Summary for nickel electroplating Discussion
Nickel electroplating is the focus keyphrase here, and the thread shows two levels of help: Mohammad Ramzan asked for complete information on bright nickel plating and rectifiers for mincer-machine production, and James Totter replied that both topics are broad enough to fill books, recommending the Metal Finishing Guidebook and the Electroplating Engineering Handbook. Later, Ahmed Ismail asked about the different bath types used in nickel electroplating, and RAID B provided a concise comparison table covering Watts nickel, nickel sulfamate, and semi-bright baths. The table lists typical bath compositions, operating temperatures, agitation, current density, anodes, pH ranges, and resulting mechanical properties such as tensile strength, elongation, hardness, and internal stress. Overall, the thread points readers toward handbook-level references for setup details and gives a practical snapshot of common nickel bath chemistries and their operating windows.
Q. We are manufacturers of mincer machines. We need complete information about the following things:
1- bright nickel plating
2- rectifier
Mohammad Ramzan
– Faisalabad, Punjab, Pakistan
2003
And without any further information, your needs are not going to be answered.
James Totter, CEF
– Tallahassee, Florida
2003
A. Hi, Mohammad.
Indeed, each of these subjects fill entire books as James implies. I would especially suggest the Metal Finishing Guidebook or the Electroplating Engineering Handbook ⇦ this on
eBay,
AbeBooks, or
Amazon [affil link]
. After you’ve had a quick look at one of these, if you have more specific questions, I’m sure James or I, or one of our other readers, will be able to help you address them! Good luck :-)
Regards,
Ted Mooney, P.E.
Striving to live Aloha
finishing.com – Pine Beach, New Jersey
Need quick confidential answers? $25
Need project assistance? $100/hr.
December 7, 2010
Q. State different types of baths in the process of nickel electroplating?
Ahmed Ismail
Ainshams University – Cairo, EGYPT
A.
Table 3 – Nickel electroplating solutions
| Electrolyte Composition1), g/L | Watts Nickel | Nickel Sulfamate | Semi-Bright Bath2 |
| Nickel sulphate, NiSO4.6H2O | 225 to 400 | 300 | |
| Nickel Sulfamate, Ni (SO3NH2)2 | 300 to 450 | ||
| Nickel Chloride, NiCl2.6H2O | 30 to 60 | 0 to 30 | 35 |
| Boric Acid, H3BO3 | 30 to 45 | 30 to 45 | 45 |
| Operating Conditions | |||
| Temperature, °C | 44 to 66 | 32 to 60 | 54 |
| Agitation | Air or mechanical | Air or mechanical | Air or mechanical |
| Cathode Current Density, A/dm2 | 3 to 11 | 0.5 to 30 | 3 to 10 |
| Anodes | Nickel | Nickel | Nickel |
| PH | 2 to 4.5 | 3.5 to 5.0 | 3.5 to 4.5 |
| Mechanical Properties | |||
| Tensile Strength, Mpa | 345 to 485 | 415 to 610 | – |
| Elongation, % | 10 to 30 | 5 to 30 | 8 to 20 |
| Vickers Hardness, 100 gram load | 130 to 200 | 170 to 230 | 300 to 400 |
| Internal Stress, Mpa | 125 to 185 (tensile) | 0 to 55 (tensile) | 35 to 150 (tensile) |
RAID B
– Turkey