Thermodynamic description of Si-B binary system

thermodynamic 0103 physical sciences Si-B binary system metallurgical grade silicon 02 engineering and technology 0210 nano-technology 01 natural sciences CompuTherm Engineering(all)
DOI: 10.1016/j.proeng.2012.01.1027 Publication Date: 2012-02-19T05:07:37Z
ABSTRACT
AbstractThe Si-B binary system was thermodynamically assessed and described using the CompuTherm Pandat software. The solution phases, including Liquid, diamond-Si and β-B were treated as substitutional solution phases, of which the Gibbs energies were expressed with Redlich-Kister polynomial functions. Meanwhile, the compounds, SiB3, SiB6, SiBn, were modeled as stoichiometric compounds. The thermodynamic parameters formulating the Gibbs energies of various phases were obtained and the equilibrium and transition of phases were discussed. The existent forms for Si-B phases in MG-Si melt were forecast.
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