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Chinese Script vs Plate-Like Precipitation of Beta-Al9Fe2Si2 Phase in an Al-6.5Si-1Fe Alloy

Ferdian, Deni and Josse, Claudie and Nguyen, Patrick and Gey, Nathalie and Ratel-Ramond, Nicolas and De Parseval, Philippe and Thebault, Yannick and Malard, Benoît and Lacaze, Jacques and Salvo, Luc Chinese Script vs Plate-Like Precipitation of Beta-Al9Fe2Si2 Phase in an Al-6.5Si-1Fe Alloy. (2015) Metallurgical and Materials Transactions A, 46 (7). 2814-2818. ISSN 1073-5623

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Official URL: http://dx.doi.org/10.1007/s11661-015-2917-1


The microstructure of a high-purity Al-6.5Si-1Fe(wt pct) alloy after solidification at various cooling rates was investigated. In most of the cases, the monoclinic beta-Al9Fe2Si2 phase was observed as long and thin lamellae. However, at a very slow cooling rate, Febearing precipitates with Chinese script morphology appeared together with lamellae. Further analysis showed all these Chinese script precipitates correspond also to the monoclinic beta phase. This finding stresses that differentiating second phases according to their shape may be misleading.

Item Type:Article
Additional Information:Thanks to Springer editor. The definitive version is available at https://rd.springer.com/ The original PDF of the article can be found at https://rd.springer.com/article/10.1007/s11661-015-2917-1?no-access=true
HAL Id:hal-01213184
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National d'Études Spatiales - CNES (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE)
French research institutions > Institut de Recherche pour le Développement - IRD (FRANCE)
Other partners > Université Grenoble Alpes - UGA (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Universitas Indonesia - UI (INDONESIA)
Other partners > Université de Lorraine (FRANCE)
Laboratory name:
European Space Agency
Deposited On:08 Jan 2018 09:33

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