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Journal Articles Journal of Materials Science Year : 2010

Interfacial properties of immiscible Co-Cu alloys

D M Herlach
  • Function : Author
L. Ratke
  • Function : Author
M. Kolbe
  • Function : Author
E. Johnson
  • Function : Author
N. Pryds
  • Function : Author

Abstract

Using electromagnetic levitation under micro-gravity conditions, the interfacial properties of an Cu 75 Co 25 alloy have been investigated in the liquid phase. This alloy exhibits a metastable liquid miscibility gap and can be prepared and levitated in a configuration consisting of a liquid cobalt-rich core surrounded by a liquid copper-rich shell. Exciting drop oscillations and analysing the frequency spectrum, both surface and (liquid–liquid) interfa-cial tension can be derived from the observed oscillation frequencies. This paper briefly reviews the theoretical background and reports on a recent experiment carried out on board the TEXUS 44 sounding rocket.
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Dates and versions

hal-00475834 , version 1 (17-04-2018)

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I. Egry, D M Herlach, L. Ratke, M. Kolbe, D. Chatain, et al.. Interfacial properties of immiscible Co-Cu alloys. Journal of Materials Science, 2010, 45 (8), pp.1979-1985. ⟨10.1007/s10853-009-3890-0⟩. ⟨hal-00475834⟩
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