Production, characterization and analysis of mechanical properties of a newly developed novel aluminium-silicon alloy based metal matrix composites

摘要

In this paper, a novel in situ ceramic composite consisting of Al2O3-SiC-C has successfully been prepared from waste fly ash material obtained from thermal power plant. The ED AX and X-ray studies have confirmed nearly complete conversion of SiO2 to SiC by thermal reduction in a plasma reactor. Particle size ranging between 5 um-30um with different shape and aspect ratios are observed. Al-Si alloy based AMC are prepared with untreated and treated fly ash having 14.3% & 13.2% of volume respectively. Mechanical properties like hardness, impact energy, compression strength and tensile properties such as UTS, YS are more for AMC prepared with thermally treated fly ash in comparison to AMC prepared with untreated fly ash and Al-Si alloy.