Process for producing a hard-material-coated component

Process for producing a hard-material-coated component

The invention relates to a process for producing a hard-material-coated component, comprising the following steps: application of a layer of hard material to the component in a PVD coating unit; and structural further processing of the outer surface of the layer of hard material, and to a component...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ERKENS GEORG, KUENZEL INGO, WENKE RAINER, ESSER STEFAN, FUSS HANS-GERD, LEYENDECKER ANTONIUS
Format: Patent
Sprache:eng
Schlagworte:
ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
CHEMICAL SURFACE TREATMENT
CHEMISTRY
COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
COATING MATERIAL WITH METALLIC MATERIAL
COATING METALLIC MATERIAL
DIFFUSION TREATMENT OF METALLIC MATERIAL
GRINDING
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
METALLURGY
PERFORMING OPERATIONS
POLISHING
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
TRANSPORTING
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Beschreibung
Zusammenfassung:The invention relates to a process for producing a hard-material-coated component, comprising the following steps: application of a layer of hard material to the component in a PVD coating unit; and structural further processing of the outer surface of the layer of hard material, and to a component produced using the process. Particularly in the case of thick coatings or coatings with a columnar structure, such processes have a problem producing a sufficiently smooth surface on the coating. The problem is solved by the fact that for the structural further processing, the surface of the layer is blasted in a blasting device in order to improve this surface, an inorganic blasting agent with a grain size in the range from 1 mum to 100 mum and a sharp-edged grain shape being used.