Density measurements of liquid Fe-S alloys at high-pressure

We present the first static measurements of the density of metallic liquids in the Fe-S system in the pressure and temperature range 1.5 GPa-6.2 GPa and 1500 K - 1780 K. Density is inferred from X-ray absorption experiments carried out with a large volume press at the European Synchrotron Radiation Facility. It is shown that increasing the amount of sulfur in liquid iron decreases the bulk incompressibility by -2.5 GPa per 1 weight% of S. These data are important for constraining the presence and amount of sulfur in the cores of small planetary bodies.


Published in:
Geophysical Research Letters, 27, 811-814
Year:
2000
Keywords:
Laboratories:




 Record created 2011-09-29, last modified 2018-03-17


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