OCInside.de published DIY Nickel Plating Guide
A quote from the article:
This is how to nickel plate. Nickel-plated surfaces are frequently encountered in everyday life. Furniture fittings, tools and even CPU coolers are often coated with a thin layer of nickel. It protects objects from corrosion and makes them resistant to environmental influences. In the computer area, high-performance CPU coolers are often nickel-plated, as bare copper would otherwise oxidize quickly. In the following nickel plating tutorial on OCinside.de we nickel plate a coldplate and test the nickel plated AIO with liquid metal!DIY Nickel Plating Guide