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A platform for research: civil engineering, architecture and urbanism
CUBIC BORON NITRIDE SINTERED BODY AND COVERED CUBIC BORON NITRIDE SINTERED BODY
To provide a cubic boron nitride sintered body capable of extending a tool life, by having excellent wear resistance and defect resistance.SOLUTION: Provided is a cubic boron nitride sintered body containing cubic boron nitride and a binder phase, in which a content of cubic boron nitride is 40 vol.% or more and 80 vol.% or less, and a content of the binder phase is 20 vol.% or more and 60 vol.% or less, an average grain size of the cubic boron nitride is 0.5 μm or more and 4.0 μm or less, the binder phase contains TiC and TiB2, and substantially contains no AlN and/or no Al2O3, a maximum peak position (2θ) in the X-ray diffraction of the (101) plane of TiB2 in the binder phase is 44.2° or more, and the maximum peak position (2θ) in the X-ray diffraction of the (200) plane of TiC in the binder phase is less than 42.1°.SELECTED DRAWING: None
【課題】本発明は、優れた耐摩耗性及び耐欠損性を有することによって、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ことを目的とする。【解決手段】立方晶窒化硼素と結合相とを含む立方晶窒化硼素焼結体であって、立方晶窒化硼素の含有量は、４０体積％以上８０体積％以下であり、結合相の含有量は、２０体積％以上６０体積％以下であり、立方晶窒化硼素の平均粒径は、０．５μｍ以上４．０μｍ以下であり、結合相は、ＴｉＣ及びＴｉＢ2を含み、ＡｌＮ及び／又はＡｌ2Ｏ3を実質的に含まず、結合相中のＴｉＢ2の（１０１）面のＸ線回折における最大のピーク位置（２θ）が４４．２°以上であり、結合相中のＴｉＣの（２００）面のＸ線回折における最大のピーク位置（２θ）が４２．１°未満である、立方晶窒化硼素焼結体。【選択図】なし
CUBIC BORON NITRIDE SINTERED BODY AND COVERED CUBIC BORON NITRIDE SINTERED BODY
To provide a cubic boron nitride sintered body capable of extending a tool life, by having excellent wear resistance and defect resistance.SOLUTION: Provided is a cubic boron nitride sintered body containing cubic boron nitride and a binder phase, in which a content of cubic boron nitride is 40 vol.% or more and 80 vol.% or less, and a content of the binder phase is 20 vol.% or more and 60 vol.% or less, an average grain size of the cubic boron nitride is 0.5 μm or more and 4.0 μm or less, the binder phase contains TiC and TiB2, and substantially contains no AlN and/or no Al2O3, a maximum peak position (2θ) in the X-ray diffraction of the (101) plane of TiB2 in the binder phase is 44.2° or more, and the maximum peak position (2θ) in the X-ray diffraction of the (200) plane of TiC in the binder phase is less than 42.1°.SELECTED DRAWING: None
【課題】本発明は、優れた耐摩耗性及び耐欠損性を有することによって、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ことを目的とする。【解決手段】立方晶窒化硼素と結合相とを含む立方晶窒化硼素焼結体であって、立方晶窒化硼素の含有量は、４０体積％以上８０体積％以下であり、結合相の含有量は、２０体積％以上６０体積％以下であり、立方晶窒化硼素の平均粒径は、０．５μｍ以上４．０μｍ以下であり、結合相は、ＴｉＣ及びＴｉＢ2を含み、ＡｌＮ及び／又はＡｌ2Ｏ3を実質的に含まず、結合相中のＴｉＢ2の（１０１）面のＸ線回折における最大のピーク位置（２θ）が４４．２°以上であり、結合相中のＴｉＣの（２００）面のＸ線回折における最大のピーク位置（２θ）が４２．１°未満である、立方晶窒化硼素焼結体。【選択図】なし
CUBIC BORON NITRIDE SINTERED BODY AND COVERED CUBIC BORON NITRIDE SINTERED BODY
立方晶窒化硼素焼結体及び被覆立方晶窒化硼素焼結体
FUKUSHIMA YUICHIRO (author)
2023-03-08
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
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