Generalized single-parameter aging tests and their application to glycerol

Abstract

Physical aging of glycerol following temperature jumps is studied by dielectric spectroscopy at temperatures just below the glass transition temperature. The data are analyzed using two single-parameter aging tests developed by Hecksher et al. [J. Chem. Phys. 142, 241103 (2015)]. We generalize these tests to include jumps ending at different temperatures. Moreover, four times larger jumps than previously are studied. The single-parameter aging tests are here for the first time applied to a hydrogen-bonded liquid. We conclude that glycerol obeys single-parameter aging to a good approximation.

arXiv comment20 pages, 8 figures

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Cited by in corpus (8)

• Predicting nonlinear physical aging of glasses from equilibrium relaxation via the material time
• Distance-as-time in physical aging
• Time-scale coupling in hydrogen- and van der Waals-bonded liquids
• Single-parameter aging in a binary Lennard-Jones system
• Non-linear physical aging of supercooled glycerol induced by large upward ideal temperature steps monitored through cooling experiments
• Single parameter aging and density scaling
• Linear-limit aging times of three monoalcohols
• Single-parameter aging in the weakly nonlinear limit