Electrolytic Nickel Plating On Aluminum
Question: Can you suggest a process for plating electrolytic nickel on zincated aluminum?
Question:
Can you suggest a process for plating electrolytic nickel on zincated aluminum? P. R.
Answer:
There are a number of different procedures that can be used. One that does the job is as follows:
After zincating the aluminum, a nickel strike is applied using the following formulation:
|
Component |
Concentration |
|
Nickel sulfate (hexahydrate) |
100 g |
|
Ammonium chloride |
30 g |
|
Boric acid |
15 g |
|
Sodium sulfate |
100 g |
|
Wetting agent |
0.15 g |
|
Operating Conditions |
|
|
pH |
5.5 – 6.0 |
|
Temperature |
70 – 80F |
|
Current density |
1. 40 ASF for 20–40 sec |
The part is than rinsed and plated to the desired thickness in your standard nickel plating bath
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