Mechanical Plating

Published: | Updated: October 8, 2018

Definition - What does Mechanical Plating mean?

Mechanical plating refers to an industrial process that involves the application of a coating to a substrate material by cold welding small metal particles to it. It is a form of metal galvanization used to prevent corrosion and hydrogen embrittlement.

Corrosionpedia explains Mechanical Plating

Mechanical plating is a widely preferred form of plating compared to other methods because it can be used on much wider thickness ranges than electroplating. It is also a suitable form of plating that is modifiable for a range of solutions and/or top coats.

Mechanical plating consists of the following steps:

  1. Place components to be coated into a tumbling barrel containing glass beads, reagents or catalysts
  2. Activate and prepare the substrate surface as needed by housing it in the barrel for a corresponding amount of reaction time
  3. Add the coating to the barrel in metallic powder form
  4. Add lubricants as required

The mechanical plating process has many cost and quality advantages for an array of applications and part types.

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