Thick hard coatings

Thick hard coatings

Cross section of a 130 micron thick layer of hard material on Al-Cr-Si-Ti-N-base
© Fraunhofer IWS Dresden
Cross section of a 130 micron thick layer of hard material on Al-Cr-Si-Ti-N-base
Edge in the coated test specimens produced by grinding
© Fraunhofer IWS Dresden
Edge in the coated test specimens produced by grinding

Hard coatings are generally deposited in thickness ranges up to about 10 microns. However, for specific applications or for a subsequent structuring, significantly thicker coatings are required, coatings which are difficult to manufacture.