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1. 发明申请

US20180354038A1 COMPOSITE PART AND CUTTING TOOL 审中-公开
公开(公告)号：US20180354038A1
公开(公告)日：2018-12-13
申请号：US15755402
申请日：2016-08-31
申请人： MITSUBISHI MATERIALS CORPORATION
发明人： Makoto IGARASHI , Kazutaka FUJIWARA
IPC分类号： B22F7/06 , B32B18/00 , B23B27/18 , C22C29/08 , B23K20/02
CPC分类号： B22F7/062 , B22F3/14 , B22F2302/10 , B22F2998/10 , B23B27/18 , B23K20/026 , B32B18/00 , C22C29/08
摘要： A composite member in which WC-based cemented carbide members are bonded to each other via a bonding layer formed by solid phase diffusion bonding of a bonding member made of a Ti foil. The bonding layer is constituted by first layers adjacent to the WC-based cemented carbide members and made of a TiC phase and a metal W phase in which an average area ratio of the TiC phase is 40 to 60%. The bonding layer also includes second layers adjacent to the first layers and made of a TiCo phase and a metal Ti phase in which an average area ratio of the TiCo phase is 50 to 95%, and a residual Ti layer.

2. 发明申请

US20160318132A1 BRAZING MATERIAL FOR BONDING; AND COMPOSITE PART AND CUTTING TOOL USING SAME 审中-公开
标题翻译：用于粘接的制动材料和复合部件和切割工具使用相同
公开(公告)号：US20160318132A1
公开(公告)日：2016-11-03
申请号：US15107632
申请日：2014-12-22
申请人： MITSUBISHI MATERIALS CORPORATION
发明人： Makoto IGARASHI , Tadakazu OHASHI , Kenji YUMOTO , Hiroyasu SHIMIZU
IPC分类号： B23K35/32 , B23B27/18 , C22C30/02
CPC分类号： B23K35/325 , B22F7/064 , B23B27/18 , B23B2222/28 , B23B2226/125 , B23B2240/08 , B23K35/005 , B23K35/32 , B23K35/327 , B23K35/40 , B23K2101/20 , C22C1/0458 , C22C14/00 , C22C29/08 , C22C30/02 , C22C2204/00
摘要： A cutting tool including a cutting edge part made of cBN sintered material bonded through a brazing material for bonding and a cutting tool body made of WC-based cemented carbide is provided. In the cutting tool, the cutting edge part made of cBN sintered material and the cutting tool body made of WC-based cemented carbide are brazed by using a blazing material for bonding including: 35-40% of Ti in a mass ratio; 35-40% of Zr in a mass ratio; 5-15% of Ni in a mass ratio; and the Cu balance including inevitable impurities.
摘要翻译：提供一种切削工具，其包括由通过用于接合的钎焊材料粘合的cBN烧结材料制成的切削刃部和由WC基硬质合金制成的切削工具主体。在切削工具中，使用由cBN烧结材料制成的切削刃部件和由WC基硬质合金制成的切削刀具主体通过使用用于粘合的燃烧材料进行钎焊，包括：质量比为35-40％的Ti; 35-40％的Zr以质量比计; 质量比为5-15％的Ni; 并且Cu平衡包括不可避免的杂质。

3. 发明申请

US20180229306A1 COMPOSITE SINTERED BODY CUTTING TOOL 审中-公开
公开(公告)号：US20180229306A1
公开(公告)日：2018-08-16
申请号：US15514361
申请日：2015-09-18
申请人： MITSUBISHI MATERIALS CORPORATION
发明人： Makoto IGARASHI , Akihiro MURAKAMI
IPC分类号： B22F3/24 , B22F7/00 , B23B27/14
摘要： A composite sintered body cutting tool, in which tungsten is reduced, is made of a TiCN-based cermet and WC-based cemented carbide. The cutting tool has an angle of less than 90 degrees formed by a rake face and a flank face. The rake face including a cutting edge contains WC-based cemented carbide including 4% to 17% by mass of iron group metal components with a remainder being WC. The thickness of the carbide is 0.05 to 0.3 times the thickness of the composite sintered body. The TiCN-based cermet which is a base body of the cutting tool includes 4% to 25% of the iron group metal components, less than 15% of W, 2% to 15% of Mo, 2% to 10% of Nb, and 0.2% to 2% of Cr. The cermet may contain iron group metal Co and Ni, where, Co/Co+Ni is 0.5 to 0.8.

4. 发明申请

US20170120344A1 COMPOSITE PART AND CUTTING TOOL 审中-公开
公开(公告)号：US20170120344A1
公开(公告)日：2017-05-04
申请号：US15127312
申请日：2015-03-24
申请人： MITSUBISHI MATERIALS CORPORATION
发明人： Makoto IGARASHI
IPC分类号： B23B27/18 , C22C14/00 , C22C19/03 , C22C19/00 , C22C29/02 , C22C9/06
CPC分类号： B23B27/18 , B22F7/06 , B22F2005/001 , B23B2222/28 , B23B2224/28 , B23B2226/125 , B23B2228/105 , B23C5/18 , C22C9/06 , C22C14/00 , C22C19/007 , C22C19/03 , C22C26/00 , C22C29/02 , C22C29/08 , C22C2026/003 , C23C30/005
摘要： A composite part includes: a cutting edge part made of cubic boron nitride sintered material or WC-based cemented carbide; a cutting tool body made of cemented carbide; and a bonding part between the cutting edge part and the cutting tool body. A primarily TiC layer containing 50 area % or more of TiC is formed in an interface between the cemented carbide and the bonding part, and has a thickness of 0.5-3 μm. Ti—Ni enriched layer containing each of Ti and Ni at 30 atomic % or more is formed adjacent to the primarily TiC layer and has a thickness of 0.3-3 μm. An intermittent net structure containing each of Ti, Ni and C at 10 atomic % or more is formed adjacent to the primarily TiC layer. A straight line overlapping with a major axis of each of crystal grains intersects 3 or more other crystal grains.

5. 发明申请

US20170008093A1 SURFACE-COATED TITANIUM CARBONITRIDE-BASED CERMET CUTTING TOOL HAVING EXCELLENT CHIPPING RESISTANCE 审中-公开
标题翻译：表面涂覆的碳纳米碳管切割工具，具有优异的抗电弧性能
公开(公告)号：US20170008093A1
公开(公告)日：2017-01-12
申请号：US15121305
申请日：2015-02-25
申请人： MITSUBISHI MATERIALS CORPORATION
发明人： Makoto IGARASHI , Akihiro MURAKAMI
IPC分类号： B23B27/14 , C23C16/32 , C23C16/34 , C23C16/44
CPC分类号： B23B27/148 , B22F2005/001 , B23B2222/16 , B23B2224/28 , B23B2224/32 , B23B2224/36 , B23B2228/04 , B23B2228/105 , C22C29/04 , C23C16/0281 , C23C16/30 , C23C16/32 , C23C16/34 , C23C16/36 , C23C16/44 , C23C28/321 , C23C28/34 , C23C28/341 , C23C28/3455 , C23C28/347
摘要： A surface-coated titanium carbonitride-based cermet cutting tool is a surface-coated TiCN-based cermet cutting tool in which a Ti compound layer that is a hard coating layer is deposited as a first layer on the surface of a TiCN-based cermet body containing W and Mo, and a Mo-enriched layer having an average thickness of 0.5 to 10 nm is formed at an interface between a TiCN phase of the body and the hard coating layer.
摘要翻译：表面涂覆的碳氮化钛基金属陶瓷切割工具是表面涂覆的TiCN基金属陶瓷切割工具，其中作为硬涂层的Ti化合物层作为第一层沉积在TiCN基金属陶瓷体的表面上含有W和Mo，并且在本体的TiCN相与硬涂层之间的界面处形成平均厚度为0.5〜10nm的富钼层。

6. 发明申请

US20170341156A1 COMPOSITE SINTERED BODY CUTTING TOOL AND SURFACE COATED COMPOSITE SINTERED BODY CUTTING TOOL 审中-公开
公开(公告)号：US20170341156A1
公开(公告)日：2017-11-30
申请号：US15538562
申请日：2015-12-24
申请人： MITSUBISHI MATERIALS CORPORATION
发明人： Makoto IGARASHI , Akihiro MURAKAMI
IPC分类号： B23B27/14
摘要： A composite sintered body cutting tool is made of a composite sintered body comprising a TiCN-based cermet layer; and a WC-based cemented carbide layer. The angle between the rake face and the flank face of the cutting tool is 90°. The rake face including a cutting edge of the cutting tool is constituted from the WC-based cemented carbide layer, in which 4 to 17 mass % of an iron group metal component and 75 mass % or more of W are included; and a major hard phase component is WC. The thickness of the WC-based cemented carbide layer is 0.05 to 0.3 times the thickness of the composite sintered body. The TiCN-based cermet layer is constituted from a single layer of a TiCN-based cermet layer, including at least, 4 to 25 mass % of an iron group metal component, less than 15 mass % of W, 2 to 15 mass % of Mo, 2 to 10 mass % of Nb and 0.2 to 2 mass % of Cr in a case where contents of the constituting components of the cermet layer are expressed as contents of metal components, and satisfy the Co content relative to the total content of Co and Ni of 0.5 to 0.8 with respect to Co and Ni of the iron group metal component in a mass ratio. When the height profile from the upper end to the lower end of the flank face is measured in the plane, which passes the center of the rake face of the cutting tool and is perpendicular to both of the rake face and the flank face, as the line, which passes the ridge line where the rake face and the flank face intersect and perpendicular to the rake face, being the reference line, the maximum elevation difference value of the height profile is in a ratio of 0.01 or less with respect to the thickness of the composite sintered body from the front surface of the rake face to a rear surface.

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