Elastic moduli of calcium alumino-silicate glasses studied by Brillouin scattering

Luu Gen Hwa; Chung Ling Lu; Li Chi Liu

doi:10.1016/S0025-5408(00)00317-2

Elastic moduli of calcium alumino-silicate glasses studied by Brillouin scattering

Luu Gen Hwa, Chung Ling Lu, Li Chi Liu

Department of Physics

Research output: Contribution to journal › Article

23 Citations (Scopus)

Abstract

Brillouin scattering was used to investigate the elastic properties of calcium alumino-silicate glasses. The Brillouin frequency shifts, along with the measurements of density and refractive index, allowed the calculation of sound velocities and elastic constants. The values of elastic moduli (including Young's modulus, bulk modulus, shear modulus, and Poisson ratio), derived from experimental data for our glasses, were much larger those for pure SiO₂ glass. These values were compared with those calculated in terms of existing theories.

Original language	English
Pages (from-to)	1285-1292
Number of pages	8
Journal	Materials Research Bulletin
Volume	35
Issue number	8
DOIs	https://doi.org/10.1016/S0025-5408(00)00317-2
Publication status	Published - 2000 Jun 1

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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AB - Brillouin scattering was used to investigate the elastic properties of calcium alumino-silicate glasses. The Brillouin frequency shifts, along with the measurements of density and refractive index, allowed the calculation of sound velocities and elastic constants. The values of elastic moduli (including Young's modulus, bulk modulus, shear modulus, and Poisson ratio), derived from experimental data for our glasses, were much larger those for pure SiO2 glass. These values were compared with those calculated in terms of existing theories.

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