Abstract
In this study, at first Al-Al2O3 composite powders having different volume fractions of Al2O3 (0, 10, 20, 30 and 40 vol.%) were produced by low energy mechanical alloying, which were used as foam materials. Then, composite foams with 50, 60, and 70 percent of porosity were produced by space-holder technique. Spherical carbamide particles (1-1.4 mm) were used to achieve spherical porosities. In order to investigate the compressive behavior of foams, the compression test with strain rate of 10 S was performed on the foam samples. The results showed that the compressive properties depended on the volume fraction * پ تابتاکم لوئسم یکینورتکلا تس : m_mirzaee1355@yahoo.com
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