journal article·2022-06Open access

Surface oxidation study of molten Mg–Al alloys by oxide/metal/oxide sandwich method

Mohammad Mahdi Jalilvand, Hassan Saghafian, Mehdi Divandari, Mehdi Akbarifar

Journal of Magnesium and Alloys· Volume 10· Issue 6

Abstract

The dynamic oxidation of molten Mg–Al alloy was investigated via the oxide /metal/oxide (OMO) sandwich method. The characteristics of sandwiches were explored using optical microscopy, scanning electron microscopy, X-ray energy dispersive spectroscopy, and X-ray diffraction analyses. The results showed the formation of porous oxide films with varying thicknesses from 0.43 to 16.7 mm. Both the measurements and calculations confirmed the literature findings that the oxidation product consists mainly of MgO and MgAl2O4 compounds. The increase in thickness and amount of folds formed on the oxide films implies the significant effect of aluminum in reducing the oxidation resistance of magnesium.
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Research context

OpenAlex topics: Magnesium Alloys: Properties and Applications · High-Temperature Coating Behaviors · Magnesium Oxide Properties and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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