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Oxidation Resistance of Cast Magnesium Alloys

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Abstract

The purpose of the present study was to examine the oxidation of Mg–Al alloys in the atmosphere of oxygen at various temperatures. The basic examination methods used were differential scanning calorimetry (DSC) and thermogravimetry (TG). The results show that the oxide layer can either protect the material against progressive oxidation or it can cause complete disintegration of material. The nature of the oxide layer formed depends on the external conditions, i.e. on the atmosphere, temperature, and type of alloy. A model of the Mg–Al alloy oxidation was calculated from the TG curves.

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Authors and Affiliations

  1. Department of Materials and Metallurgy, Faculty of Natural Sciences and Engineering, University of Ljubljana, Aškerčeva 12, 1000, Ljubljana, Slovenia

    Jožef Medved, Primož Mrvar & Maja Vončina

Authors
  1. Jožef Medved
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  2. Primož Mrvar
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  3. Maja Vončina
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Correspondence to Maja Vončina.

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Medved, J., Mrvar, P. & Vončina, M. Oxidation Resistance of Cast Magnesium Alloys. Oxid Met 71, 257–270 (2009). https://doi.org/10.1007/s11085-009-9141-6

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  • DOI: https://doi.org/10.1007/s11085-009-9141-6

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