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Siberian Federal University invents low-cost high-strength aluminium-magnesium alloy

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Siberian Federal University invents low-cost high-strength aluminium-magnesium alloy


04.12.2018

Photo: ITAR Tass, Pavel Smertin

A team of materials scientists at Siberian Federal University (SFU), in cooperation with Rusal, have invented a low-cost high-strength aluminium-magnesium alloy that includes scandium and zirconium, RIA Novosti reports. 

This alloy is unique  because it requires a record low percentage of scandium, light silvery metal. Even a small amount of scandium in aluminium alloys substantially enhances strength and makes it more resistant to corrosion. As the SFU representative advised, scandium-content alloys reduce weight and metal density in steel structures, while significantly improving mechanical properties. They are easy to weld and serve as a perfect material in aircraft construction, shipbuilding, auto design, railway vehicle engineering and in the construction industry. 

The minimum service life of aluminium structures is 80 years. Moreover, aluminium is suitable for any climate as it does not lose its properties within a temperature range of between minus 80° C and plus 300° C. Aluminum structures are both fire- and freeze-resistant.

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