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Volumn 277, Issue 5323, 1997, Pages 219-221

Anomalous behavior of sound velocity and attenuation in liquid Fe-Ni-S

Author keywords

[No Author keywords available]

Indexed keywords

IRON; NICKEL; SULFUR;

EID: 0030849482     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.277.5323.219     Document Type: Article
Times cited : (44)

References (56)
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    • The Fe-5%Ni-10%S sample was prepared by J.-F. Jeanneret and W.-D. Schneider of the University of Lausanne (Switzerland). The starting powder components for the Fe-5%Ni-10%S were 99.5%, 45-μm (325 mesh) iron (Pierce Inorganic, number P00170); 99.8%, 45-μm (325 mesh) nickel (Ventron, number 224); and 99.5%, 150-μm (100 mesh) sulfur (Cerac, number S2016). About 100 g of powder components were thoroughly mixed in the proper ratio measured in weight percent. The mixture was cold-compacted into 25-mm-diameter pellets. The pellets were then sintered at 1073 K for 1 to 2 hours.
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    • 3) to identify misalignment of the buffer rods (asymmetry in the resonance peaks), poor transducer bonding or electronic tuning (low overall transmitted amplitude), and lack of parallelism or flatness of the rod faces (ripples in the decay pattern).
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    • Supported by grants from NSF (EAR-89-17531 and EAR-90-06790), the W. M. Keck Foundation, and the School of Ocean and Earth Science and Technology, University of Hawaii. P.M.N. further acknowledges financial support for graduate study from the following sponsors in Switzerland: Foundation L. and H. Mouttet (LEMO S.A.), Foundation Fern-Moffat (Société Académique Vaudoise), and Foundation Sunburst (Council of the Swiss Institutes of Technology). We acknowledge the valuable comments and suggestions made on the manuscript by D. Loper, Florida State University, and by the two anonymous reviewers. School of Ocean and Earth Science and Technology contribution number 4500.


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