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Non-Isothermal approach to isokinetic crystallization processes: application to the nanocrystallization of HITPERM alloys
dc.creator | Blázquez Gámez, Javier Sebastián | es |
dc.creator | Conde Amiano, Clara Francisca | es |
dc.creator | Conde Amiano, Alejandro | es |
dc.date.accessioned | 2016-12-07T11:40:47Z | |
dc.date.available | 2016-12-07T11:40:47Z | |
dc.date.issued | 2005 | |
dc.identifier.citation | Blázquez Gámez, J., Conde Amiano, C.F. y Conde Amiano, A. (2005). Non-Isothermal approach to isokinetic crystallization processes: application to the nanocrystallization of HITPERM alloys. Acta Materialia, 53 (8), 2305-2311. | |
dc.identifier.issn | 1359-6454 | es |
dc.identifier.uri | http://hdl.handle.net/11441/49819 | |
dc.description.abstract | A new approach is proposed for the study of crystallization processes under the hypothesis of isokinetic behavior. From a direct extension of the Avrami theory to non-isothermal regimes, an expression of the local Avrami exponent as a function of the crystalline volume fraction is obtained from a single DSC run performed at a constant heating rate and a raw estimation of the activation energy (a variation of the activation energy value between 3 and 5 eV produces a change on the Avrami exponent smaller than ± 0.1). This approximation was applied to the nanocrystallization process of a FeCoNbB(Cu) alloy series and the results found are in good agreement with previous isothermal analysis on the same alloys. The kinetics is characterized by an initial Avrami exponent close to unity, which decreases down to values below 0.5 as the crystalline volume fraction increases | es |
dc.format | application/pdf | es |
dc.language.iso | eng | es |
dc.publisher | Elsevier | es |
dc.relation.ispartof | Acta Materialia, 53 (8), 2305-2311. | |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | * |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.title | Non-Isothermal approach to isokinetic crystallization processes: application to the nanocrystallization of HITPERM alloys | es |
dc.type | info:eu-repo/semantics/article | es |
dcterms.identifier | https://ror.org/03yxnpp24 | |
dc.type.version | info:eu-repo/semantics/acceptedVersion | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Física de la Materia Condensada | es |
idus.format.extent | 24 p. | es |
idus.validador.nota | Versión post-print | es |
dc.journaltitle | Acta Materialia | es |
dc.publication.volumen | 53 | es |
dc.publication.issue | 8 | es |
dc.publication.initialPage | 2305 | es |
dc.publication.endPage | 2311 | es |
dc.identifier.idus | https://idus.us.es/xmlui/handle/11441/49819 |
Ficheros | Tamaño | Formato | Ver | Descripción |
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Non-Isothermal Approach.pdf | 1.033Mb | [PDF] | Ver/ | |