Characteristic Features of Nanoscale Сarbide Inclusions Nucleation and Growth When Carburizing Steels

Authors	L.I. Roslyakova¹ , I.N. Roslyakov² , A.G. Besedin¹
Affiliations	¹ Southwest State University, Department of General and Applied Physics, 94, 50 Let Oktyabrya st., 305040 Kursk, Russia ² Kursk Academy of State and Municipal Service, Department of Information and Technosphere Safety, 9, Stantsionnaya st., 305040 Kursk, Russia
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Issue	Volume 8, Year 2016, Number 3
Dates	Received 08 May 2016; published online 03 October 2016
Citation	L.I. Roslyakova, I.N. Roslyakov, A.G. Besedin, J. Nano- Electron. Phys. 8 No 3, 03010 (2016)
DOI	10.21272/jnep.8(3).03010
PACS Number(s)	77.84.Bw
Keywords	Nanostructure-based processes (2) , Carburization, Steel (3) , Carbide inclusions.
Annotation	Thermodynamic calculations of the free energy of the formation of cementite type nanoscale carbides in supersaturated austenite alloyed with chromium and manganese are presented. It is shown that when carburizing steel, chromium stabilizing cementite facilitates its separation, in the form of dispersed inclusions. Manganese stabilizes cementite much weaker than chromium, though facilitates the growth of carbide inclusions due to the formation of the intermediate ε-phase at a reduced carbon content.
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