Conclusion
In the temperature range between Ac1 and Ac3 the chemical composition of the α and γ phases is not identical not only in carbon but also in alloying elements—the concentration of α stabilizers (aluminum, silicon) is higher in ferrite than in austenite, and the concentration of γ stabilizer (nickel) is higher in austenite than in ferrite.
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Literature cited
N. N. Lipchin et al., in: Scientific Reports, No. 26, Problems of Metal Science and Strength of Steel [in Russian], Perm' Polytechnical Institute (1966).
V. M. Ershov and N. L. Oslon, in: Scientific Reports, No. 26, Problems of Metal Science and Strength of Steel [in Russian], Perm' Polytechnical Institute (1966).
Ya. S. Umanskii, X-Ray Diffraction Analysis of Metals [in Russian], Mashgiz, Moscow (1950).
Additional information
Deceased.
Perm' Polytechnical Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 6–8, January, 1972.