Interfaces In Metal-Matrix Composites

Abstract

Abstract Although metal-matrix composites are geometrically similar to non-metal-matrix composites, the components are sufficiently dissimilar that the two classes have different applications and problems. Metal-matrix composites are generally used at elevated temperatures, so system stability is an important consideration. Interfaces in these composites serve as the bonding surfaces and also as the site of component interaction. The component interactions may take any of several physical or chemical forms, depending on the specific composite under consideration. This paper deals with the nature of the constituents, kinds of interfaces, and the relation between interfacial considerations and composite utilization for both fabricated (solid- or liquid-matrix phase) and eutectic metal-matrix composites. The relation of metal- to nonmetal-matrix systems is emphasized throughout.