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Role of spray processes on microstructural evolution, and physical and mechanical properties of multi-walled carbon nanotube reinforced cu composite coatings

Title
Role of spray processes on microstructural evolution, and physical and mechanical properties of multi-walled carbon nanotube reinforced cu composite coatings
Author
이창희
Keywords
MWCNT composite; Kinetic spray (or cold spray); Thermal spray; Electrical property; Mechanical propertiess
Issue Date
2015-11
Publisher
ELSEVIER SCIENCE BV
Citation
APPLIED SURFACE SCIENCE, v. 356, Page. 1039-1051
Abstract
Kinetic and thermal spray processes were used to fabricate the multi-walled carbon nanotube (MWCNT) reinforced Cu composite coatings with 0-1.0 wt% MWCNTs. The microstructures of the composite coatings were analyzed and electrical and mechanical properties such as the electrical resistivity, microhardness, wear rate, and friction coefficient were evaluated. Since the deposition and microstructural evolution mechanisms of kinetic and thermal spraying are entirely different, the characteristics of the spray processes dominated the microstructure and interface of the Cu matrix, MWCNT structure, and the nature of the interface between MWCNTs and the Cu matrix, which are correlated with the properties. In this study, the relationship among electrical and mechanical properties with (MWCNT) state and the microstructural factors of the MWCNT/Cu composite coatings were investigated via microstructural and physical metallurgical analyses. (C) 2015 Elsevier B.V. All rights reserved.
URI
http://www.sciencedirect.com/science/article/pii/S0169433215019716?via%3Dihubhttp://hdl.handle.net/20.500.11754/28541
ISSN
0169-4332; 1873-5584
DOI
10.1016/j.apsusc.2015.08.158
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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