
Volume: 32
Category: Article
ISSN: 0148-9062
DOI: 10.1016/0148-9062(94)00015-u

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The centrally cracked Brazilian disc specimen has been used frequently in the past for investigating mixed mode I-II fracture toughness in rock materials. However, a review of the available test results reveals that the conventional fracture criteria like the maximum tangential stress criterion alwa