Ternary Phase Diagrams
You can use the TCS Permanent Magnetic Materials Database (TCPMAG) to plot ternary phase diagrams in Thermo-Calc. Each assessed ternary system is modeled to accurately describe experimental phase diagram data available in the literature. These examples show a selection of the important assessed systems that are the building blocks of the database itself when applying the CALPHAD method.
The CALPHAD Method and the Thermo‑Calc Databases. Also visit the video tutorials on our website or our YouTube playlist.
When working in Thermo‑Calc with ternary diagrams you use either the Ternary Calculator (in Graphical Mode) or the Ternary module (in Console Mode). The fundamental calculation engine is the same but you access the settings in different ways.
Fe-Nd-B
Figure 1: Calculated Fe-Nd-B isothermal section at 1173 K with experimental data from [1985Bus] and [1986Bus].
Fe-Nd-B
Figure 2: Calculated vertical section of Fe-Nd-B at 80 at. % Fe with experimental data from [1986Sch].
Ce-Fe-B
Figure 3: Calculated Ce-Fe-B isothermal section at 973 K.
Fe-Pr-B
Figure 4: Calculated Fe-Pr-B liquidus projection.
References
[1985Bus] K. H. J. Buschow, D. B. De Mooij, H. M. Van Noort, The Fe- Rich Isothermal Section of Nd-Fe-B at 900 C. Philips J. Res. 40, 227–238 (1985).
[1986Bus] K. H. J. Buschow, D. B. De Mooij, J. L. C. Daams, H. M. Van Noort, Phase relationships, magnetic and crystallographic properties of Nd-Fe-B alloys. J. Less Common Met. 115, 357–366 (1986).
[1986Sch] G. Schneider, E.-T. Henig, G. Petzow, H. H. Stadelmaier, Phase Relations in the System Fe-Nd-B. Zeitschrift für Met. 77, 755–761 (1986).