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
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
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.