Abstract
Structural phase transitions induced by megaplastic deformation at temperatures of 80–573 K are investigated in high-carbon Fe–Ni austenite of the invar range of compositions. Phase transformations change their direction from the nonequilibrium dissolution of graphite particles upon low-temperature (80 and 293 K) deformation and the activation of carbon precipitation from the fcc matrix to graphite upon high-temperature (373–573 K) deformation, due to the structure being saturated with point defects.
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Original Russian Text © V.A. Shabashov, A.E. Zamatovsky, K.A. Lyashkov, K.A. Kozlov, V.V. Sagaradze, 2017, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2017, Vol. 81, No. 7, pp. 914–917.
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Shabashov, V.A., Zamatovsky, A.E., Lyashkov, K.A. et al. Effect of the temperature of megaplastic deformation on the redistribution of carbon in Fe–Ni–C austenite. Bull. Russ. Acad. Sci. Phys. 81, 827–830 (2017). https://doi.org/10.3103/S1062873817070279
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DOI: https://doi.org/10.3103/S1062873817070279