Thermodynamic Description of Ternary Fe-X-P Systems. Part 8: Fe-Si-P
Source abstract
Abstract
Thermodynamic descriptions of the Fe-Al-P system and its binary sub-systems, Fe-Al and Al-P, are developed in the frame of a new Fe-X-P (X = Al, Cr, Cu, Mn, Mo, Nb, Ni, Si, Ti) database. The thermodynamic parameters of the binary Fe-P system are taken from an earlier assessment and those of the Fe-Al, Al-P and Fe-Al-P systems are modified (Fe-Al, Al-P) or optimized (Fe-Al-P) in this study, using experimental thermodynamic and phase equilibrium data from the literature. The solution phases of the system (liquid, bcc_A2 and fcc_A1) are described with the substitutional solution model. The compounds are treated either as stoichiometric (Al5Fe4, Al2Fe, Al5Fe2, Al13Fe4, FeP, AlP) or as semi-stoichiometric phases (Fe3P and Fe2P). Good or reasonable correlation has been obtained between the calculated and the experimental thermodynamic and phase equilibrium data.
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Research context
OpenAlex topics: Microstructure and Mechanical Properties of Steels · Metallurgical Processes and Thermodynamics · Metallurgical and Alloy Processes
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References (26)
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