VORZUGSWEISE MIT BINDEMITTEL ANGEREICHERTE, ZEMENTIERTE CARBIDKOERPER UND VERFAHREN ZU IHRER HERSTELLUNG

Cemented carbides with a binder enriched surface are made by adding a metal, hydride, nitride or carbonitride of a Group IVB or VB transition metal (Ta, Nb, Ti, Hf, Zr, V) into the powder mixture prior to sintering. The binder enriched surface may be coated with a refractory oxide, nitride, boride a...

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Bibliographische Detailangaben
Hauptverfasser:	PAUL GRAB,GEORGE, JENO NEMETH,BELA
Format:	Patent
Sprache:	ger
Schlagworte:	ALLOYS CASTING 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 MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	Cemented carbides with a binder enriched surface are made by adding a metal, hydride, nitride or carbonitride of a Group IVB or VB transition metal (Ta, Nb, Ti, Hf, Zr, V) into the powder mixture prior to sintering. The binder enriched surface may be coated with a refractory oxide, nitride, boride and/or carbide.