Isothermal sections for the iron rich corner of the Fe-Cu-C system have been constructed at 1500, 1450, 1200, 1172, 1150, 1000, and 950°C. A ternary invariant point exists at 1172°C where an iron rich liquid, a copper rich liquid, austenite, and graphite coexist. The iron rich liquid contains 3.7 wt pct Cu and 4.0 wt pct C. The austenite contains 7.3 pct Cu and 1.6 pct C. The copper rich liquid contains 2.4 pct Fe, and apparently very little carbon. The diagrams are used to explain the phenomena of "inverse segregation" that occurs during the solidification of iron rich Fe-Cu-C alloys. © 1979 American Society for Metals and the Metallurgical Society of AIME.
K. Parameswaran et al., "Phase Equilibria For Iron-rich Fe-Cu-C Alloys: 1500 To 950°C," Metallurgical Transactions A, vol. 10, no. 12, pp. 1929 - 1939, Springer; ASM International, Dec 1979.
The definitive version is available at https://doi.org/10.1007/BF02811739
Materials Science and Engineering
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01 Dec 1979