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CUBIC CRYSTAL BORON NITRIDE SINTERED BODY
To provide a cubic crystal boron nitride sintered body which can extend tool life by having excellent abrasion resistance and defect resistance.SOLUTION: Provided is a cubic crystal boron nitride sintered body comprising cubic crystal boron nitride and a binder phase. The content ratio of the cubic crystal boron nitride relative to the gross volume of the sintered body is 85 volume% to 95 volume% and the content ratio of the binder phase relative to the gross volume of the sintered body is 5 volume% to 15 volume%. The binder phase includes Co3W3C, W2Co21B6, and an Al compound. When X-ray diffraction peak strength of a (111) plane of cubic crystal boron nitride is denoted by IA, X-ray diffraction peak strength of a (400)plane of Co3W3C by IB, X-ray diffraction peak strength of a (420)plane of W2Co21B6 by IC, and X-ray diffraction peak strength of a (001) plane of WC by ID, IB/IA is 0.02 to 0.15, IC/IA is 0.02 to 1.00, and IC≥ID.SELECTED DRAWING: None
【課題】優れた耐摩耗性及び耐欠損性を有することで、工具寿命を延長することができる立方晶窒化硼素焼結体を提供する。【解決手段】立方晶窒化硼素と結合相とを含み、立方晶窒化硼素の含有割合は、焼結体の総量に対して８５体積％以上９５体積％以下であり、結合相の含有割合は、焼結体の総量に対して５体積％以上１５体積％以下であり、結合相は、Ｃｏ３Ｗ３Ｃ、Ｗ２Ｃｏ２１Ｂ６、及びＡｌ化合物を含み、立方晶窒化硼素の（１１１）面のＸ線回折ピーク強度をＩＡ、Ｃｏ３Ｗ３Ｃの（４００）面のＸ線回折ピーク強度をＩＢ、Ｗ２Ｃｏ２１Ｂ６の（４２０）面のＸ線回折ピーク強度をＩＣ、ＷＣの（００１）面のＸ線回折ピーク強度をＩＤとしたとき、ＩＢ／ＩＡが０．０２以上０．１５以下であり、ＩＣ／ＩＡが０．０２以上１．００以下であり、ＩＣ≧ＩＤである、立方晶窒化硼素焼結体。【選択図】なし
CUBIC CRYSTAL BORON NITRIDE SINTERED BODY
To provide a cubic crystal boron nitride sintered body which can extend tool life by having excellent abrasion resistance and defect resistance.SOLUTION: Provided is a cubic crystal boron nitride sintered body comprising cubic crystal boron nitride and a binder phase. The content ratio of the cubic crystal boron nitride relative to the gross volume of the sintered body is 85 volume% to 95 volume% and the content ratio of the binder phase relative to the gross volume of the sintered body is 5 volume% to 15 volume%. The binder phase includes Co3W3C, W2Co21B6, and an Al compound. When X-ray diffraction peak strength of a (111) plane of cubic crystal boron nitride is denoted by IA, X-ray diffraction peak strength of a (400)plane of Co3W3C by IB, X-ray diffraction peak strength of a (420)plane of W2Co21B6 by IC, and X-ray diffraction peak strength of a (001) plane of WC by ID, IB/IA is 0.02 to 0.15, IC/IA is 0.02 to 1.00, and IC≥ID.SELECTED DRAWING: None
【課題】優れた耐摩耗性及び耐欠損性を有することで、工具寿命を延長することができる立方晶窒化硼素焼結体を提供する。【解決手段】立方晶窒化硼素と結合相とを含み、立方晶窒化硼素の含有割合は、焼結体の総量に対して８５体積％以上９５体積％以下であり、結合相の含有割合は、焼結体の総量に対して５体積％以上１５体積％以下であり、結合相は、Ｃｏ３Ｗ３Ｃ、Ｗ２Ｃｏ２１Ｂ６、及びＡｌ化合物を含み、立方晶窒化硼素の（１１１）面のＸ線回折ピーク強度をＩＡ、Ｃｏ３Ｗ３Ｃの（４００）面のＸ線回折ピーク強度をＩＢ、Ｗ２Ｃｏ２１Ｂ６の（４２０）面のＸ線回折ピーク強度をＩＣ、ＷＣの（００１）面のＸ線回折ピーク強度をＩＤとしたとき、ＩＢ／ＩＡが０．０２以上０．１５以下であり、ＩＣ／ＩＡが０．０２以上１．００以下であり、ＩＣ≧ＩＤである、立方晶窒化硼素焼結体。【選択図】なし
CUBIC CRYSTAL BORON NITRIDE SINTERED BODY
立方晶窒化硼素焼結体
KUDO TAKAHIDE (author)
2024-03-13
Patent
Electronic Resource
Japanese
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