Abstract
Metal matrix composites producer of a new generation of metal materials in which ceramic reinforcement has been added to the metal field, which has enhanced various properties such as special strength, wear resistance, corrosion resistance and elastic modulus. Aluminum composites reinforced with ceramic particles due to excellent mechanical, physical and tribological properties are among composites with extensive application. Among these, Al–SiC composites have been considered important in certain industries such as aerospace and automotive for their desirable properties such as strength, wear resistance, toughness, and suitable hardness. In this study, the effect of casting methods on the wearing properties of Al–SiC composites has been investigated. Also, the effect of applied shear force on the hardness and porosity of these composites has been thoroughly investigated. According to the results of the wear test, by increasing the applied current rate, wear resistance in the samples improved, the reason of which is the direct dependence of the wear strength of the samples on hardness, and the porosity in the composites.
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