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Effect of carbon equivalent on graphite formation in heavy-section ductile iron parts

Lacaze, Jacques and Armendariz, Susana and Larrañaga, Peio and Asenjo, Iker and Sertucha, Jon and Suarez, Ramon Effect of carbon equivalent on graphite formation in heavy-section ductile iron parts. (2010) Materials Science Forum, vol. 636-637 . pp. 523-530. ISSN 0255-5476

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Official URL: http://dx.doi.org/10.4028/www.scientific.net/MSF.636-637.523

Abstract

The influence of post-inoculation and of cerium and antimony additions on the solidification process and on the formation of chunky graphite in ductile iron heavy-section parts have been studied previously in the case of near-eutectic alloys. It appeared of interest to complement these works by analysing the effect of carbon equivalent on graphite degeneracy. In the present work, hypo-, hyper- and near-eutectic melts have been cast in large blocks and standard cups. Analysis of the corresponding cooling curves recorded during solidification as well as microstructure observations on these casts have been carried out. A clear effect of carbon equivalent as promoter of chunky graphite formation is observed. The results have been added to the set of data already available and various correlations are discussed.

Item Type:Article
Additional Information:Thanks to Trans Tech Publications editor. The definitive version is available at http://www.scientific.net/ The original PDF of the article can be found at Materials Science Forum website : http://www.scientific.net/MSF.636-637.523
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > IK4 - Azterlan - Centro de Investigación Metalúrgica (SPAIN)
French research institutions > Centre National de la Recherche Scientifique - CNRS
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Other partners > TS Fundiciones SA (SPAIN)
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
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