Difference between Galvanizing and Nickel Plating for NdFeB Permanent Magnet Materials
NdFeB permanent magnet materials use different electroplating processes depending on the product's environmental requirements. The two common plating processes are galvanizing and nickel plating. For novices in magnetic material procurement, choosing the plating is a relatively tricky issue. The following will introduce the differences between these two plating processes by the NdFeB manufacturer customer service.
I. Definition Difference
Galvanizing refers to the surface treatment technology of coating a layer of zinc on the surface of metal, alloy, or other materials to achieve the function of beauty and rust prevention.
Nickel plating is a process of electroplating or chemical method to deposit a layer of nickel on metal or some non-metallic surfaces.
II. Difference in Polishing Appearance
Nickel polishing is better than zinc, and zinc has a brighter appearance. The appearance of galvanized items is silver-white, while the appearance of nickel-plated items is silver-yellowish. See the attached figure for the specific appearance difference.
III. Price Difference
Galvanizing is the cheapest, and nickel plating is slightly more expensive than galvanizing, and it also needs to distinguish between hanging plating and rolling plating. Hanging plating is more expensive, while rolling plating is cheaper.
IV. Performance Difference
The surface treatment of nickel also increases its heat resistance and electrical conductivity.
V. Corrosion Resistance Difference
The anti-rust effect of nickel plating is better than that of galvanizing. The RMB 1 coin in China is made of nickel-plated steel. Many products do not choose nickel plating but galvanizing because nickel plating is expensive. The antioxidation performance of the nickel plating is indeed better than that of zinc.
Whether to choose nickel plating or galvanizing for NdFeB permanent magnet materials depends on the product's environmental usage. The above is the difference between galvanizing and nickel plating for NdFeB permanent magnet materials. I hope it can be helpful to you.