Brittle Fracture Analysis Using a Ring-Shape Specimen Containing Two Angled Cracks
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A ring shaped specimen is used for studying mixed mode fracture in brittle materials. The ring specimen is subjected to a compressive diametral load and contains two angled central cracks. A series of fracture tests are conducted under various mode mixities using the ring specimen. It is shown that the obtained experimental results are in a very good agreement with theoretical predictions of the modified maximum tangential stress criterion.
Keywordsring specimen mixed mode loading brittle materials fracture criterion
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