Journal
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING
Volume 35, Issue 12, Pages 1376-1385Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijimpeng.2008.07.019
Keywords
Shock; Glass; Random network model; Glass modifiers; Fused silica
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Silica based glasses are commonly used as window material in applications which are subject to high velocity impacts. Thorough understanding of the response to shock loading in these materials is crucial to the development of new designs. Despite the lack of long range order in amorphous glasses, the structure can be described statistically by the random network model. Changes to the network structure alter the response to shock loading. Results indicate that in fused silica, substitution of boron as a network former does not have a large effect on the shock loading properties while modifying the network with sodium and calcium changes the dynamic response. These initial results suggest the potential of a predictive capability to determine the effects of other network substitutions. Published by Elsevier Ltd.
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