Thermodynamics of Nitrogen in Molten Fe–Cr–Mn–C–N Alloys

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You, Zhimin; Ran, Mingze; Jiang, Zhouhua; Paek, Min-Kyu; Jung, In-Ho

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Verlag Stahleisen GmbH
Steel Research International
© 2022 Wiley-VCH GmbH.Thermodynamic behavior of N in the Fe–Cr–Mn–C–N liquid solution is modeled using the Modified Quasichemical Model with consideration of the short-range ordering. A set of new model parameters for the Fe–Cr–Mn–C–N liquid solution are determined based on a critical evaluation of the available experimental data. The solubility of N in the entire composition range of all binary, ternary, and multicomponent molten alloys within the Fe–Cr–Mn–C–N system is well optimized for various temperatures and N2 pressures. Besides, thermodynamic properties of N in Fe-based liquid solution affected by the alloying elements are calculated from the developed thermodynamic database. As an application of the database, the N solubility in different steel melts of various conditions is predicted for the process optimization.
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Materials Science and Engineering (재료공학부)Journal Papers (저널논문_재료공학부)
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