PVD Coating Advantages-good Adhesion Performance

PVD coating advantages-good adhesion performance

PVD coating advantages 1) good adhesion performance of ordinary vacuum coating, there is almost no connection between the workpiece surface and the coating of the transition layer, as if completely separate. When ion plating, ion high-speed bombardment of the workpiece, can penetrate the surface of the workpiece, forming a deep diffusion layer into the substrate, the interface diffusion depth of ion plating can reach four to five microns, tensile tests on the specimen after ion plating show that until it is about to break, the coating is still plastic extension with the substrate metal, no peeling or peeling phenomenon occurs, visible adhesion how firm, The film layer is uniform and dense.

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