In this investigation, carbon nanotube (CNT) aluminum composite coatings are produced by kinetic spraying. Electrical and mechanical properties are evaluated and compared with those of cold-sprayed pure aluminum coatings. The CNT aluminum composite coatings exhibited higher conductivity and hardness than the pure aluminum, which is attributed to the high electrical conductivity and dispersion hardening effects of embedded CNTs in the aluminum matrix.

carbon nanotube-aluminum composite coating, cold gas dynamic spraying, electrical conductivity, kinetic spraying, microhardness
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Copyright © 2009 ASM International. All rights reserved.
2009
ASM International
Topics
Commercially pure aluminum Cold spray coating Electrical conductivity Microhardness Aluminum-matrix composites
Issue Section:
Properties, Characterization, and Testing
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