Austenitic grain size evolution and continuous cooling transformation diagrams in vanadium and titanium microalloyed steels

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dc.contributor.authorPeñalba, F.
dc.contributor.authorGarcia De Andres, C.
dc.contributor.authorCarsi, M.
dc.contributor.authorZapirain, F.
dc.contributor.institutionCentros PRE-FUSION TECNALIA - (FORMER)
dc.date.accessioned2024-07-24T12:11:31Z
dc.date.available2024-07-24T12:11:31Z
dc.date.issued1996
dc.description.abstractThe evolution of the austenitic grain size in medium carbon steels microalloyed with vanadium and titanium was studied as a function of reheating temperature, heating rate, and titanium content. High resolution dilatometric techniques were used to determine the continuous cooling transformation (CCT) diagrams for two different austenitization temperatures. The microstructure and hardness were determined for different cooling rates. The results revealed a significant effect of titanium concentration on the austenitic grain growth control. The smallest grain size was found in the steel with a Ti concentration = 0.019 wt %. Low heating rates produced smaller grain sizes than high heating rates although an abnormal grain growth took place. In these steels, at temperatures above 1050°C the influence of the reheating temperature on their hardness for cooling rates around 2°C·s-1 was negligible. The higher reheating temperatures caused a slight increase in their hardenability. Finally, it was found that the greater the titanium content, the greater the hardness of these steels, but only when the titanium percentages were higher than 0.020 wt %.en
dc.description.statusPeer reviewed
dc.format.extent6
dc.identifier.citationPeñalba , F , Garcia De Andres , C , Carsi , M & Zapirain , F 1996 , ' Austenitic grain size evolution and continuous cooling transformation diagrams in vanadium and titanium microalloyed steels ' , Journal of Materials Science , vol. 31 , no. 14 , pp. 3847-3852 . https://doi.org/10.1007/BF00352801
dc.identifier.doi10.1007/BF00352801
dc.identifier.issn0022-2461
dc.identifier.urihttps://hdl.handle.net/11556/4193
dc.identifier.urlhttp://www.scopus.com/inward/record.url?scp=0030197029&partnerID=8YFLogxK
dc.language.isoeng
dc.relation.ispartofJournal of Materials Science
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subject.keywordsGeneral Materials Science
dc.subject.keywordsMechanics of Materials
dc.subject.keywordsMechanical Engineering
dc.titleAustenitic grain size evolution and continuous cooling transformation diagrams in vanadium and titanium microalloyed steelsen
dc.typejournal article
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