A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CUBIC BORON NITRIDE POLYCRYSTALLINE MATERIAL, CUTTING TOOL, ABRASION-RESISTANT TOOL, GRINDING TOOL, AND PRODUCTION METHOD OF CUBIC BORON NITRIDE POLYCRYSTALLINE MATERIAL
PROBLEM TO BE SOLVED: To provide a tough cubic boron nitride polycrystalline material having a small particle diameter.SOLUTION: The cubic boron nitride polycrystalline material comprises cubic boron nitride; and the cubic boron nitride has an average particle diameter of 150 nm or less and shows a crack initiation load of 25 N or more in a fracture strength test by using a diamond presser having a radius of 200 μm under a loading speed of 100 N/min.SELECTED DRAWING: None
【課題】小さい粒径で、かつ強靭な立方晶窒化ホウ素多結晶体を提供することを目的とする。【解決手段】立方晶窒化ホウ素多結晶体は、立方晶窒化ホウ素を含み、該立方晶窒化ホウ素は、１５０ｎｍ以下の平均粒径を有し、Ｒ２００μｍのダイヤモンド圧子を用いて１００Ｎ／ｍｉｎの速度で荷重をかけていく破壊強度試験において、亀裂発生荷重が２５Ｎ以上であるものである。【選択図】なし
CUBIC BORON NITRIDE POLYCRYSTALLINE MATERIAL, CUTTING TOOL, ABRASION-RESISTANT TOOL, GRINDING TOOL, AND PRODUCTION METHOD OF CUBIC BORON NITRIDE POLYCRYSTALLINE MATERIAL
PROBLEM TO BE SOLVED: To provide a tough cubic boron nitride polycrystalline material having a small particle diameter.SOLUTION: The cubic boron nitride polycrystalline material comprises cubic boron nitride; and the cubic boron nitride has an average particle diameter of 150 nm or less and shows a crack initiation load of 25 N or more in a fracture strength test by using a diamond presser having a radius of 200 μm under a loading speed of 100 N/min.SELECTED DRAWING: None
【課題】小さい粒径で、かつ強靭な立方晶窒化ホウ素多結晶体を提供することを目的とする。【解決手段】立方晶窒化ホウ素多結晶体は、立方晶窒化ホウ素を含み、該立方晶窒化ホウ素は、１５０ｎｍ以下の平均粒径を有し、Ｒ２００μｍのダイヤモンド圧子を用いて１００Ｎ／ｍｉｎの速度で荷重をかけていく破壊強度試験において、亀裂発生荷重が２５Ｎ以上であるものである。【選択図】なし
CUBIC BORON NITRIDE POLYCRYSTALLINE MATERIAL, CUTTING TOOL, ABRASION-RESISTANT TOOL, GRINDING TOOL, AND PRODUCTION METHOD OF CUBIC BORON NITRIDE POLYCRYSTALLINE MATERIAL
立方晶窒化ホウ素多結晶体、切削工具、耐摩工具、研削工具、および立方晶窒化ホウ素多結晶体の製造方法
ISHIDA TAKESHI (author) / ARIMOTO KEIKO (author) / YAMAMOTO KAZUKO (author) / SUMIYA HITOSHI (author)
2016-08-12
Patent
Electronic Resource
Japanese
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