Mechanochemical wear of soda lime silica glass in humid environments

Hongtu He, Linmao Qian, Carlo G. Pantano, Seong H. Kim

Research output: Contribution to journalArticlepeer-review

51 Scopus citations

Abstract

The mechanochemical wear of multicomponent glasses was studied under controlled humidity conditions using a reciprocating ball-on-flat tribometer. For dry conditions, the surfaces were extensively damaged by scratching for all of the glasses, while for humid conditions the wear behavior varied with the glass composition suggesting a chemical effect on scratch behaviors of glass surfaces. The wear of soda lime silica (also called sodium calcium silicate) glass was suppressed with increasing humidity, while the borosilicate and barium boroaluminosilicate glasses showed an increase in wear volume with increasing humidity. The unique humidity dependence of the observed mechanochemical wear of soda lime silica glass supports the hypothesis that hydronium ion formation in the sodium-leached sites of the soda lime glass enhances its wear resistance.

Original languageEnglish (US)
Pages (from-to)2061-2068
Number of pages8
JournalJournal of the American Ceramic Society
Volume97
Issue number7
DOIs
StatePublished - Jul 2014

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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