THE EFFECT OF ADDING CALCINED ALUMINA ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF ALUMINUM FOAM

In the last decades, Aluminum foam has attracted many researchers and manufacturers due to its unique properties which find a lot of applications, especially in lightweight structure. The current work aims study effect adding calcined alumina melting aluminum on final mechanical microstructure produced foam. Calcium carbonate was used as foaming agent. reveals that calcination times/temperature have significant porosity. with increasing time from 30 min 90 density improved 2.27 1.27 g/cm3, consequently result increase samples porosity 15.9 52.7%. also, results compression test show variation can be alter energy absorption capacity samples. Tested achieved highest 128 MPa at min. Also, temperature 400 800°C, 2.18 1.09 18.94 52.79%. 325 800°C. is measured by ImageJ software, carried out quasi-static test. These improvements material applications needs high like automotive industry.