Chapter 8

Defect Structure and Properties of Metal Matrix–Carbon Nanotube Composites

Abstract

Carbon nanotubes (CNTs) are promising disperse phase in metal matrix composites because of their high aspect ratio, elastic modulus and strength may yield to an increase of both Young's modulus and strength of the metallic ultrafine-grained matrix. In this chapter, the processing methods, the defect structure as well as the mechanical and electrical conductivity properties of metal matrix–CNT composites are overviewed. It is revealed that the high dispersity of CNTs and the strong interfacial bonding in the matrix are the most important criteria for processing composites with high strength and good ductility. The correlation between the flow stress and ...

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