Aluminium Alloy Samples | Ra (nm) | RMS (nm) |
Duplex nickel + Chromium (Hexavalent) electrodeposition onto Al 1050 | 0.066 | 0.071 |
Duplex nickel + Chromium (Hexavalent) electrodeposition onto Al 1050 + electroless nickel undercoat | 0.058 | 0.068 |
Duplex nickel + Chromium (Trivalent) electrodeposition onto Al 1050 | 0.093 | 0.120 |
Duplex nickel + Chromium (Trivalent) electrodeposition onto Al 1050 + electroless nickel undercoat | 0.059 | 0.061 |
Duplex nickel + Chromium (Hexavalent) electrodeposition onto Al 6061 | 0.034 | 0.043 |
Duplex nickel + Chromium (Hexavalent) electrodeposition onto Al 6061 + electroless nickel undercoat | 0.031 | 0.039 |
Duplex nickel + Chromium (Trivalent) electrodeposition onto Al 6061 | 0.033 | 0.041 |
Duplex nickel + Chromium (Trivalent) electrodeposition onto Al 6061 + electroless undercoat | 0.032 | 0.040 |