Abstract
One of the main goals of modern materials research is obtaining different microstructures and studying their influence on the mechanical properties of metals; aluminum alloys are particularly of interest due to their advanced performance. Traditionally, their required properties are obtained by alloying process, modification, or physical influence during solidification. The present work describes a saturation of the overheated AlSi7Fe1 casting alloy by oxides using oxygen blowing approach in overheated alloy. Changes in metals’ microstructural and mechanical properties are also described in the work. An Al10SiFe intermetallic complex compound was obtained as a preferable component to Al2O3 precipitation on it, and its morphology was investigated by scanning electron microscopy. The mechanical properties of the alloy after the oxygen blowing treatment are discussed in this work.
Highlights
From the mid-20th century, metals foundry has become increasingly attractive in light alloys fabrication—especially in Al casting alloys, as they are generally used in the automotive and aerospace industries
We propose an alternative approach of hydride-enriched compound
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Summary
From the mid-20th century, metals foundry has become increasingly attractive in light alloys fabrication—especially in Al casting alloys, as they are generally used in the automotive and aerospace industries. These alloys show advanced properties, such as low thermal and electrical resistivity, in addition to a relatively low density [1]. Some works deal with the blowing treatment of oxygen-containing gases into Al alloys [13,14] In these works, authors showed collapse of the oxygen bubbles, which leads to melt enrichment by the oxide skins and an increase of the alloys’ viscosity
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