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Revealing the surface structural cause of scratch formation on soda-lime-silica glass

Title data

Roy, Barsheek ; Rosin, Andreas ; Gerdes, Thorsten ; Schafföner, Stefan:
Revealing the surface structural cause of scratch formation on soda-lime-silica glass.
In: Scientific Reports. Vol. 12 (17 February 2022) . - No. 2681.
ISSN 2045-2322
DOI: https://doi.org/10.1038/s41598-022-06649-y

Official URL: Volltext

Abstract in another language

Scratch formation on glass surfaces is a ubiquitous phenomenon induced by plastic deformation, often accompanied by radial, lateral or median cracks with consequent chipping and brittle fracture caused during and after the event of dynamic abrasion instigated by shear stress by a harder material. This paper addresses the fundamental aspect of scratch formation on soda-lime-silica (SLS) glass surfaces. A constructive combination of surface-sensitive characterization tools, including field emission scanning electron microscopy (FESEM), laser scanning microscopy (LSM), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy and instrumented indentation technique (IIT), helped to investigate the structural cause of generation of visible scratches on SLS glass surfaces. The experimental results indicate that a silicate network possessing a mechanically weakening structural characteristic in terms of network connectivity confined to the region between 5 and 100 nm below the glass surface is likely to cause a destructive surface scratch eminently visible to the naked eye.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Ceramic Materials > Chair Ceramic Materials - Univ.-Prof. Dr.-Ing. Stefan Schafföner
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
500 Science > 540 Chemistry
600 Technology, medicine, applied sciences > 600 Technology
600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 01 Mar 2022 09:45
Last Modified: 01 Mar 2022 09:45
URI: https://eref.uni-bayreuth.de/id/eprint/68838