Thermodynamics of interfacial energy in binary metallic systems: influence of adsorption on dihedral angles

Journal Article · Tue Feb 01 00:00:00 EST 2005 · Acta Materialia

DOI:https://doi.org/10.1016/j.actamat.2004.10.033· OSTI ID:20637146

Shimizu, I ^[1]; Takei, Y ^[2]

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1. Department of Earth and Planetary Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033 (Japan)
2. Earthquake Research Institute, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-0032 (Japan)

The solid-liquid interfacial energy (or interfacial tension) was investigated by the lattice-liquid statistical calculation and by the Cahn-Hilliard theory of interface. Interfacial energies in binary metallic systems were estimated from a few bulk thermodynamic properties, i.e., melting temperature, entropy of fusion, and the critical temperature of the liquid phase. In eutectic systems, interfacial energy gradually increases with decreasing concentration of the solid species in the liquid. In monotectic systems, interfacial thickening occurs and interfacial energy is reduced around the liquid immiscibility gap. The results of calculation explain the experimental data of dihedral angles fairly well.

• OSTI ID: 20637146
• Journal Information: Acta Materialia, Vol. 53, Issue 3; Other Information: DOI: 10.1016/j.actamat.2004.10.033; PII: S1359-6454(04)00644-5; Copyright (c) 2004 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA); ISSN 1359-6454
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ADSORPTION
CRITICAL TEMPERATURE
ENTROPY
EUTECTICS
INTERFACES
LIQUIDS
MELTING POINTS
SOLIDS
THERMODYNAMICS