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
AUTHORS (7)
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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