Title: Thermodynamics and microstructure of Co-V8C7 alloy
Authors: Huang, Shuigen ×
Li, Lin
Vleugels, Jef
Van der Biest, Omer #
Issue Date: 2005
Publisher: Trans Tech Publications
Series Title: Materials Science Forum vol:492-493 pages:523-530
Abstract: The thermodynamic properties of the Co-V-C and CO-V8C7 systems are of interest for superfine cemented carbide applications. The model parameters for the Gibbs energy of the individual phases have been evaluated using the CALPHAD method by combining the recently optimized phase diagram information of the V-C, Co-C and CON system. The isothermal sections of ternary system Co-V-C at 1400 degrees C and 1600 degrees C, as well as the vertical section Of Co-V8C7 system were extrapolated. The calculated results, especially the liquid forming temperature Of CO-V8C7 system was validated with experiments by using differential scanning calorimetry (DSC) analysis. Through controlling the carbon activity, various vertical sections with different carbon activity in Co-V8C7 system are presented.
ISSN: 0255-5476
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Metallurgy and Materials Engineering Section (-)
Department of Materials Engineering - miscellaneous
× corresponding author
# (joint) last author

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