Method for electrodepositing nanocrystalline nickel-cobalt alloy by double-pulse
A nickel-cobalt alloy, electrodeposition technology, applied in nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve problems such as research on the influence of nickel-cobalt alloy coatings, and achieve good flatness and bright surface. , reduce the effect of concentration polarization
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Embodiment 1
[0057] 1) The soluble nickel plate with a purity greater than 99.99% is used as an anode plate after the following treatment: firstly use coarse sandpaper for preliminary grinding to remove the surface oxide layer, stains, etc., then wash it with distilled water, and after degreasing, use it as an anode plate. Rinse with distilled water, then clean the surface with absolute ethanol, and dry it with a hair dryer for later use;
[0058] 2) The iron sheet is used as a cathode plate after the following treatment. After the iron sheet is polished and polished with 600#, 1000#, 1200#, 2000# metallographic sandpaper, it is cleaned by chemical degreasing, and then passed through Strong acid descaling, neutralization, weak etching I, pre-nickel plating, weak etching II, bright sulfate copper plating, weak etching III, the process conditions of each surface treatment step are as follows:
[0059] 1. Chemical degreasing
[0060] basic component
Concentration or Process Con...
Embodiment 2
[0095] 1) The soluble nickel plate with a purity greater than 99.99% is used as an anode plate after being processed by the method of step 1) in Example 1;
[0096] 2) iron sheet is used as cathode plate after adopting the method for step 1) in the embodiment 1 to be processed;
[0097] 3) prepare plating solution, each component and content thereof are as follows in the described plating solution:
[0098]
[0099]
[0100] 4) Inject the plating solution prepared in step 3) into the electrodeposition tank, use the soluble nickel plate after the surface treatment in the above step 1) and the iron sheet after the surface treatment in step 2) as the anode and the cathode respectively, and adopt a double pulse electrodeposition process Synthetic nanocrystalline nickel-cobalt coating, the parameters of the double-pulse electrodeposition process are:
[0101]
[0102] The nanocrystalline nickel-cobalt coating synthesized by the double-pulse electrodeposition process has bee...
Embodiment 3
[0104] 1) The soluble nickel plate with a purity greater than 99.99% is used as an anode plate after being processed by the method of step 1) in Example 1;
[0105] 2) the iron sheet is used as the cathode plate after the method of step 1) in the embodiment 1 is processed;
[0106] 3) prepare plating solution, each component and content thereof are as follows in the described plating solution:
[0107]
[0108]
[0109] 4) Inject the plating solution prepared in step 3) into the electrodeposition tank, use the soluble nickel plate after the surface treatment in the above step 1) and the iron sheet after the surface treatment in step 2) as the anode and the cathode respectively, and adopt a double pulse electrodeposition process Synthetic nanocrystalline nickel-cobalt coating, the parameters of the double-pulse electrodeposition process are:
[0110]
[0111] The nanocrystalline nickel-cobalt coating synthesized by the double-pulse electrodeposition process has been t...
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Abstract
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