Other
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja....11347b&link_type=abstract
EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #11347
Other
Scientific paper
The composition of the Earth's outer core and of the liquid metallic cores of other planetary bodies is not yet known. It is presently believed that S is the most likely candidate for the light element in the Earth's molten core. Various reports on Io, Ganymede and Mars also suggest an Fe-FeS composition for their present/ or extinct molten cores. Experimental high pressure data on physical and transport properties of Fe-rich molten alloys are scarce, mainly due to the high reactivity of the sample. The intent of the present study is to determine the Equation of State of liquid FeS and eutectic Fe-FeS. Previously, we reported compressibility data for Fe-10wt%S, measured at pressures up to 20 GPa and temperatures up to 2123 K. The method used is based on a modification of the sink/ float technique, employing composite spheres as density markers. We report here the results of measured compressibility of liquid FeS and eutectic Fe-FeS at pressures up to 15 GPa and temperatures up to 2373 K.
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