Study of Shrinkage Porosity in Spheroidal Graphite Cast Iron

Mostrar todas las versiones(2)

This study aims at identifying the relationship between the shrinkage cavities and the solidification structure in spheroidal graphite cast iron. Cast samples specially designed to contain shrinkage cavities were used. The solidification macrostructure was revealed by using the DAAS method while the...

Descripción completa

Detalles Bibliográficos
Autores principales: Tenaglia, Nicolás, Boeri, Roberto Enrique, Rivera, G., Massone, Juan Miguel
Formato: Other
Lenguaje:Inglés
Publicado: INTEMA - UNMdP-CONICET 2014
Materias:
Ductile Iron
Solidification Structure
Shrinkage Porosity
Acceso en línea:http://rinfi.fi.mdp.edu.ar/handle/123456789/24
Aporte de:
RINFI - Facultad de Ingeniería (UNMdP) de Universidad Nacional de Mar del Plata (UNMdP)
id I29-R182-123456789-24
record_format dspace
spelling I29-R182-123456789-242024-12-11T12:50:35Z Study of Shrinkage Porosity in Spheroidal Graphite Cast Iron Tenaglia, Nicolás Boeri, Roberto Enrique Rivera, G. Massone, Juan Miguel Ductile Iron Solidification Structure Shrinkage Porosity This study aims at identifying the relationship between the shrinkage cavities and the solidification structure in spheroidal graphite cast iron. Cast samples specially designed to contain shrinkage cavities were used. The solidification macrostructure was revealed by using the DAAS method while the solidification microstructure was revealed by using color etching. At the midsection of the pieces the shrinkage cavities and the solidification structure were observed jointly. Disperse porosity develops inside the solidifying austenite grains, in coincidence with the location of the last to freeze melt. The study showed that the classification of shrinkage porosity found in literature does not correspond to the ductile iron solidification model recognized by most of the scientific community. Early solidification models, and therefore shrinkage formation mechanisms, were proposed in instances when there was not a thorough knowledge of the morphology of the solid phases during solidification. At the present time, defects formation mechanisms can be described with higher accuracy. Therefore, an updated classification of shrinkage porosity for spheroidal graphite iron is proposed in this study. 2014-11-13 Other 10 Th International Symposium on the Science and Processing of Cast Iron. 2014. Argentina: Mar del Plata 10 to 13th of November. 978-987-45833-0-7 http://rinfi.fi.mdp.edu.ar/handle/123456789/24 en INTEMA - UNMdP-CONICET
institution Universidad Nacional de Mar del Plata (UNMdP)
institution_str I-29
repository_str R-182
collection RINFI - Facultad de Ingeniería (UNMdP)
language Inglés
topic Ductile Iron
Solidification Structure
Shrinkage Porosity
spellingShingle Ductile Iron
Solidification Structure
Shrinkage Porosity
Tenaglia, Nicolás
Boeri, Roberto Enrique
Rivera, G.
Massone, Juan Miguel
Study of Shrinkage Porosity in Spheroidal Graphite Cast Iron
topic_facet Ductile Iron
Solidification Structure
Shrinkage Porosity
description This study aims at identifying the relationship between the shrinkage cavities and the solidification structure in spheroidal graphite cast iron. Cast samples specially designed to contain shrinkage cavities were used. The solidification macrostructure was revealed by using the DAAS method while the solidification microstructure was revealed by using color etching. At the midsection of the pieces the shrinkage cavities and the solidification structure were observed jointly. Disperse porosity develops inside the solidifying austenite grains, in coincidence with the location of the last to freeze melt. The study showed that the classification of shrinkage porosity found in literature does not correspond to the ductile iron solidification model recognized by most of the scientific community. Early solidification models, and therefore shrinkage formation mechanisms, were proposed in instances when there was not a thorough knowledge of the morphology of the solid phases during solidification. At the present time, defects formation mechanisms can be described with higher accuracy. Therefore, an updated classification of shrinkage porosity for spheroidal graphite iron is proposed in this study.
format Other
author Tenaglia, Nicolás
Boeri, Roberto Enrique
Rivera, G.
Massone, Juan Miguel
author_facet Tenaglia, Nicolás
Boeri, Roberto Enrique
Rivera, G.
Massone, Juan Miguel
author_sort Tenaglia, Nicolás
title Study of Shrinkage Porosity in Spheroidal Graphite Cast Iron
title_short Study of Shrinkage Porosity in Spheroidal Graphite Cast Iron
title_full Study of Shrinkage Porosity in Spheroidal Graphite Cast Iron
title_fullStr Study of Shrinkage Porosity in Spheroidal Graphite Cast Iron
title_full_unstemmed Study of Shrinkage Porosity in Spheroidal Graphite Cast Iron
title_sort study of shrinkage porosity in spheroidal graphite cast iron
publisher INTEMA - UNMdP-CONICET
publishDate 2014
url http://rinfi.fi.mdp.edu.ar/handle/123456789/24
work_keys_str_mv AT tenaglianicolas studyofshrinkageporosityinspheroidalgraphitecastiron
AT boerirobertoenrique studyofshrinkageporosityinspheroidalgraphitecastiron
AT riverag studyofshrinkageporosityinspheroidalgraphitecastiron
AT massonejuanmiguel studyofshrinkageporosityinspheroidalgraphitecastiron
_version_ 1828899967031312384

Ejemplares similares