Micro-Brillouin spectroscopy mapping of the residual density field induced by Vickers indentation in a soda-lime silicate glass - Usages et représentations territoriales en contexte amazonien traditionnel Access content directly
Journal Articles Applied Physics Letters Year : 2012

Micro-Brillouin spectroscopy mapping of the residual density field induced by Vickers indentation in a soda-lime silicate glass

Abstract

High-resolution Brillouin scattering is used to achieve 3-dimensional maps of the longitudinal acoustic mode frequency shift in soda-lime silicate glasses subject to Vickers indentations. Assuming that residual stress-induced effects are simply proportional to density changes, residual densification fields are obtained. The density gradient is nearly isotropic, confirming earlier optical observations made on a similar glass. The results show that Brillouin micro-spectroscopy opens the way to a fully quantitative comparison of experimental data with predictions of mechanical models for the identification of a constitutive law.
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Dates and versions

hal-00703871 , version 1 (03-06-2021)

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Trung Hieu Tran, Sebastien Clement, Remy Vialla, Damien Vandembroucq, Benoit Ruffle. Micro-Brillouin spectroscopy mapping of the residual density field induced by Vickers indentation in a soda-lime silicate glass. Applied Physics Letters, 2012, 100 (23), pp.231901. ⟨10.1063/1.4725488⟩. ⟨hal-00703871⟩
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