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Effect of Cu, Mn and Sn on pearlite growth kinetics in as-cast ductile irons

Lacaze, Jacques and Sertucha, Jon Effect of Cu, Mn and Sn on pearlite growth kinetics in as-cast ductile irons. (2016) International Journal of Cast Metals Research, The, vol. 29 (n° 1-2). pp. 74-78. ISSN 1364-0461

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Official URL: http://dx.doi.org/10.1080/13640461.2016.1142238

Abstract

In a previously published work, pearlite growth in cast irons was investigated and it was claimed that growth kinetics of pearlite in nodular cast iron does not depend on alloying elements and that only the start temperature for the transformation is modified. Since then, the authors have investigated the effect of copper at low level of manganese and the combined effect of copper and tin at intermediate manganese contents. In the first case, thermal records confirmed that copper decreases the formation temperature for both ferrite and pearlite. In the second work, an optimised content for tin, manganese and copper was found so as to improve mechanical properties while keeping fully pearlitic structures. The thermal records obtained during this latter study are here used to estimate the pearlite growth kinetics and the effect of copper and tin on it. Tin has been shown to reduce pearlite undercooling (increase of start transformation temperature) and thus to favour the formation of this constituent.

Item Type:Article
Additional Information:Thanks to Taylor & Francis editor. The definitive version is available at http://www.tandfonline.com/ The original PDF of the article can be found at http://www.tandfonline.com/doi/full/10.1080/13640461.2016.1142238
HAL Id:hal-01478850
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 (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
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Deposited By: cirimat webmestre
Deposited On:28 Feb 2017 13:10

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