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

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

2012-03-14

arxiv.org/abs/1203.3046v1

Physics

Condensed Matter

Materials Science

4 pages, 3 figures

Scientific paper

High-resolution Brillouin scattering is used to characterize the residual densified area left in the imprint of a Vickers indentation on a silicate glass surface. Assuming a linear relation between the measured Brillouin frequency shift of the longitudinal acoustic modes and the glass density, 3D residual densification maps are obtained. In view of identification of a constitutive law, the results show that $\mu$-Brillouin spectroscopy opens the way to a fully quantitative comparison of experimental data with predictions of mechanical models.

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