PVD (Physical Vapor Deposition)

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PVD coating layers of a carbide insert

In the PVD process, the coating layer is spattered on the substrate and does not form a chemical bond with it. Therefore, the adhesion is lower, but the process induces compressive residual stress that improves the overall toughness of the carbide insert. PVD is good for creating thin coatings between 1 to 8 microns. PVD coated inserts need to operate at lower cutting speeds when compared with CVD, however, they are tougher, have a smoother surface (less friction), and can be applied also on sharper edges (small honing and ground inserts).

Learn more about Coatings of Carbide Inserts.

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