Journal
JOURNAL OF NON-CRYSTALLINE SOLIDS
Volume 279, Issue 2-3, Pages 219-223Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0022-3093(00)00418-X
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Vickers indentation tests were conducted on a commercial soda-lime glass to determine the fracture toughness. The resultant fracture toughness data were then analyzed statistically. It was found that there always exists a somewhat large scatter in the indentation toughness measured at each applied load level. The variability of the measured indentation toughness was modeled by the well-known Weibull statistics. For different sets of indentation toughness data measured at different load levels, the resultant Weibull moduli are nearly identical with each other: indicating that the statistical variability of the indentation toughness is load-independent. (C) 2001 Elsevier Science B.V. All rights reserved.
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