This article is cited in 12 papers

REVIEWS OF TOPICAL PROBLEMS

The distribution of carbon in steels

Yu. S. Nechaev

G. V. Kurdjumov Institute of Metals Science and Physics, State Research Center of the Russian Federation "I. P. Bardin Central Research Institute of Ferrous Metallurgy"

Abstract: The nature and characteristics of the way carbon present in steel is distributed spatially and over states may be related to quasichemical 'reactions' that lead to the formation in austenite ($\gamma$-Fe–C) and ferrite ($\alpha$-Fe–C) of 'carbo-austenite' and 'carbo-ferrite molecules' (nanocomplexes) consisting, along with C atoms, of, respectively, $\gamma$-Fe or $\alpha$-Fe and of octahedral $\gamma$- or $\alpha$-interstitials. In this way, various aspects of the quasichemical dissolution and diffusion 'reactions' of carbon in the material can be determined, as can the quasichemical component of the martensite transformation (MT) mechanism in carbon steels.

PACS: 61.72.-y, 62.20.-x, 81.30.Kf

Received: August 23, 2010
Revised: September 18, 2010
Accepted: September 21, 2010

DOI: 10.3367/UFNr.0181.201105b.0483

 English version: Physics–Uspekhi, 2011, 54:5, 465–471

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