Tungsten disulfide/cobalt disulfide based composite coating and preparation method and application thereof
A tungsten disulfide and composite coating technology, applied in coatings, electrodes, electrolytic coatings, etc., to reduce friction coefficient and wear rate, excellent wear and corrosion resistance, and good economy.
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Embodiment 1
[0033] 1. Configure composite electroplating solution: dissolve cobalt sulfate, nickel sulfate, boric acid, sodium gluconate, n-octyltrimethylammonium bromide, and tungsten disulfide into deionized water to make a composite electroplating solution; among them, cobalt sulfate The concentration is 30g / L, the concentration of nickel sulfate is 30g / L, the concentration of boric acid is 20g / L, the concentration of sodium gluconate is 20g / L, and the concentration of n-octyltrimethylammonium bromide is 0.1g / L, The concentration of tungsten disulfide is 6g / L, and the pH value of the electroplating solution is adjusted to 2.5 with sodium hydroxide and dilute sulfuric acid.
[0034] 2. Take the anode as a cobalt sheet, and the cathode as a No. 45 steel substrate through degreasing-cleaning-acid activation, and the distance between the two electrodes is 3cm. The above-mentioned anode and cathode are immersed in the electroplating solution obtained in step S1, and the power is 50W. After ...
Embodiment 2
[0036] 1. Configure composite electroplating solution: dissolve cobalt sulfate, nickel sulfate, boric acid, sodium citrate, cetyltrimethylammonium bromide, and tungsten disulfide into deionized water to make a composite electroplating solution; among them, cobalt sulfate The concentration of nickel sulfate is 50g / L, the concentration of nickel sulfate is 50g / L, the concentration of boric acid is 40g / L, the concentration of sodium citrate is 40g / L, and the concentration of cetyltrimethylammonium bromide is 0.1g / L L, the concentration of tungsten disulfide is 8g / L, and the pH value of electroplating solution is adjusted to 3 with sodium hydroxide and dilute sulfuric acid.
[0037] 2. The anode is a nickel sheet, and the cathode is a brass substrate that has undergone degreasing-cleaning-acid activation. The distance between the two electrodes is 2cm. The above-mentioned anode and cathode are immersed in the electroplating solution obtained in step S1, and the power is 80W. Ultras...
Embodiment 3
[0040] 1. Configure a composite electroplating solution: dissolve cobalt sulfate, nickel chloride, boric acid, ammonium citrate, sodium lauryl sulfate, and tungsten disulfide into deionized water to make a composite electroplating solution; wherein the concentration of cobalt sulfate is 100g / L, the concentration of nickel chloride is 100g / L, the concentration of boric acid is 30g / L, the concentration of ammonium citrate is 30g / L, the concentration of sodium lauryl sulfate is 0.2g / L, the concentration of tungsten disulfide The concentration is 10g / L, and the pH value of the electroplating solution is adjusted to 4 with sodium hydroxide and dilute sulfuric acid.
[0041] 2. The anode is a nickel sheet, and the cathode is a No. 45 steel substrate that has undergone degreasing-cleaning-acid activation. The distance between the two electrodes is 4cm. The above-mentioned anode and cathode are immersed in the electroplating solution obtained in step S1. After ultrasonic vibration in ...
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