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    Sintered compact for use in a tool and the method for producing the same
    1.
    发明授权
    Sintered compact for use in a tool and the method for producing the same 失效
    用于工具的烧结体及其制造方法

    公开(公告)号：US4389465A

    公开(公告)日：1983-06-21

    申请号：US349663

    申请日：1982-02-17

    申请人： Tetsuo Nakai ,  Yuichiro Kono ,  Shuji Yazu ,  Akio Hara

    发明人： Tetsuo Nakai ,  Yuichiro Kono ,  Shuji Yazu ,  Akio Hara

    IPC分类号： C04B35/10 ,  B23B27/14 ,  C04B35/117 ,  C04B35/583 ,  C04B35/5831 ,  C04B35/58

    CPC分类号： C04B35/5831 ,  B23B27/148 ,  C04B35/117 ,  Y10T428/31678

    摘要： The invention relates to a sintered compact for use in an ultrahard tool having high resistance to heat and wear, outstanding thermal conductivity and thermal shock resistance property at elevated temperature, and suitable for high-speed cutting, and to a method for producing the same. A powder mixture comprising 20-80 volume % high pressure form boron nitride powder, the residual part consisting of Al.sub.2 O.sub.3 powder or a compound ceramic powder principally comprising Al.sub.2 O.sub.3 powder and also containing carbides, nitrides of IVb, Vb, VIb metals of the periodic table, mutual solid solution thereof or admixture thereof, is sintered as it stands or after pressing under a high pressure and a high temperature so that Al.sub.2 O.sub.3 of the compound ceramic constitutes a continuous phase in the structure of the sintered compact, and the half width of (116) in the X-ray diffraction of CuK.alpha. ray of Al.sub.2 O.sub.3 crystals in the structure constituting the continuous phase is within the range from 0.200 deg. to 0.600 deg., thereby enabling to obtain a sintered compact for use in a tool having the aforesaid high properties.

    摘要翻译： 本发明涉及一种用于具有高耐热耐磨性，高温下优异的导热性和耐热冲击性，适用于高速切割的超硬工具的烧结体及其制造方法。 一种粉末混合物，其包含20-80体积％的高压氮化硼粉末，剩余部分由Al2O3粉末或主要包含Al 2 O 3粉末并且还含有碳化物的化合物陶瓷粉末，周期表中IVb，Vb，VIb族金属的氮化物， 其相互固溶体或其混合物在其高压或高温下进行烧结或压制后，使得复合陶瓷的Al 2 O 3在烧结体的结构中构成连续相，并且（116 ）在构成连续相的结构中的Al 2 O 3晶体的CuKα射线的X射线衍射中在0.200度的范围内。 至0.600度，从而能够获得用于具有上述高性能的工具的烧结体。

    Process for the production of a composite tool
    2.
    发明授权
    Process for the production of a composite tool 失效
    生产复合工具的过程

    公开(公告)号：US4890782A

    公开(公告)日：1990-01-02

    申请号：US186082

    申请日：1988-04-25

    申请人： Tetsuo Nakai ,  Akio Hara ,  Shuji Yazu

    发明人： Tetsuo Nakai ,  Akio Hara ,  Shuji Yazu

    IPC分类号： B23K31/02 ,  B23K35/00 ,  E21B10/56 ,  E21B10/567

    CPC分类号： E21B10/567 ,  B23K31/025 ,  B23K35/001 ,  Y10T428/24942 ,  Y10T428/30

    摘要： A composite tool with a higher bonding strength and higher heat resistance is provided comprising an insert of a hard material such as composite diamond or BN compacts and a support of a hard metal or alloy such as steel and cemented carbides, having a larger volume than the insert, the insert and support being bonded by friction welding through an interlayer of a high strength metal or alloy such as Co and Ni with a thickness of at most 1 mm.

    摘要翻译： 提供了具有较高粘合强度和较高耐热性的复合工具，其包括硬质材料（例如复合金刚石或BN压块）的插入物和诸如钢和硬质合金的硬质金属或合金的支撑体，其具有比 插入物，插入物和支持体通过摩擦焊接通过厚度为至多1mm的高强度金属或诸如Co和Ni的合金的中间层进行结合。

    Compound sintered compact for use in a tool and the method for producing the same
    3.
    发明授权
    Compound sintered compact for use in a tool and the method for producing the same 失效
    用于工具的复合烧结体及其制造方法

    公开(公告)号：US4403015A

    公开(公告)日：1983-09-06

    申请号：US227787

    申请日：1981-01-21

    申请人： Tetsuo Nakai ,  Shuji Yazu ,  Akio Hara

    发明人： Tetsuo Nakai ,  Shuji Yazu ,  Akio Hara

    IPC分类号： B01J3/06 ,  B22F7/06 ,  B24D3/00 ,  B24D3/06 ,  B24D3/10 ,  B32B18/00 ,  C04B35/5831 ,  B22F3/14 ,  B22F7/08

    CPC分类号： C04B35/5831 ,  B01J3/062 ,  B22F7/06 ,  B24D3/007 ,  B24D3/06 ,  B24D3/10 ,  C04B35/58014 ,  C04B35/645 ,  B01J2203/062 ,  B01J2203/0645 ,  B01J2203/0655 ,  B01J2203/066 ,  B01J2203/0685 ,  C04B2235/3843 ,  C04B2235/386 ,  C04B2235/3886 ,  C04B2235/5436 ,  Y10T428/12146

    摘要： The invention enables to obtain a compound sintered compact for use in a cutting tool having particularly high properties in respect of bonded strength, hardness, wear resistance, plastic deformability and rigidity by bonding a diamond or cubic boron nitride containing hard layer to a cemented carbide substrate with interposition of an intermediate bonding layer.A powder for forming the intermediate bonding layer comprising cubic boron nitride in an amount less than 70 volume %, the residual part principally consisting of a compound selected from among carbides, nitrides, carbonitrides or borides of 4a, 5a, 6a transition metals of the periodic table, an admixture thereof, or a mutual solid solution compound thereof, after pressing or in the state of powder, is placed on the cemented carbide substrate to a thickness less than 2 mm, or preliminarily applied to said cemented carbide substrate, further on said powder being placed a powder for forming the hard sintered compact containing diamond or cubic boron nitride in an amount in excess of 20 volume % after pressing or in the state of powder, the whole being hot pressed under an ultrahigh pressure and a high temperature to sinter the diamond or cubic boron nitride containing hard layer and the intermediate layer as well as to bond said hard layer, intermediate layer and substrate to each other, thereby enabling to obtain a compound sintered compact having the aforesaid superior properties for use in a cutting tool.

    摘要翻译： 本发明能够获得用于具有特别高的接合强度，硬度，耐磨性，塑性变形性和刚性特性的切削工具中的复合烧结体，该金刚石或立方氮化硼含有硬质层与硬质合金基体 插入中间粘合层。 用于形成中间粘合层的粉末包含小于70体积％的立方氮化硼，残余部分主要由选自周期性的4a，5a，6a过渡金属的碳化物，氮化物，碳氮化物或硼化物组成的化合物 表，其混合物或其相互固溶的化合物在压制或粉末状态之后，以小于2mm的厚度放置在硬质合金基体上，或者预先施加到所述硬质合金基底上，进一步在所述 在粉末中放置粉末，用于形成含有金刚石或立方氮化硼的硬质烧结体，其量超过压制后的20体积％或粉末状态，整体在超高压和高温下热压烧结 含有金刚石或立方氮化硼的硬质层和中间层，以及将所述硬质层，中间层和基板彼此接合， 从而能够获得具有上述用于切削工具的优异性能的复合烧结体。

    Process for the production of bonded hard alloys
    5.
    发明授权
    Process for the production of bonded hard alloys 失效
    粘结硬质合金的生产工艺

    公开(公告)号：US4492846A

    公开(公告)日：1985-01-08

    申请号：US433533

    申请日：1982-10-08

    申请人： Akio Hara ,  Masaya Miyake ,  Shuji Yazu

    发明人： Akio Hara ,  Masaya Miyake ,  Shuji Yazu

    IPC分类号： B23K1/005 ,  B23K15/00 ,  B23K26/00 ,  B23K26/32 ,  B23K35/30 ,  B23K31/04

    CPC分类号： B23K1/0056 ,  B23K15/00 ,  B23K35/30

    摘要： Process for the production of bonded hard alloys, which comprises inserting a thin sheet of a Fe group metal or its alloy as a filler in between the surfaces of at least one kind of hard alloy, and applying a high energy beam to a part or all of the thin sheet to melt and solidify the thin sheet in a slit form, thereby bonding the hard alloys together.

    摘要翻译： 粘结硬质合金的制造方法，其包括在至少一种硬质合金的表面之间插入作为填料的Fe族金属或其合金的薄片，并将高能束施加到部分或全部 的薄片以狭缝形式熔化和固化薄片，从而将硬合金粘合在一起。

    Sintered compact for a machining tool and a method of producing the compact
    6.
    发明授权
    Sintered compact for a machining tool and a method of producing the compact 失效
    用于机加工工具的烧结体及其制造方法

    公开(公告)号：US4334928A

    公开(公告)日：1982-06-15

    申请号：US119771

    申请日：1980-02-08

    申请人： Akio Hara ,  Shuji Yazu

    发明人： Akio Hara ,  Shuji Yazu

    IPC分类号： B22F3/12 ,  B22F7/02 ,  B22F7/06 ,  B23B27/14 ,  C04B35/5831 ,  C22C26/00 ,  B22F3/00

    CPC分类号： C22C26/00 ,  B22F7/06 ,  B23B27/148 ,  C04B35/5831 ,  C22C2026/005 ,  Y10T428/12056 ,  Y10T428/12146

    摘要： A sintered compact for use in a machining tool comprising 80 to 10 volume % of a high pressure form of boron nitride, and the balance a matrix of at least one binder compound material selected from the group consisting of a carbide, nitride, carbonitride, boride or silicide of IVa and Va transition metal of the periodic table, their mixtures as well as the solid solution of these compounds; the matrix forming a continuous bonding structure in the sintered body.A method of producing the compact comprises preparing a mix of 80 to 10 volume % of a high pressure form of a boron nitride powder with 20 to 90 volume % of at least one powdered binder compound selected from the group consisting of a carbide, a nitride, a carbonitride, a boride and a silicide of a IVa, or a Va metal, mixtures thereof or solid solutions of these compounds, and sintering the mix under pressures more than 20 Kb at temperatures higher than 700.degree. C. for more than 3 minutes.

    摘要翻译： 一种用于加工工具的烧结体，其包含80-10体积％的高压形式的氮化硼，余量为选自碳化物，氮化物，碳氮化物，硼化物中的至少一种粘合剂化合物材料的基体 或周期表的IVa和Va过渡金属的硅化物，它们的混合物以及这些化合物的固溶体; 所述基体在所述烧结体中形成连续的接合结构。 制造压块的方法包括制备80至10体积％的高压形式的氮化硼粉末与20至90体积％的至少一种选自碳化物，氮化物的粉末状粘合剂的混合物 ，IVa的碳氮化物，硼化物和硅化物或Va金属，它们的混合物或这些化合物的固溶体，并且在高于700℃的温度下在超过20Kb的压力下将混合物烧结超过3分钟 。

    Diamond sintered compact wherein crystal particles are uniformly orientated in the particular direction and the method for producing the same
    7.
    发明授权
    Diamond sintered compact wherein crystal particles are uniformly orientated in the particular direction and the method for producing the same 失效
    其中晶体颗粒沿特定方向均匀取向的金刚石烧结体及其制造方法

    公开(公告)号：US4425315A

    公开(公告)日：1984-01-10

    申请号：US352248

    申请日：1982-02-25

    申请人： Kazuo Tsuji ,  Shuji Yazu ,  Akio Hara

    发明人： Kazuo Tsuji ,  Shuji Yazu ,  Akio Hara

    IPC分类号： B01J3/06 ,  H01L21/48 ,  C01B31/06

    CPC分类号： B01J3/062 ,  H01L21/4803 ,  B01J2203/062 ,  B01J2203/0655 ,  B01J2203/0685 ,  Y10T428/2982 ,  Y10T428/30

    摘要： The invention relates to a diamond sintered compact wherein diamond crystal particles are uniformly orientated in a particular direction and the method for producing the same, and has for an object to provide a diamond sintered compact having a high thermal conductivity particularly suitable for heat sink for use in the field of electronics.According to the invention, graphite is used as carbonaceous raw material, diamond crystal particles having such elongated shape that the ratio of the length of the long axis to that of the short axis is more than 2 being synthesized in such state that the greater part of the crystal particles have their long axes uniformly oriented in a particular direction, the crystal particles being sintered in the direction of the long axes thereof so that transformation of the graphite into diamond and sintering thereof may be accomplished synchronously. The invention has for an object to obtain a diamond sintered compact suitable for the aforesaid use by degassing reaction system raw material plugged into an air permeable container by heating it in vacuum in order to intercept gaseous components causing a decrease of thermal conductivity at the time of synthesizing diamond from carbonaceous material and a catalytic metal and sintering thereof, subsequently the air permeable part of the said container being sealed by means of soldering material preliminarily placed in contact with the said container.

    摘要翻译： 本发明涉及金刚石烧结体，其中金刚石晶体颗粒在特定方向上均匀取向，并且其制造方法的目的是提供一种具有高热导率的金刚石烧结体，特别适用于散热器 在电子领域。 根据本发明，石墨用作碳质原料，具有这样细长形状的金刚石晶体颗粒，使得长轴与短轴的长度的比例大于2被合成为使得大部分 晶体颗粒具有沿特定方向均匀取向的长轴，晶体颗粒沿其长轴方向烧结，从而可以同时完成石墨转化为金刚石和烧结。 本发明的目的是获得一种适用于上述用途的金刚石烧结体，其通过在真空中加热而将插入到透气性容器中的反应系统原料脱气，以截留导致在 从碳质材料和催化金属合成金刚石并将其烧结，随后所述容器的透气部分通过预先与所述容器接触的焊料密封。

    Diamond sintered body and the method for producing the same
    8.
    发明授权
    Diamond sintered body and the method for producing the same 失效
    金刚石烧结体及其制造方法

    公开(公告)号：US4303442A

    公开(公告)日：1981-12-01

    申请号：US69575

    申请日：1979-08-24

    申请人： Akio Hara ,  Shuji Yazu

    发明人： Akio Hara ,  Shuji Yazu

    IPC分类号： B01J3/06 ,  B23P5/00 ,  C03B33/10 ,  C22C26/00

    CPC分类号： C03B33/105 ,  B01J3/062 ,  B23P5/00 ,  C22C26/00 ,  B01J2203/062 ,  B01J2203/0655 ,  B01J2203/0685 ,  C22C2026/005

    摘要： The invention relates to a diamond sintered body having a high wear resistance and making it possible to obtain a processed surface of high dimensional precision and beautiful finish as a wear resisting tool blank for use particularly in a wire drawing die, shaving die and the like, as a tool blank for use in a cutting tool for a workpiece consisting of nonferrous metals, plastics, ceramic, etc., and as a cutting tool blank for use in a glass cutter, synthetic building material cutting blade, etc., and method for producing the same, wherein a mixture comprising a diamond powder below 1.mu. and a powder below 1.mu. of one or more than two kinds of carbides, nitrides and borides of IVa, Va and VIa group metals of the periodic table, and further a powder of iron group metals is placed between a plurality of cemented carbide plates and then subjected to hot press sintering at a high temperature and high pressure under which diamond is stable thereby enabling to obtain a diamond sintered body having high properties suitable for the aforesaid uses.

    摘要翻译： 本发明涉及一种具有高耐磨性的金刚石烧结体，并且可以获得高尺寸精度和美观的加工表面作为特别用于拉丝模，剃须刀等的耐磨工具坯料， 作为用于由有色金属，塑料，陶瓷等组成的工件的切削工具中使用的工具坯料，以及用于玻璃切割机，合成建筑材料切割刀片等的切削工具坯料，以及用于 制备其中的方法，其中将包含低于1微米的金刚石粉末和低于1微米的粉末的元素周期表中的IVa，Va和VIa族金属的一种或多于两种的一种或多于两种的碳化物，氮化物和硼化物的混合物， 的铁族金属放置在多个硬质合金板之间，然后在高温高压下进行热压烧结，金刚石稳定，由此能够获得金刚石烧结体 具有适用于上述用途的高性能。