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Título: | Influence of V Precipitates on Acicular Ferrite Transformation. Part 1: The Role of Nitrogen |
Autor: | García Mateo, Carlos CSIC ORCID CVN ; Capdevila, Carlos CSIC ORCID ; García Caballero, Francisca CSIC ORCID ; García de Andrés, Carlos | Palabras clave: | Acicular ferrite Bainite V(C, N) Continuous cooling transformation diagrams |
Fecha de publicación: | sep-2008 | Editor: | Iron and Steel Institute of Japan | Citación: | ISIJ International 48(9): 1270-1275 (2008) | Resumen: | This paper (part 1 of a two part study) deals with the influence of N in its combination with V, as V(C, N) precipitates, on the decomposition of austenite into acicular ferrite. Likewise, the intragranular nucleation potency of V(C, N) precipitates is analyzed through the continuous cooling transformation diagrams (CCT) of two C–Mn–V steels with different contents of N under two different austenitising temperatures, i.e. different austenite grain sizes. The results clearly show that for austenite to decompose into acicular ferrite is necessary, first to have a representative fraction of V(C, N) precipitates within austenite, and second to decorate the austenite grain boundaries with proeutectoid ferrite so bainite can not form. Part 2 of the study concerns with the influence that those precipitates have on the kinetics of acicular ferrite formation during austenite isothermal decomposition. | Descripción: | 6 pages, 8 figures, 1 table.-- This is Part I of paper "Influence of V Precipitates on Acicular Ferrite Transformation", Part II available at: http://hdl.handle.net/10261/17758 Vanadium Award 2009-Council of the Institute of Materials, Minerals and Mining-UK for the most outstanding paper in the metallurgy and technology of vanadium and its alloys. Sponsored and selected by the Vanadium International Technical Committee (Vanitec). |
Versión del editor: | http://dx.doi.org/10.2355/isijinternational.48.1270 | URI: | http://hdl.handle.net/10261/17759 | DOI: | 10.2355/isijinternational.48.1270 | ISSN: | 0915-1559 | E-ISSN: | 1347-5460 |
Aparece en las colecciones: | (CENIM) Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
Influence_V_Precipitates_Part1.pdf | Full-text paper | 3,04 MB | Adobe PDF | Visualizar/Abrir |
Influence_V_Precipitates_Press_release.pdf | CSIC Press release (Spanish lang.) | 36,67 kB | Adobe PDF | Visualizar/Abrir |
VanadiumAward2009.pdf | MATERIALIA Research Group Press release | 203,18 kB | Adobe PDF | Visualizar/Abrir |
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