Impact of pressure on the structure of glass and its material properties

Philip Salmon, Liping Huang

Research output: Contribution to journalArticle

6 Citations (Scopus)
132 Downloads (Pure)

Abstract

High pressures have a significant impact on the structure-related properties of glass, and are encountered in scenarios that range from fracture mechanics, where stress in the gigapascal regime is easily generated by sharp-contact loading, to the manufacture of permanently densified materials with tuned physical characteristics. Here, we consider the pressure-induced structural changes that occur in glass and show that, for oxide materials, the oxygen-packing fraction plays a key role in determining when these changes are likely to occur. Fivefold coordinated Si atoms appear as important intermediaries in the pressure-induced deformation of silica glass.
Original languageEnglish
Pages (from-to)734-737
Number of pages4
JournalMRS Bulletin
Volume42
Issue number10
Early online date10 Oct 2017
DOIs
Publication statusPublished - 10 Oct 2017

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