Time-temperature superposition in viscous liquids

Niels Boye Olsen; Jeppe Dyre; Tage Emil Christensen

Time-temperature superposition in viscous liquids

Niels Boye Olsen, Jeppe Dyre, Tage Emil Christensen

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

Abstract

This paper reports on aging of the silicone oil MS704 for sudden changes of temperature from 210.5 to 209.0 K and from 207.5 to 209.0 K studied by continuously monitoring the instantaneous shear modulus G [infinity] . The results are interpreted within the Tool-Narayanaswamy formalism with a reduced time definition based on a recently proposed expression for the relaxation time, where G [infinity] reflects the fictive temperature. All parameters entering the reduced time were determined from independent measurements of the frequency-dependent shear modulus of the equilibrium liquid.

Originalsprog	Engelsk
Tidsskrift	Physical Review Letters
Vol/bind	86
Udgave nummer	5
Sider (fra-til)	1271-1274
ISSN	0031-9007
Status	Udgivet - 2001

Link til dokument

2001 PRL 86 1271Forlagets udgivne version, 82,6 KB

http://milne.ruc.dk/~dyre/2001_PRL_86_1271.pdf

Citer dette

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AB - This paper reports on aging of the silicone oil MS704 for sudden changes of temperature from 210.5 to 209.0 K and from 207.5 to 209.0 K studied by continuously monitoring the instantaneous shear modulus G [infinity] . The results are interpreted within the Tool-Narayanaswamy formalism with a reduced time definition based on a recently proposed expression for the relaxation time, where G [infinity] reflects the fictive temperature. All parameters entering the reduced time were determined from independent measurements of the frequency-dependent shear modulus of the equilibrium liquid.

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