Al-Ni alloy electroplating method in low-temperature salt melting system
A low-temperature molten salt and system technology, applied in the field of electroplating, can solve problems such as difficult alloy plating, and achieve the effects of reducing the rate of defective products, improving ease of casting, and refining grains
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[0016] Example 1:
[0017] SmCl 3 +NiCl 2 +AlCl 3 +NaCl+KCl is the electrolyte system, AlCl 3 It is 150g, NaCl is 19g, KCl is 25g; with 1mm thick low-carbon steel sheet as cathode, 99% aluminum plate as anode, current density is 55mA·cm -2 , The plating temperature is controlled at 460K, the plating time is controlled at 20min, and the cell voltage is controlled at 2V. For the first plating, add 1.6g NiCl 2 , 0.18g SmCl 3 After dissolving for 10 minutes, insert the cathode and anode for electroplating. The electroplating time is 20 minutes. For the second plating, add NiCl 2 It is 0.3g, insert the cathode and anode for electroplating, and the electroplating time is 20min. For the third plating, add NiCl 2 0.3g, insert cathode and anode for electroplating, electroplating time is 20min. SmCl can be added during the period 3 , But the total amount cannot exceed 0.4% of the total weight.
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[0018] Example 2:
[0019] CeCl 3 +MnCl 2 +AlCl 3 +NaCl+KCl is the electrolyte system, AlCl 3 It is 150g, NaCl is 19g, KCl is 25g; with 1mm thick low-carbon steel sheet as cathode, 99% aluminum plate as anode, current density is 55mA·cm -2 , The plating temperature is controlled at 460K, the plating time is controlled at 20min, and the cell voltage is controlled at 2V. For the first plating, add 1.5g NiCl 2 , 0.6gCeCl 3 After dissolving for 10 minutes, insert the cathode and anode for electroplating. The electroplating time is 20 minutes. For the second plating, add NiCl 2 It is 0.3g, insert the cathode and anode for electroplating, and the electroplating time is 20min. For the third plating, add NiCl 2 0.3g, insert cathode and anode for electroplating, electroplating time is 20min. CeCl can be added during the period 3 , But the total amount cannot exceed 0.35% of the total weight.
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