HARD METALLIC MATERIALS, HARD METALLIC COATINGS, METHODS OF PROCESSING METALLIC MATERIALS AND METHODS OF PRODUCING METALLIC COATINGS

The invention relates to a method of protecting a surface, comprising: providing a surface; and applying an initially--formed layer of a material on the surface, the material comprising at least 55% Fe by weight and fewer than 10 additional elements, the fewer than 10 additional elements comprising...

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Bibliographische Detailangaben
1. Verfasser:	BRANAGAN, DANIEL J
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ALLOYS 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 FERROUS OR NON-FERROUS ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY PERFORMING OPERATIONS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The invention relates to a method of protecting a surface, comprising: providing a surface; and applying an initially--formed layer of a material on the surface, the material comprising at least 55% Fe by weight and fewer than 10 additional elements, the fewer than 10 additional elements comprising at least two of B, C and Si, the initially-formed layer comprising an initial hardness of at least about 9.2 GPa, having a tensile elongation of from about 0.5% to about 60%. L'invention a pour objet une méthode de protection d'une surface comprenant la fourniture d'une surface et l'application sur la surface d'une couche initialement formée d'un matériau, celui-ci étant composé à au moins 55 % en poids de Fe et de moins de 10 autres éléments, dont au moins deux éléments choisis parmi B, C et Si. La dureté initiale de la couche initialement formée est d'au moins 9,2 GPa environ et l'allongement en traction est de l'ordre d'environ 0,5 % à environ 60 %.