Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
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CUBIC BORON NITRIDE SINTERED BODY AND METHOD FOR MANUFACTURING SAME
A cubic boron nitride sintered material includes: more than or equal to 40 volume% and less than or equal to 85 volume% of cubic boron nitride grains; and a binder phase, wherein the binder phase includes at least one selected from a group consisting of one or more first compounds and a solid solution originated from the first compounds, or includes at least one selected from a group consisting of the one or more first compounds and the solid solution originated from the first compounds and an aluminum compound, the one or more first compounds consisting of at least one element selected from a group consisting of titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, and tungsten, and at least one element selected from a group consisting of nitrogen, carbon, boron, and oxygen, the cubic boron nitride grains include, on number basis, more than or equal to 50% of cubic boron nitride grains each having an equivalent circle diameter of more than 0.5 µm, and includes, on number basis, less than or equal to 50% of cubic boron nitride grains each having an equivalent circle diameter of more than 2 µm, and when a mass of the cubic boron nitride grains is assumed as 100 mass%, a total content of lithium, magnesium, calcium, strontium, beryllium, and barium in the cubic boron nitride grains is less than 0.001 mass%.
CUBIC BORON NITRIDE SINTERED BODY AND METHOD FOR MANUFACTURING SAME
A cubic boron nitride sintered material includes: more than or equal to 40 volume% and less than or equal to 85 volume% of cubic boron nitride grains; and a binder phase, wherein the binder phase includes at least one selected from a group consisting of one or more first compounds and a solid solution originated from the first compounds, or includes at least one selected from a group consisting of the one or more first compounds and the solid solution originated from the first compounds and an aluminum compound, the one or more first compounds consisting of at least one element selected from a group consisting of titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, and tungsten, and at least one element selected from a group consisting of nitrogen, carbon, boron, and oxygen, the cubic boron nitride grains include, on number basis, more than or equal to 50% of cubic boron nitride grains each having an equivalent circle diameter of more than 0.5 µm, and includes, on number basis, less than or equal to 50% of cubic boron nitride grains each having an equivalent circle diameter of more than 2 µm, and when a mass of the cubic boron nitride grains is assumed as 100 mass%, a total content of lithium, magnesium, calcium, strontium, beryllium, and barium in the cubic boron nitride grains is less than 0.001 mass%.
CUBIC BORON NITRIDE SINTERED BODY AND METHOD FOR MANUFACTURING SAME
KUBISCHER BORNITRIDSINTERKÖRPER UND VERFAHREN ZUR HERSTELLUNG DESSELBEN
CORPS FRITTÉ DE NITRURE DE BORE CUBIQUE, ET PROCÉDÉ DE FABRICATION DE CELUI-CI
ABE MACHIKO (Autor:in) / KUKINO SATORU (Autor:in) / MATSUKAWA MICHIKO (Autor:in) / HIGASHI TAISUKE (Autor:in)
22.03.2023
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2022
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