Viscosity and density of Fe–S liquids at high pressures

High P, T measurements of viscosity and density of Fe-S liquids are reported. Viscosity was measured using Stokes method and synchrotron radiographic techniques for real-time imaging of a falling/rising composite sphere in Fe-S liquids. For P up to 4 GPa and T up to 1523 K, measured viscosities are...

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Bibliographic Details
Published in:Journal of physics. Condensed matter 2002-11, Vol.14 (44), p.11325-11330
Main Authors: Secco, R A, Rutter, M D, Balog, S P, Liu, H, Rubie, D C, Uchida, T, Frost, D, Wang, Y, Rivers, M, Sutton, S R
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Diffusive momentum transport (including viscosity of liquids)
Exact sciences and technology
Metals. Metallurgy
Physics
Transport properties of condensed matter (nonelectronic)
Viscosity of liquids
diffusive momentum transport
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Summary:High P, T measurements of viscosity and density of Fe-S liquids are reported. Viscosity was measured using Stokes method and synchrotron radiographic techniques for real-time imaging of a falling/rising composite sphere in Fe-S liquids. For P up to 4 GPa and T up to 1523 K, measured viscosities are of the order of 10 exp -2 -10 exp -3 Pa s. Density of Fe-10 wt% S liquids was measured using the sink/float method with composite spheres. The high P density data indicate a density increase of 29% between 1 atm and 15 GPa at 1923 K.
ISSN:0953-8984
1361-648X
DOI:10.1088/0953-8984/14/44/476