Abstract
A357 and 6082 aluminum alloys strengthened by aluminum nitride nanoparticles were obtained. The process of crystallization of the A357-0.5 wt% Al2O3and 6082-0.5 wt% Al2O3alloys was studied under conditions of varying the cooling rate. The A357 and 6082 aluminum alloy structure and hardness were analyzed for the Al2O3content from 0 to 1 wt%.
Highlights
Aluminum and its alloys are widely used in modern industries [1, 2] such as machine building, aerospace, shipbuilding, chemical, electrical engineering, etc
The development of nano- and microtechnologies for producing various powder materials [6,7,8] allows one to apply them in non-ferrous metallurgy and create metal matrix nanocomposites (MMNC) and metal matrix composites (MMC) based on traditional aluminum alloys
The 6082 and A357aluminum alloys were melted in a graphite crucible in air with the total volume of each melt of 500 g
Summary
Aluminum and its alloys are widely used in modern industries [1, 2] such as machine building, aerospace, shipbuilding, chemical, electrical engineering, etc. The development of nano- and microtechnologies for producing various powder materials [6,7,8] allows one to apply them in non-ferrous metallurgy and create metal matrix nanocomposites (MMNC) and metal matrix composites (MMC) based on traditional aluminum alloys. In this case, composite material properties will be determined by the type and amount of the particles introduced. Casting is the most universal way among the listed ones, because it has the following advantages: high productivity, simple equipment, its ability to fabricate large-volume and large-weight billets, its ability to produce complex geometric shapes, low cost of castings, etc
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