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What is Aluminum Scandium alloy?

What is Aluminum Scandium alloy?

Aluminum Scandium alloy is a kind of high-performance aluminum alloy. There are several ways to improve the performance of aluminum alloy. In the past 20 years, micro-alloying and toughening is the frontier of high-performance aluminum alloy research.

Aluminum Scandium alloy

Features

Adding a small amount of scandium to the aluminum alloy can promote grain refinement and increase the recrystallization temperature from 250 ° C to 280 ° C. Scandium is a strong grain refiner and an effective recrystallization inhibitor for aluminum alloys. It has a significant effect on the structure and properties of the alloy, and greatly improves the strength, hardness, weldability and corrosion resistance of the alloy.

Scandium has a good dispersion strengthening effect on aluminum, and it maintains a stable non-recrystallized structure in the state of hot working or annealing.

The inhibitory effect of scandium on recrystallization can eliminate the recrystallized structure of the heat affected zone of the weld. The subgrain structure of the matrix can directly transit to the as-cast microstructure of the weld, so that the welded joint of the scandium-containing aluminum alloy has high strength and corrosion performance.

The effect of scandium on the corrosion resistance of aluminum alloys is also due to the fact that scandium refines the grains and inhibits the recrystallization process. Adding scandium can also make the aluminum alloy have good superplasticity. After superplastic treatment of aluminum alloy with about 0.5% scandium, the elongation of the alloy can reach 1100%.

Application

The scandium-containing aluminum alloy has now become a compelling and most competitive high-performance aluminum alloy structural material after the aluminum lithium alloy. The application prospects of scandium aluminum alloy in high-tech and new technology sectors such as shipbuilding, aerospace industry, rocket missile and nuclear energy are very broad. By adding a small amount of scandium, it is expected that a series of new-generation high-performance aluminum alloy materials, such as ultra-high strength and high-toughness aluminum alloy, and high-strength corrosion-resistant aluminum alloy, can be developed on the basis of the existing aluminum alloy.

SAM Sputter Target is a sputtering target manufacturing company. We provide aluminum sputtering target and aluminum alloy material with high quality and at a competitive price. Please visit https://www.sputtertargets.net/ for more information.

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Stanford Advanced Materials (SAM) Corporation is a global supplier of various sputtering targets such as metals, alloys, oxides, ceramic materials.