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Residual Stresses and Stress Intensity Factors for Vickers Indentation Cracks in Glass Derived from COD Measurements

✍ Scribed by T. Fett; Z. Burghard; A. Zimmermann; F. Aldinger

Publisher: John Wiley and Sons
Year: 2004
Tongue: English
Weight: 385 KB
Volume: 6
Category: Article
ISSN: 1438-1656
DOI: 10.1002/adem.200400121

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✦ Synopsis

Vickers indentation cracks are an appropriate tool to determine the crack‐tip toughness K~I0~ of brittle materials as ceramics from the total crack opening displacements. In addition, the residual stresses occurring in the surrounding of an indentation can be evaluated. The fracture mechanics procedure is described in detail and applied to indentation cracks in glass.

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