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Título

Recrystallization-induced precipitation interaction in a medium carbon vanadium microalloyed steel

AutorQuispe, Alberto; Medina, Sebastián F.; Valles, P.
Palabras claveStatic recrystallization
Precipitation
RPTT diagrams
Fecha de publicación1997
EditorIron and Steel Institute of Japan
CitaciónISIJ International 37 (8) : 783-788 (1997)
ResumenUsing torsion tests, a study has been made of Recrystallization-Precipitation (R-P) interaction in a vanadium microalloyed steel for two strains (0.20 and 0.35). When strain induced precipitation starts, the recrystallized fraction deviates from Avrami's equation, giving rise to the formation of a plateau on the curves which represent the recrystallized fraction against time. This makes it possible to know the moment at which precipitation starts (Ps) and the moment at which it finishes (Pf). After the end of precipitation, recrystallization continues to progress in accordance with Avrami's law. Recrystallization-Precipitation-Time-Temperature (RPTT) diagrams have been drawn, superposing on them the lines corresponding to different recrystallized fractions. This makes it possible to represent in graph form the Recrystallization-Precipitation interaction and the determination of the static recrystallization critical temperature (SRCT). It is demonstrated that during the interval of time in which precipitation occurs (Pf - Ps), recrystallization does not advance. The work which has been carried out establishes new aspects in the phenomenon of R-P interaction.
URIhttp://hdl.handle.net/10261/46850
DOI10.2355/isijinternational.37.783
ISSN0915-1559
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