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Structure and properties of hypoeutectic Al-Si-Mg alloys modified with pure strontium

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Abstract

Pure metallic strontium has been used as a modifier for A356.0 alloys, and the relationship between microstructure and mechanical properties has been established. It is shown that mechanical properties depend on both the cooling rate and the amount of strontium in the melt. The effect of other elements (Fe, Mg) on the microstructure of strontium modified Al-Si-Mg hypoeutectic alloys has been studied. The mechanical properties are adversely affected through the formation of intermetallic compounds caused by the presence of these elements.

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Authors and Affiliations

  1. Department of Mining and Metallurgical Engineering, McGill University, 3450 University Street, H3A 2A7, Montreal, Quebec, Canada

    B. Closset (Research Associate) & J. E. Gruzleski (Chairman)

Authors
  1. B. Closset
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  2. J. E. Gruzleski
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Closset, B., Gruzleski, J.E. Structure and properties of hypoeutectic Al-Si-Mg alloys modified with pure strontium. Metall Trans A 13, 945–951 (1982). https://doi.org/10.1007/BF02643389

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  • DOI: https://doi.org/10.1007/BF02643389

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