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公开(公告)号：US20240100606A1
公开(公告)日：2024-03-28
申请号：US18033356
申请日：2022-09-22
CPC分类号： B23B27/148 , C23C14/0647 , C23C14/0652 , C23C14/0664 , C23C14/34 , B23B2228/105
摘要： A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternate layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of Ti1-a-bAlaCebN, a is 0.350 or more and 0.650 or less, b is 0.001 or more and 0.100 or less, the second unit layer is composed of AlcV1-cN, c is 0.40 or more and 0.75 or less, and a and c satisfy a relationship of c>a.
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公开(公告)号：US20240189920A1
公开(公告)日：2024-06-13
申请号：US18279397
申请日：2021-06-02
发明人： Daiji TABAYASHI , Haruyo FUKUI , Shigeaki UEMURA
CPC分类号： B23B27/148 , C23C14/0605 , C23C14/325 , C23C14/588 , B23B2228/105
摘要： Provided is a cutting tool comprising a base material and a film arranged on the base material, in which the film includes a hard carbon film on the outermost surface thereof, the hard carbon film includes a first region, the first region is a region sandwiched between the surface of the hard carbon film and an imaginary plane P at a distance of 40 nm from the surface to the base material side, and the sp2 component amount C2 and the sp3 component amount C3 in the first region exhibit a relationship of the following formula 1:
{C2/(C2+C3)}×100≤2.0 formula 1.-
公开(公告)号：US20240102173A1
公开(公告)日：2024-03-28
申请号：US18033361
申请日：2022-09-22
CPC分类号： C23C28/044 , B23B27/146 , B23B27/148 , C23C28/042 , B23B2224/24 , B23B2224/36
摘要： A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternate layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of Ti1-a-bAlaCebN, a is 0.350 or more and 0.650 or less, b is 0.001 or more and 0.100 or less, the second unit layer is composed of AlcCr1-cN, c is 0.40 or more and 0.75 or less, and a and c satisfy a relationship of c>a.
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公开(公告)号：US20240123513A1
公开(公告)日：2024-04-18
申请号：US18039974
申请日：2022-10-14
CPC分类号： B23B27/14 , C23C28/042 , C23C28/044
摘要： A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternate layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of AlaCr1-a-bCebN, a is 0.400 or more and 0.800 or less, b is 0.001 or more and 0.100 or less, the second unit layer is composed of TicSi1-cN, and c is 0.200 or more and 0.990 or less.
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公开(公告)号：US20240100603A1
公开(公告)日：2024-03-28
申请号：US18033357
申请日：2022-09-22
IPC分类号： B23B27/14
CPC分类号： B23B27/14 , B23B2224/32 , B23B2224/36 , B23B2228/105
摘要： A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternate layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of Ti1-a-bAlaCebN, a is between greater than or equal to 0.350 and equal to or less than 0.650, b is between greater than or equal to 0.001 and equal to or less than 0.100, the second unit layer is composed of TicSi1-cN, and c is between greater than or equal to 0.20 and equal to or less than 0.99.
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公开(公告)号：US20230150035A1
公开(公告)日：2023-05-18
申请号：US17793036
申请日：2020-04-24
发明人： Haruyo FUKUI , Daiji TABAYASHI , Yoshihiro SAITO , Kazuya TOKUDA , Yoshiharu UTSUMI , Hajime TAKAMATSU
CPC分类号： B23B27/14 , C22C29/08 , B23B2228/105 , B23B2226/125
摘要： Provided is a cutting tool that can have a long tool life even when used to cut soft metals in particular. The cutting tool comprises a base body and a hard carbon film arranged on the base body, the hard carbon film includes an amorphous phase and a graphite phase, the density of the hard carbon film is no less than 2.5 g/cm3 and no more than 3.5 g/cm3, the degree of crystallinity of the hard carbon film is no more than 6.5%, and the average coordination number of the amorphous phase is no less than 2.5 and no more than 4.
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公开(公告)号：US20230068515A1
公开(公告)日：2023-03-02
申请号：US17793056
申请日：2020-04-24
发明人： Daiji TABAYASHI , Haruyo FUKUI , Yoshihiro SAITO , Kazuya TOKUDA , Yoshiharu UTSUMI , Hajime TAKAMATSU
摘要： Provided is a cutting tool comprising a base body and a hard carbon film arranged on the base body, in which the hard carbon film includes an amorphous phase and a graphite phase, the degree of crystallinity of the hard carbon film is no more than 6.5%, and the degree of orientation of the graphite phase is no more than 6.
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公开(公告)号：US20240123514A1
公开(公告)日：2024-04-18
申请号：US18039969
申请日：2022-10-14
CPC分类号： B23B27/148 , C23C28/042 , C23C28/044
摘要： A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternative layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of AlaCr1-a-bCebN, a is more than 0.500 and 0.800 or less, b is 0.001 or more and 0.100 or less, the second unit layer is composed of AlcV1-cN, c is 0.10 or more and 0.75 or less, and a and c satisfy a relationship of a>c.
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