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Surface tension of binary NiCr alloys

Michael Schick, Wajahat Khan, Klaus Hack and Ivan Egry

In steelmaking, thermophysical properties like viscosity, density and surface tension are important quantities and of great practical interest. In the present paper the surface tensions of binary NiCr alloys have been calculated as functions of composition using the Gibbs energy minimization method. Simultaneously, surface tensions have been measured as functions of temperature and composition employing the oscillating drop method and electromagnetic levitation. Experimental and theoretical results are compared to each other and good agreement is found.

Keywords: alloy, binary alloy, surface tension, thermophysical properties, nickel, chromium, Gibbs energy minimization.

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