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Production of Open Cell Foams Out of Aluminium Chips

Metal foams are type of materials whose properties depend on the structure and size of porosity, so the main task of this research is to examine the effect of porosity and processing parameters of open cell aluminium foams on their properties. In order to achieve the task, experiments were carried out in which quantity and size of space holder material were taken as variables influencing the final quality of metal foams. Sintering was carried on for three of six samples. As a quality indicator compressive strength, energy absorption capability, density, microhardness and electrical conductivity were taken into consideration. Aluminium alloy chips were utilized as a based material for foam production. This way aluminium waste in the form of chips could be recycled without melting process.

metal foams ; open-cell foam ; aluminium waste recycling ; solid-state recycling

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