Cubic boron nitride composite material, method of using it, method of making it and tool comprising it

A composite material and a method of using the composite material. The composite material consists of at least 65 volume percent cubic boron nitride (cBN) grains dispersed in a binder matrix, the binder matrix comprising a plurality of microstructures bonded to the cBN grains and a plurality of inte...

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Bibliographic Details
Main Authors Ozbayraktar, Mehmet Serdar, Can, Antionette, Motchelaho, Anne Myriam Megne
Format Patent
LanguageEnglish
Published 11.01.2022
Subjects
ALLOYS
ARTIFICIAL STONE
CASTING
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
FERROUS OR NON-FERROUS ALLOYS
LIME, MAGNESIA
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
REFRACTORIES
SLAG
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
TREATMENT OF NATURAL STONE
WORKING METALLIC POWDER
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Summary:A composite material and a method of using the composite material. The composite material consists of at least 65 volume percent cubic boron nitride (cBN) grains dispersed in a binder matrix, the binder matrix comprising a plurality of microstructures bonded to the cBN grains and a plurality of intermediate regions between the cBN grains; the microstructures comprising nitride or boron compound of a metal; and the intermediate regions including a silicide phase containing the metal chemically bonded with silicon; in which the content of the silicide phase is 2 to 6 weight percent of the composite material, and in which the cBN grains have a mean size of 0.2 to 20 μm.
Bibliography:Application Number: US201916672106