HARD POWDER, METHOD FOR PRODUCING HARD POWDER AND SINTERED HARD ALLOY

This is to provide hard powder which contains much amount of a complex carbonitride solid solution, which can improve sinterability of a sintered hard alloy and give a uniform structure. The hard powder is powder containing 90 vol% or more of a complex carbonitride solid solution represented by (Ti...

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Bibliographische Detailangaben
Hauptverfasser:	TAKESAWA, DAISUKE, MATSUBARA, HIDEAKI, NOMURA, HIROSHI, TAMURA, KEITARO, KITAMURA, KOZO, MATSUMOTO, MINEAKI, TANIGUCHI, YASURO, HARA, HIROKI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS THEREOF CONCRETE FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INORGANIC CHEMISTRY LIME, MAGNESIA MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES METALLURGY NANOTECHNOLOGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS REFRACTORIES SLAG SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	This is to provide hard powder which contains much amount of a complex carbonitride solid solution, which can improve sinterability of a sintered hard alloy and give a uniform structure. The hard powder is powder containing 90 vol% or more of a complex carbonitride solid solution represented by (Ti 1-x ,M x )(C 1-y ,N y ) [wherein M represents at least one element selected from the group consisting of W, Mo, Nb, Zr and Ta, x represents an atomic ratio of M based on the sum ofTi and M, y represents an atomic ratio ofN based on the sum of C and N, x and y each satisfy 0.05‰¦x‰¦0.5 and 0.01‰¦y‰¦0.75.].