Fracture toughness-composition relationship in some binary and ternary glass systems |
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Authors: | E Vernaz F Larche J Zarzycki |
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Affiliation: | Laboratory of Materials Science and CNRS Glass Laboratory, University of Montpellier 2, 34060 Montpellier Cedex, France |
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Abstract: | Measurements of the critical stress intensity factor KIc are reported for glasses in the Na2OSiO2, PbOSiO2, ZnOB2O3, PbOB2O3, Na2OGeO2 and 20Na2O?(80 ? x) B2O3 ? xSiO2 systems. The variations of KIc with composition are not directly related to the simultaneous variations of Young's modulus. A tentative interpretation is given. |
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