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Effect of mould inoculation on formation of chunky graphite in heavy section spheroidal graphite cast iron parts

Asenjo, Iker and Larrañaga, Peio and Sertucha, Jon and Suarez, Ramon and Gomez, J. -M. and Ferrer, Inaki and Lacaze, Jacques Effect of mould inoculation on formation of chunky graphite in heavy section spheroidal graphite cast iron parts. (2007) International Journal of Cast Metals Research, The, vol. 20 (n° 6). pp. 319-324. ISSN 1364-0461

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Official URL: http://dx.doi.org/10.1179/136404608X286138

Abstract

The manufacturing process of heavy section ductile iron castings is strongly influenced by the risk of graphite degeneration under slow cooling rates. Appearance of this kind of defect is commonly linked to significant reductions in the mechanical properties of large castings. Studies on the effect of inoculation on chunky graphite formation in heavy sections have led to contradictory results in the literature and this triggered the present work. New experimental data are presented on the effect of mould inoculation on chunky graphite appearance during solidification of nodular irons which clearly demonstrate that mould inoculation increases the risk of chunky graphite formation in heavy sections. This is in agreement with some previous works which are reviewed, and it is suggested that the contradiction with other results could relate to the fact that these latter works dealt with chill casting.

Item Type:Article
Additional Information:Thanks to Maney Publishing editor. The definitive version is available at http://www.ingentaconnect.com The original PDF of the article can be found at International Journal of Cast Metals Research website : http://www.ingentaconnect.com/content/maney/ijcmr
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > TS Fundiciones SA (SPAIN)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Other partners > IK4 - Azterlan - Centro de Investigación Metalúrgica (SPAIN)
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
French research institutions > Centre National de la Recherche Scientifique - CNRS
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Deposited By: Celine Cabaup

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