Method for plating zinc and nickel on neodymium-iron-boron material
A technology of electroplating zinc-nickel and neodymium-iron-boron, which is applied in the field of electroplating alloy technology, can solve problems such as poor corrosion resistance and reduced magnetic properties, and achieve the effects of improving corrosion resistance, reducing magnetic loss, and being easy to popularize and use
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[0019] The method for the zinc-nickel electroplating of a kind of neodymium-iron-boron material of the present invention, comprises the steps:
[0020] (1) Firstly, the NdFeB material is rolled and chamfered, using vibration rolling, and the processing time is 4 hours;
[0021] (2) Ultrasonic oil is used, and NdFeB is placed in the degreasing solution. The components of the degreasing solution are 3~5g / L sodium hydroxide, 40~60g / L sodium carbonate, 40~60g / L Sodium phosphate and 20~30g / L water glass;
[0022] (3) Then use a nitric acid solution with a volume fraction of 10% for derusting treatment, and the time is 15s~25s;
[0023] (4) Use a low-temperature example plugging agent, and immerse for 20 minutes at a temperature of 30 ° C to 40 ° C for sealing treatment;
[0024] (5) Then use sulfosalicylic acid solution to perform activation treatment at room temperature;
[0025] (6) Electroplating the NdFeB material treated by the above steps, the solution composition is 70g / L...
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