Method for the manufacture of deformation resistant oxidic protective layers

Method for the manufacturing of deformation-resistant oxide coatings on metallic workpieces, in which fissures are induced in the oxide layer formed on the surface of the workpiece as a result of severe deformations in the base material. The fissures are subsequently healed by filling the interstice...

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Bibliographische Detailangaben
Hauptverfasser:	STEMMLER, BRUNO, ZEILINGER, HANS, MUEHLRATZER, AUGUST
Format:	Patent
Sprache:	eng
Schlagworte:	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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	Method for the manufacturing of deformation-resistant oxide coatings on metallic workpieces, in which fissures are induced in the oxide layer formed on the surface of the workpiece as a result of severe deformations in the base material. The fissures are subsequently healed by filling the interstices with subsequently produced oxide resulting from a post-oxidation process. Repeating the process several times controls the natural stress condition of the surface layer such that the effective elastic deformation range is extended.