Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/77494
COMPARTIR / EXPORTAR:
SHARE CORE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Título: | Study of the microstructure and strain induced precipitation during thermomechanical processing of low carbon microalloyed steels |
Autor: | Gómez, Manuel CSIC ORCID; Valles, P.; Medina, Sebastián F. CSIC ORCID | Palabras clave: | Acicular Ferrite Microalloyed Steel Precipitation Thermomechanical Processing (TMP) |
Fecha de publicación: | 2012 | Editor: | Trans Tech Publications | Citación: | Materials Science Forum 706-709 : 2118-2123 (2012) | Resumen: | A series of anisothermal multipass hot torsion tests were carried out to simulate hot rolling on three high-strength low-carbon steels with different amounts of Mn, Mo, Nb and Ti and designed for pipeline construction. Mean Flow Stress was graphically represented against the inverse of temperature to characterize the evolution of austenite microstructure during rolling. The effect of austenite strengthening obtained at the end of thermomechanical processing on the final microstructure obtained after cooling was studied. Higher levels of austenite strengthening before cooling promote a refinement of final microstructure but can also restrict the fraction of low-temperature transformation products such as acicular ferrite. This combined effect gives rise to a wide range of final microstructures and mechanical properties depending on the composition, processing schedule and cooling rates applied. On the other hand, the precipitation state obtained at diverse temperatures during and at the end of hot rolling schedule was evaluated by means of transmission electron microscopy (TEM) in two microalloyed steels. It was found that two families of precipitates with different morphology, composition and mean size can coexist in microalloyed steels. | Versión del editor: | http://dx.doi.org/10.4028/www.scientific.net/MSF.706-709.2118 | URI: | http://hdl.handle.net/10261/77494 | DOI: | 10.4028/www.scientific.net/MSF.706-709.2118 | ISSN: | 0255-5476 |
Aparece en las colecciones: | (CENIM) Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
41_Mat Sci Forum 706-709 _2012_ 2118-2123_MSF.706-709.pdf | 1,27 MB | Adobe PDF | Visualizar/Abrir |
CORE Recommender
Page view(s)
327
checked on 17-abr-2024
Download(s)
267
checked on 17-abr-2024
Google ScholarTM
Check
Altmetric
Altmetric
NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.