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Can Raman Spectroscopy be Applied for Investigating Graphite Growth in Nodular Cast Irons

Jday, Rawen and Marsan, Olivier and Bourdie, Jacques and Laffont-Dantras, Lydia and Bruneseaux, Fabien and Lacaze, Jacques Can Raman Spectroscopy be Applied for Investigating Graphite Growth in Nodular Cast Irons. (2015) Transactions of the Indian Institute of Metals, 68 (6). 1071-1074. ISSN 0972-2815

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Official URL: http://dx.doi.org/10.1007/s12666-015-0649-y

Abstract

Growth of graphite during solidification and high temperature solid-state transformation has been investigated in samples cut out from a thin wall casting solidified partly in the stable (iron–graphite) and partly in the metastable (iron–cementite) systems. To this end, Raman spectroscopy has been used to characterize graphite nodules in as-cast state and in samples which have been fully graphitized at various temperatures in the austenite field. The results show no significant difference between Raman spectra recorded from these samples, suggesting that graphite grows with the same mechanism during either solidification or high-temperature (so-called first stage) graphitization. Transmission electron microscopy investigation is underway for complementing and checking these results.

Item Type:Article
Additional Information:Thanks to Springer Verlag editor. The definitive version is available at http://link.springer.com/ The original PDF of the article can be found at http://link.springer.com/article/10.1007/s12666-015-0649-y
HAL Id:hal-01472711
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Other partners > Saint-Gobain (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Laboratory name:
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Deposited By: cirimat webmestre
Deposited On:21 Feb 2017 10:13

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