Enhancement of electro-thermal and mechanical properties for Cu-SWCNT coated 6061Al

Abstract

In this paper, copper based single-wall carbon nanotube (SWCNT) composite was deposited on 6061Al using electrodeposition process. Anodisation method was applied for surface preparation of 6061Al before deposition in order to get strong adherent coating. Ammonium bi-fluoride (NH 4 F•HF) was added to anodised solution for the formation of highly porous structure in 6061Al surface. A stable, well dispersed and colloidal solution was achieved by addition of cationic dispersing agent (CTAB) in the SWCNT mixed copper sulphate electrolytic bath. The microstructure and composition of Cu-SWCNT composite coated surface were inspected by SEM-EDS. The electrical, thermal conductivity and micro-hardness of the Cu-SWCNT composite coated, Cu coated and uncoated 6061Al were investigated. The results show that the electrical, thermal conductivity and micro-hardness were improved by 79, 78 and 39%, respectively, for Cu-SWCNT composited coated 6061Al compared to uncoated 6061Al.

Electro-thermal and mechanical property analysis of powder metallurgy processed, multi-stage ball milled aluminium-copper-multi walled carbon nanotube composite

“…Copper was used because it acted as a good binder, improving the formability, density [37] and thermo electrical conductivity [38] of the MMC. Instead of traditional single-stage ball milling, multistage ball milling was used to combine the advantage of flake powder metallurgy as well as to overcome the limitations of CNT clusters and damage to CNT structure.…”

Carbenoxolone as a Multifunctional Vehicle for Electrodeposition of Materials

“…EPD and other electrochemical strategies are widely applied to modify the surfaces of materials and to form coatings and thin films [1][2][3][4][5][6]. The EPD technique involves electrophoresis of charged particles and their deposition on the electrode surface [7][8][9][10].…”