Carbide material for cutting devices and associated method of manufacture

There is provided a carbide material (34) comprising Tungsten Carbide of 60 to 85 weight%, Titanium Carbides of 10 to 25 weight% and preferably a metal matrix of 0.5 to 20 weight% comprising Fe and optionally at least one or both of the metals Co or Ni. There is also provided a device comprising a f...

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Bibliographische Detailangaben
Hauptverfasser:	Pavels Sevcenko, Choon Yen Kong, Andreas Chrysanthou
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING ALLOYS CHEMICAL SURFACE TREATMENT CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING 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 CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SOLDERING OR UNSOLDERING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	There is provided a carbide material (34) comprising Tungsten Carbide of 60 to 85 weight%, Titanium Carbides of 10 to 25 weight% and preferably a metal matrix of 0.5 to 20 weight% comprising Fe and optionally at least one or both of the metals Co or Ni. There is also provided a device comprising a ferrous substrate and such a carbide material and a method of manufacturing a device, the method comprising mixing powders comprising Carbon, Tungsten and a scavenger material such as Titanium, placing the mixed powders proximal a ferrous substrate (10), impinging an energy source (31) onto the powdered materials to create a melt pool (32) formed of the powders and the material of the substrate, and allowing the melt pool to solidify to form a carbide material (34) substantially free from Iron Tungsten carbides of (W, Fe)6 C and (W, Fe)12 C type.