Proposal for universality in the viscosity of metallic liquids

Scientific Reports
M E BlodgettK F Kelton

Abstract

The range of magnitude of the liquid viscosity, η, as a function of temperature is one of the most impressive of any physical property, changing by approximately 17 orders of magnitude from its extrapolated value at infinite temperature (ηo) to that at the glass transition temperature, Tg. We present experimental measurements of containerlessly processed metallic liquids that suggest that log(η/ηo) as a function of TA/T is a potentially universal scaled curve. In stark contrast to previous approaches, the scaling requires only two fitting parameters, which are on average predictable. The temperature TA corresponds to the onset of cooperative motion and is strongly correlated with Tg, suggesting that the processes underlying the glass transition first appear in the high temperature liquid.

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Citations

Jan 23, 2016·The Journal of Physical Chemistry. B·Abhishek JaiswalYang Zhang
Apr 20, 2017·Physical Chemistry Chemical Physics : PCCP·Anatolii V Mokshin, Bulat N Galimzyanov
Jun 9, 2017·Physical Chemistry Chemical Physics : PCCP·Xi ZhaoLina Hu
Nov 15, 2016·Journal of Physics. Condensed Matter : an Institute of Physics Journal·K F Kelton
Sep 18, 2020·Science and Technology of Advanced Materials·Jaekyun HwangSatoshi Watanabe
Jun 6, 2018·The Journal of Chemical Physics·R DaiK F Kelton
Sep 1, 2019·The Journal of Chemical Physics·Misaki OzawaLudovic Berthier
Aug 29, 2020·Nature Communications·Ian H BellTrond S Ingebrigtsen
Dec 11, 2019·Scientific Reports·C W RyuT Egami
Dec 8, 2020·Journal of Physics. Condensed Matter : an Institute of Physics Journal·R M KhusnutdinoffA V Mokshin
Nov 3, 2020·Frontiers in Chemistry·Takeshi Egami, Chae Woo Ryu

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Methods Mentioned

BETA
differential scanning calorimetry

Software Mentioned

KKZNT
MYEGA

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