Determination of precipitation–time–temperature (PTT) diagrams for Nb, Ti or V micro-alloyed steels

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Título:	Determination of precipitation–time–temperature (PTT) diagrams for Nb, Ti or V micro-alloyed steels
Autor:	Medina, Sebastián F.
Palabras clave:	Micro-alloyed steels Diagrams for Nb, Ti or V Torsion tests Precipitation kinetics
Fecha de publicación:	1997
Editor:	Springer
Citación:	Journal of Materials Science 32 (6) : 1487-1492 (1997)
Resumen:	A method is described, developed in CENIM-CSIC, for studying the kinetics of strain induced precipitation in micro-alloyed steels. Using torsion tests, the statically recrystallized fraction has been determined for three Nb, V and Ti micro-alloyed steels at different temperatures and strains. When precipitation starts, the recrystallized fraction deviates from Avrami’s equation, making it possible to identify the moment at which precipitation starts (Ps) and finishes (Pf). In this way precipitation–time–temperature(PTT) curves can be drawn, showing the precipitation kinetics in graph form.
Versión del editor:	http://dx.doi.org/10.1023/A:1018562202876
URI:	http://hdl.handle.net/10261/46848
DOI:	10.1023/A:1018562202876
ISSN:	0022-2461
Aparece en las colecciones:	(CENIM) Artículos

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