Nucleation and growth of graphite in eutectic spheroidal cast iron: Modeling and testing

Autores
Carazo, Fernando Diego; Dardati, Patricia Mónica; Celentano, Diego Javier; Godoy, Luis Augusto
Año de publicación
2016
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
A new model of graphite growth during the continuous cooling of eutectic spheroidal cast iron is presented in this paper. The model considers the nucleation and growth of graphite from pouring to room temperature. The microstructural model of solidification accounts for the eutectic as divorced and graphite growth rate as a function of carbon gradient at the liquid in contact with the graphite. In the solid state, the microstructural model takes into account three stages for graphite growth, namely: (i) from the end of solidification to the upper bound of stable eutectoid intercritical; (ii) during the stable eutectoid intercritical, and (iii) from the lower bound of stable eutectoid intercritical to room temperature. The micro and macrostructural models are coupled using a sequential multiscale approach. Numerical results for graphite fraction and size distribution are compared with experimental results obtained from a cylindrical cup, in which the graphite volumetric fraction and size distribution were obtained using the Schwarz-Saltykov approach. The agreements between the experimental and numerical results for the fraction of graphite and the size distribution of spheroids reveals the importance of numerical models in the prediction of the main aspects of graphite in spheroidal cast iron.
Fil: Carazo, Fernando Diego. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Mecanica Aplicada; Argentina
Fil: Dardati, Patricia Mónica. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación en Informática para la Ingeniería; Argentina
Fil: Celentano, Diego Javier. Pontificia Universidad Catolica de Chile. Escuela de Ingeniería. Departamento de Ingeniería Mecanica y Metalurgica; Chile
Fil: Godoy, Luis Augusto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina. Universidad Nacional de Córdoba; Argentina
Materia
Graphite
Spheroidal Cast Iron
Thermo-Metallurgical
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/45521
Acceder
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network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Nucleation and growth of graphite in eutectic spheroidal cast iron: Modeling and testingCarazo, Fernando DiegoDardati, Patricia MónicaCelentano, Diego JavierGodoy, Luis AugustoGraphiteSpheroidal Cast IronThermo-Metallurgicalhttps://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2A new model of graphite growth during the continuous cooling of eutectic spheroidal cast iron is presented in this paper. The model considers the nucleation and growth of graphite from pouring to room temperature. The microstructural model of solidification accounts for the eutectic as divorced and graphite growth rate as a function of carbon gradient at the liquid in contact with the graphite. In the solid state, the microstructural model takes into account three stages for graphite growth, namely: (i) from the end of solidification to the upper bound of stable eutectoid intercritical; (ii) during the stable eutectoid intercritical, and (iii) from the lower bound of stable eutectoid intercritical to room temperature. The micro and macrostructural models are coupled using a sequential multiscale approach. Numerical results for graphite fraction and size distribution are compared with experimental results obtained from a cylindrical cup, in which the graphite volumetric fraction and size distribution were obtained using the Schwarz-Saltykov approach. The agreements between the experimental and numerical results for the fraction of graphite and the size distribution of spheroids reveals the importance of numerical models in the prediction of the main aspects of graphite in spheroidal cast iron.Fil: Carazo, Fernando Diego. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Mecanica Aplicada; ArgentinaFil: Dardati, Patricia Mónica. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación en Informática para la Ingeniería; ArgentinaFil: Celentano, Diego Javier. Pontificia Universidad Catolica de Chile. Escuela de Ingeniería. Departamento de Ingeniería Mecanica y Metalurgica; ChileFil: Godoy, Luis Augusto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina. Universidad Nacional de Córdoba; ArgentinaSpringer2016-04-22info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/45521Carazo, Fernando Diego; Dardati, Patricia Mónica; Celentano, Diego Javier; Godoy, Luis Augusto; Nucleation and growth of graphite in eutectic spheroidal cast iron: Modeling and testing; Springer; Metallurgical and Materials Transactions A-physical Metallurgy and Materials Science; 47; 6; 22-4-2016; 2625-26411073-56231543-1940CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1007/s11661-016-3430-xinfo:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007%2Fs11661-016-3430-xinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:48:40Zoai:ri.conicet.gov.ar:11336/45521instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 14:48:40.409CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Nucleation and growth of graphite in eutectic spheroidal cast iron: Modeling and testing
title Nucleation and growth of graphite in eutectic spheroidal cast iron: Modeling and testing
spellingShingle Nucleation and growth of graphite in eutectic spheroidal cast iron: Modeling and testing
Carazo, Fernando Diego
Graphite
Spheroidal Cast Iron
Thermo-Metallurgical
title_short Nucleation and growth of graphite in eutectic spheroidal cast iron: Modeling and testing
title_full Nucleation and growth of graphite in eutectic spheroidal cast iron: Modeling and testing
title_fullStr Nucleation and growth of graphite in eutectic spheroidal cast iron: Modeling and testing
title_full_unstemmed Nucleation and growth of graphite in eutectic spheroidal cast iron: Modeling and testing
title_sort Nucleation and growth of graphite in eutectic spheroidal cast iron: Modeling and testing
dc.creator.none.fl_str_mv Carazo, Fernando Diego
Dardati, Patricia Mónica
Celentano, Diego Javier
Godoy, Luis Augusto
author Carazo, Fernando Diego
author_facet Carazo, Fernando Diego
Dardati, Patricia Mónica
Celentano, Diego Javier
Godoy, Luis Augusto
author_role author
author2 Dardati, Patricia Mónica
Celentano, Diego Javier
Godoy, Luis Augusto
author2_role author
author
author
dc.subject.none.fl_str_mv Graphite
Spheroidal Cast Iron
Thermo-Metallurgical
topic Graphite
Spheroidal Cast Iron
Thermo-Metallurgical
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.5
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv A new model of graphite growth during the continuous cooling of eutectic spheroidal cast iron is presented in this paper. The model considers the nucleation and growth of graphite from pouring to room temperature. The microstructural model of solidification accounts for the eutectic as divorced and graphite growth rate as a function of carbon gradient at the liquid in contact with the graphite. In the solid state, the microstructural model takes into account three stages for graphite growth, namely: (i) from the end of solidification to the upper bound of stable eutectoid intercritical; (ii) during the stable eutectoid intercritical, and (iii) from the lower bound of stable eutectoid intercritical to room temperature. The micro and macrostructural models are coupled using a sequential multiscale approach. Numerical results for graphite fraction and size distribution are compared with experimental results obtained from a cylindrical cup, in which the graphite volumetric fraction and size distribution were obtained using the Schwarz-Saltykov approach. The agreements between the experimental and numerical results for the fraction of graphite and the size distribution of spheroids reveals the importance of numerical models in the prediction of the main aspects of graphite in spheroidal cast iron.
Fil: Carazo, Fernando Diego. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Mecanica Aplicada; Argentina
Fil: Dardati, Patricia Mónica. Universidad Tecnológica Nacional. Facultad Regional Córdoba. Centro de Investigación en Informática para la Ingeniería; Argentina
Fil: Celentano, Diego Javier. Pontificia Universidad Catolica de Chile. Escuela de Ingeniería. Departamento de Ingeniería Mecanica y Metalurgica; Chile
Fil: Godoy, Luis Augusto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina. Universidad Nacional de Córdoba; Argentina
description A new model of graphite growth during the continuous cooling of eutectic spheroidal cast iron is presented in this paper. The model considers the nucleation and growth of graphite from pouring to room temperature. The microstructural model of solidification accounts for the eutectic as divorced and graphite growth rate as a function of carbon gradient at the liquid in contact with the graphite. In the solid state, the microstructural model takes into account three stages for graphite growth, namely: (i) from the end of solidification to the upper bound of stable eutectoid intercritical; (ii) during the stable eutectoid intercritical, and (iii) from the lower bound of stable eutectoid intercritical to room temperature. The micro and macrostructural models are coupled using a sequential multiscale approach. Numerical results for graphite fraction and size distribution are compared with experimental results obtained from a cylindrical cup, in which the graphite volumetric fraction and size distribution were obtained using the Schwarz-Saltykov approach. The agreements between the experimental and numerical results for the fraction of graphite and the size distribution of spheroids reveals the importance of numerical models in the prediction of the main aspects of graphite in spheroidal cast iron.
publishDate 2016
dc.date.none.fl_str_mv 2016-04-22
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/45521
Carazo, Fernando Diego; Dardati, Patricia Mónica; Celentano, Diego Javier; Godoy, Luis Augusto; Nucleation and growth of graphite in eutectic spheroidal cast iron: Modeling and testing; Springer; Metallurgical and Materials Transactions A-physical Metallurgy and Materials Science; 47; 6; 22-4-2016; 2625-2641
1073-5623
1543-1940
CONICET Digital
CONICET
url http://hdl.handle.net/11336/45521
identifier_str_mv Carazo, Fernando Diego; Dardati, Patricia Mónica; Celentano, Diego Javier; Godoy, Luis Augusto; Nucleation and growth of graphite in eutectic spheroidal cast iron: Modeling and testing; Springer; Metallurgical and Materials Transactions A-physical Metallurgy and Materials Science; 47; 6; 22-4-2016; 2625-2641
1073-5623
1543-1940
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1007/s11661-016-3430-x
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007%2Fs11661-016-3430-x
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.22299

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