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公开(公告)号：US20200061718A1
公开(公告)日：2020-02-27
申请号：US16489312
申请日：2017-07-07
发明人： Anongsack PASEUTH , Yasuki KIDO , Shinya IMAMURA , Koji KURAMOCHI
摘要： A surface-coated cutting tool includes a substrate and a coating formed on a surface of the substrate, the coating including one or two or more layers, at least one of the layers being an Al-rich layer including hard particles, the hard particle having a sodium chloride type crystal structure, and including a first unit phase in a form of a plurality of lumps and a second unit phase interposed between the lumps of the first unit phase, the first unit phase being composed of a nitride or carbonitride of AlxTi1−x, the first unit phase having an atomic ratio x of Al of 0.7 or more and 0.96 or less, the second unit phase being composed of a nitride or carbonitride of AlyTi1−y, the second unit phase having an atomic ratio y of Al exceeding 0.5 and less than 0.7.
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公开(公告)号：US20240198430A1
公开(公告)日：2024-06-20
申请号：US18279393
申请日：2022-03-04
IPC分类号： B23B27/14
CPC分类号： B23B27/148 , B23B2222/00 , B23B2226/125 , B23B2226/27 , B23B2226/72
摘要： A cutting tool comprising a base material and a coating, wherein the coating comprises a hard particle layer, the hard particle comprises a multilayer structure in which a first unit layer formed from a first compound and a second unit layer from a second compound are alternately stacked, each of the first compound and the second compound consists of one or more metal elements selected from the group consisting of a periodic table group 4 element, a periodic table group 5 element, and a periodic table group 6 element, silicon, and one or more elements selected from the group consisting of carbon, nitrogen, boron, and oxygen, and a percentage of the number of atoms of the silicon to a sum of the numbers of atoms of the metal element and the silicon in the first unit layer is different from that in the second unit layer.
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公开(公告)号：US20200061717A1
公开(公告)日：2020-02-27
申请号：US16489303
申请日：2017-07-07
发明人： Anongsack PASEUTH , Yasuki KIDO , Shinya IMAMURA , Koji KURAMOCHI
摘要： A surface-coated cutting tool includes a substrate and a coating formed on a surface of the substrate, the coating including one or two or more layers, at least one of the layers being an Al-rich layer including hard particles, the hard particle having a sodium chloride type crystal structure, and including a first unit phase in a form of a plurality of lumps and a second unit phase interposed between the lumps of the first unit phase, the first unit phase being composed of a nitride or carbonitride of AlxTi1-x, the first unit phase having an atomic ratio x of Al of 0.7 or more and 0.96 or less, the second unit phase being composed of a nitride or carbonitride of AlyTi1-y, the second unit phase having an atomic ratio y of Al exceeding 0.5 and less than 0.7.
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公开(公告)号：US20200061716A1
公开(公告)日：2020-02-27
申请号：US16489292
申请日：2017-07-11
发明人： Anongsack PASEUTH , Yasuki KIDO , Shinya IMAMURA , Koji KURAMOCHI
摘要： A surface-coated cutting tool includes a substrate and a coating formed on a surface of the substrate, the coating including one or two or more layers, at least one of the layers being an Al-rich layer including hard particles, the hard particle having a sodium chloride type crystal structure, and including a first unit phase in a form of a plurality of lumps and a second unit phase interposed between the lumps of the first unit phase, the first unit phase being composed of a nitride or carbonitride of AlxTi1-x, the first unit phase having an atomic ratio x of Al of 0.7 or more and 0.96 or less, the second unit phase being composed of a nitride or carbonitride of AlyTi1-y, the second unit phase having an atomic ratio y of Al exceeding 0.5 and less than 0.7.
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