Differences in indentation and wear behaviors between the two sides of thermally tempered soda lime silica glass

Hongtu He, Hongshen Liu, Yen Ting Lin, Conghang Qu, Jiaxin Yu, Seong H. Kim

Research output: Contribution to journalArticlepeer-review

Abstract

Thermal tempering is an industrial process widely used to make soda lime silica (SLS) glass panels stronger and tougher. During the tempering process, the upper and bottom sides of the glass may experience different cooling rates, and thus, their properties could be different. This study characterized changes in surface composition and subsurface glass network structures as well as indentation and wear resistance properties of the air- and tin-sides of 6-mm-thick SLS window panels faced toward the upper and sliding roller sides during thermal tempering. The results showed that although the chemical and structural differences detected with X-ray photoelectron spectroscopy and specular reflection infrared spectroscopy are subtle, there are large differences in nanoindentation behaviors and mechanochemical wear properties of the SLS glass surface. The findings of this study provide further insights into the performance difference between the air- and tin-sides of the SLS glass panel treated with thermal tempering.

Original languageEnglish (US)
Pages (from-to)4718-4727
Number of pages10
JournalJournal of the American Ceramic Society
Volume104
Issue number9
DOIs
StatePublished - Sep 2021

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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