Heating Rate Effect on the Activation of Viscoelastic Relaxation in Silicate Glasses

Mohamed Naji (1) , Francesco Piazza (2) , Guillaume Guimbretière (1) , Aurèlien Canizarès (1) , Sandra Ory (1) , Yann Vaills (1)

1 CEMHTI - Conditions Extrêmes et Matériaux : Haute Température et Irradiation
2 CBM - Centre de biophysique moléculaire

Here we present a direct investigation of the heating rate effect on structural relaxation of sodium silicate glass near the glass transition by means of differential scanning calorimetry, and show the sensitivity of Brillouin light spectroscopy to the dynamic of structural relaxation in the medium range order (~100 nm).

Mots clés: Structural relaxation; Glass transition; Brillouin spectroscopy; Differential scanning calorimetry; Silicate glass

Domaines: Science des matériaux [cond-mat.mtrl-sci]

Mohamed Naji, Francesco Piazza, Guillaume Guimbretière, Aurèlien Canizarès, Sandra Ory, et al.. Heating Rate Effect on the Activation of Viscoelastic Relaxation in Silicate Glasses. Physics Procedia, 2013, 48, pp.125 - 131. ⟨10.1016/j.phpro.2013.07.021⟩. ⟨hal-03509583⟩