Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 395, Issue 1-2, Pages 180-185Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2004.12.017
Keywords
boron carbide; metals; titanium; wetting; interface; phase diagram
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The interface structure and the wetting behaviour in the B4C/(Me-Ti) (Me = Cu, Ag, Sn and An) systems were examined taking into account the solubility of boron in the melts and new phase formation at the interface. Wetting in the B4C/(Cu-Ti) system may be attributed to direct contact between TiB2, formed at the interface, and the Cu-Ti melt. The equilibrium contact angle in the B4C/Me-Ti systems, Me = Ag, An and Sn, reflects probably the formation of a non-stoichiometric TiCx surface layer with a carbon content determined by the activity of titanium in the corresponding melt. The experimental results are in good agreement with the results of a thermodynamic analysis of the B4C/Me-Ti systems. (c) 2004 Elsevier B.V. All rights reserved.
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