Abstract
Because of the technical importance of the phase relationships in the iron-carbon system, the number of its investigations is astronomical. Even so, few changes to the phase diagrams of the stable (Fe-graphite) and the metastable (Fe-cementite) systems had to be made in the past (Hansen [A], Elliott and Gleiser [1]). However, a novel feature of the phase boundary evaluation has been introduced by the application of thermochemical calculations, leading to the evaluation of true equilibrium diagrams. In this way, Chipman [2] dealt with the ranges up to 12 wt.%, that is 39 at.% C at 0–3,000°C. Schürmann and Schmid [3] went further by calculating the equilibria of graphite and cementite with ferrite and austenite separately. Because of the small differences in Gibbs energy, the metastable equilibria are of particular significance.
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References
Elliott, J.F.; Gleiser, M.: Thermochemistry for Steelmaking, Vol.1. Reading: Addison-Wesley 1960
Chipman, J.: Met. Trans. 3 (1972) 55
Schürmann, E.; Schmid, R.: Arch. Eisenhüttenwes. 50 (1979) 101
Schürmann, E.; Schmid, R.: Arch. Eisenhüttenwes. 50 (1979) 185
Hägg, G.: Z. Kristallogr. 89 (1934) 92
Zhukov, A.A.; Snezhnoy, R.L.: Doklady Akad. Nauk SSSR 211, 1 (1973) 145
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© 1982 Springer-Verlag Berlin Heidelberg
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von Goldbeck, O.K. (1982). Iron—Carbon Fe—C. In: IRON—Binary Phase Diagrams. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-08024-5_12
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DOI: https://doi.org/10.1007/978-3-662-08024-5_12
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