A kind of zinc-nickel, nickel-tungsten electroplating solution and its preparation method and electroplating method
A technology of electroplating solution and nickel-tungsten, which is applied in the field of zinc-nickel, nickel-tungsten electroplating solution and its preparation, can solve the problems of large coating stress, accelerated substrate steel corrosion, poor bonding force and fatigue resistance, etc., and achieves simple preparation method, prevents Chemical corrosion, excellent bonding effect
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Embodiment 1
[0032] Take the preparation of 1 liter of zinc-nickel and nickel-tungsten electroplating solution as an example, add 400 ml of deionized water to the first container with a volume of 1 liter, add 50 grams of sodium hydroxide and stir until dissolved, add 8 grams of zinc powder and stir until dissolved , add 5 grams of sodium tungstate and stir until dissolved; add 300 ml of deionized water to the second container, add 15 grams of sodium citrate and 10 grams of polyphosphoric acid and stir until dissolved, then add 15 grams of nickel sulfate, stir until dissolved, Add the solution in the second container to the first container, stir while adding, after adding all of it, add the pyridine propoxy thiobetaine and sodium propenyl sulfonate with a concentration ratio of 1:2 in the first container Add 0.5 g of the mixture, add 0.1 g of sodium selenate, fill the liquid level up to the 1 liter scale with deionized water, stir evenly, and then complete the preparation of the electroplati...
Embodiment 2
[0035] Take the preparation of 1 liter of zinc-nickel and nickel-tungsten electroplating solution as an example, add 400 ml of deionized water into the first container with a volume of 1 liter, add 55 grams of sodium hydroxide and stir until dissolved, add 9 grams of zinc powder and stir until dissolved , add 8 grams of sodium tungstate and stir until dissolved; add 300 ml of deionized water to the second container, add 20 grams of sodium citrate and 12 grams of polyphosphoric acid and stir until dissolved, then add 20 grams of nickel sulfate, stir until dissolved, Add the solution in the second container to the first container, stir while adding, after adding all of it, add the concentration ratio of pyridine propoxy thiobetaine and sodium propenyl sulfonate in the first container with a concentration ratio of 1:1.5 0.6 g of the mixture was added with 0.2 g of sodium selenate, and the liquid level was filled to the 1 liter scale with deionized water, and stirred evenly to comp...
Embodiment 3
[0038] Take the preparation of 1 liter of zinc-nickel and nickel-tungsten electroplating solution as an example, add 400 ml of deionized water into the first container with a volume of 1 liter, add 65 grams of sodium hydroxide and stir until dissolved, add 10 grams of zinc powder and stir until dissolved , add 10 grams of sodium tungstate and stir until dissolved; add 300 ml of deionized water to the second container, add 25 grams of sodium citrate and 15 grams of polyphosphoric acid and stir until dissolved, then add 30 grams of nickel sulfate, stir until dissolved, Add the solution in the second container to the first container, stir while adding, after adding all of it, add the concentration ratio of pyridine propoxy thiobetaine and sodium propenyl sulfonate in the first container with a concentration ratio of 1:2.4 1 g of the mixture was added with 0.3 g of sodium selenate, and the liquid level was filled to the mark of 1 liter with deionized water, and stirred evenly to co...
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