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http://dx.doi.org/10.5781/KWJS.2008.26.5.036

Deposition Behavior and Properties of Carbon Nanotube Aluminum Composite Coatings in Kinetic Spraying Process  

Kang, Ki-Cheol (Kinetic Spray Coating Laboratory (NRL), Division of Materials Science & Engineering, Hanyang University)
Xiong, Yuming (Kinetic Spray Coating Laboratory (NRL), Division of Materials Science & Engineering, Hanyang University)
Lee, Chang-Hee (Kinetic Spray Coating Laboratory (NRL), Division of Materials Science & Engineering, Hanyang University)
Publication Information
Journal of Welding and Joining / v.26, no.5, 2008 , pp. 36-42 More about this Journal
Abstract
Carbon nanotube (CNT) aluminum composite coatings were built up through kinetic spraying process. Deposition behavior of CNT aluminum composite on an aluminum 1050 alloy substrate was analyzed based on deposition mechanism of kinetic spraying. The microstructure of CNT aluminum composite coating were observed and analyzed. Also, the electrical resistivity, bond strength and micro-hardness of the CNT aluminum composite coatings were measured and compared to kinetic sprayed aluminum coatings. The CNT aluminum composite coatings have a dense structure with low porosity. Compared to kinetic sprayed aluminum coating, the CNT aluminum composite coatings present lower electrical resistivity and higher micro-hardness due to high electrical conductivity and dispersion hardening effects of CNTs.
Keywords
Carbon nanotube aluminum composite; Kinetic spraying; Deposition behavior; Electrical and mechanical properties;
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