An overview of production methods of master alloy Al–Sr

Pentuykhin S.I., Popov D.A., Ogorodov D.V., Trapeznikov A.V.
UDC
621.791
DOI
10.18577/2307-6046-2016-0-5-2-2
Article PDF (Russian) (655.98 KB)
How to cite
Pentuykhin S.I., Popov D.A., Ogorodov D.V., Trapeznikov A.V. An overview of production methods of master alloy Al–Sr // Proceedings of VIAM. 2016. No. 5. DOI: 10.18577/2307-6046-2016-0-5-2-2. URL: https://test.viam.ru/en/journal/2016/5/2
Abstract

This article reviews and analyzes raw materials and production methods of aluminum strontium master alloy, such as the alloying of pure components, metallothermic recovery of strontium from its compounds, electrolytic recovery. Aluminum–strontium master alloy is intended for modifying the microstructure of hypoeutectic and eutectic cast aluminium alloys. To date, the most promising technique of inoculation is the introduction of strontium in the form of double or triple addition alloy. This alloy changes the leaf-shaped aluminum-silicon eutectic for grainy one, which significantly improves the mechanical properties of the casting. Research is executed within implementation of the complex scientific direction 8.4. «High-strength corrosion-resistant weldable magnesium and cast aluminum alloys for products of aerospace engineering of new generation» («The strategic directions of development of materials and technologies of their processing for the period till 2030»)

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