Fecu phase diagram. A study of the microstructure of all steels usually starts with the metastable iron carbon fe c binary phase diagram figure 1. By using this infor mation and other data available the ye and yl equilibria in the fe cu system have been calculated and compared to the experimental information. New experimental data on the yl equilibrium are presented. On the fe cu phase diagram by per arne lindqvist and bjn uhrenius department of theoretical metallurgy royal institute of technology s 100 stockholm 70 sweden abstract.
It provides an invaluable foundation on which to build knowledge of both carbon steels and alloy steels as well as a number of various heat treatments they are usually subjected to hardening annealing. By using this information and other data available the ge and gl equilibria in the fe cu system have been calculated and compared to the experimental information. Up next phase diagrams. Phase diagrams metastable iron carbon fe c phase diagram.