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    Process for the production of bonded hard alloys
    1.
    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 body for use in a cutting tool and the method for producing the same
    5.
    发明授权
    Sintered body for use in a cutting tool and the method for producing the same 失效
    用于切削工具的烧结体及其制造方法

    公开(公告)号：US4293618A

    公开(公告)日：1981-10-06

    申请号：US36989

    申请日：1979-05-07

    申请人： Akio Hara ,  Shuji Yazu

    发明人： Akio Hara ,  Shuji Yazu

    IPC分类号： B22F7/00 ,  B22F7/06 ,  B23B27/14 ,  B23P15/28 ,  B24D3/00 ,  C04B35/56 ,  C04B35/583 ,  C04B37/02 ,  C22C26/00 ,  C22C29/16 ,  C22C29/00

    CPC分类号： B22F7/06 ,  B23B27/148 ,  C04B35/645 ,  C04B37/021 ,  C04B37/026 ,  C22C26/00 ,  B22F2005/001 ,  C04B2235/6562 ,  C04B2237/122 ,  C04B2237/361 ,  C04B2237/363 ,  C04B2237/401 ,  C04B2237/704 ,  C04B2237/706 ,  C04B2237/708 ,  Y10T428/12049 ,  Y10T428/12146

    摘要： The invention relates to a sintered body for use in a cutting tool comprising a cutting edge forming part having particularly high hardness and wear resistance bonded to a supporting member having high plastic deformability, stiffness, transverse rupture strength, thermal conductivity, thermal expansion coefficient, resistance to corrosion, oxidization and the like, and to a method for producing the same. A diamond powder or high pressure form boron nitride powder is placed in contact with preliminarily sintered cermet constituted by carbide crystals chiefly comprising molybdenum in the form of (Mo, W)C bonded by iron group metals, the combined body being sintered at a temperature and pressure under which the diamond powder or high pressure form boron nitride powder is thermodynamically stable so that the sintered body of the diamond or high pressure form boron nitride is bonded to the cermet thereby enabling to obtain a sintered body having the said high properties for use in a cutting tool.

    摘要翻译： 本发明涉及一种用于切削刀具的烧结体，其包括具有特别高的硬度和耐磨性的切削刃形成部分，其结合到具有高塑性变形性，刚度，横向断裂强度，导热性，热膨胀系数，电阻 腐蚀，氧化等，以及其制造方法。 将金刚石粉末或高压氮化硼粉末与由主要包含以铁族金属键合的（Mo，W）C形式的钼的碳化物晶体构成的预先烧结的金属陶瓷接触，该组合体在一定温度下烧结， 金刚石粉末或高压形成氮化硼粉末的压力是热力学稳定的，使得金刚石或高压的烧结体形成氮化硼结合到金属陶瓷上，从而能够获得具有上述高性能的烧结体，用于 一个切割工具

    Diamond/sintered carbide cutting tool
    6.
    发明授权
    Diamond/sintered carbide cutting tool 失效
    钻石/烧结硬质合金刀具

    公开(公告)号：US4171973A

    公开(公告)日：1979-10-23

    申请号：US902812

    申请日：1978-05-04

    申请人： Akio Hara ,  Shuji Yazu

    发明人： Akio Hara ,  Shuji Yazu

    IPC分类号： B01J3/06 ,  B23B27/14 ,  C22C26/00 ,  B24D3/04 ,  C22C29/00

    CPC分类号： C22C26/00 ,  B01J3/062 ,  B23B27/148 ,  B01J2203/062 ,  B01J2203/0635 ,  B01J2203/0655 ,  B01J2203/0685

    摘要： A sintered compact for use in a cutting tool and a method of producing the same are disclosed. The compact comprises 95 to 20 volume % of diamond finer than one micron in size and the balance binder also finer than one micron selected from the group of WC, (MoW)C, WC base cemented carbide and (MoW)C base cemented carbide.The method comprises pulverizing a diamond powder by using cemented carbide balls and a pot having a cemented carbide lining, mixing the diamond powder with a powder abraded from the balls and pot to produce a powder mix finer than one micron containing 95 to 20 volume % of diamond, heat-treating the powder mix in vacuum so as to degas, and hot-pressing the powder mix under high pressure at high temperature within the stable range of diamond.

    摘要翻译： 公开了一种用于切削工具的烧结体及其制造方法。 该压块包括比体积小于1微米的金刚石的95至20体积％，并且平衡粘结剂还比选自WC，（MoW）C，WC基硬质合金和（MoW）C基硬质合金的一微米更细。

    Method of making surface-coated cemented carbide articles
    7.
    发明授权
    Method of making surface-coated cemented carbide articles 失效
    制作表面硬质合金制品的方法

    公开(公告)号：US3932231A

    公开(公告)日：1976-01-13

    申请号：US119134

    申请日：1971-02-26

    申请人： Akio Hara ,  Shuji Yazu

    发明人： Akio Hara ,  Shuji Yazu

    IPC分类号： C25D13/02

    CPC分类号： C25D13/02 ,  Y10T83/97

    摘要： Surface-coated cemented carbide articles, in particular, cutting tools very excellent in wear resistance and heat resistance are made by an improved method according to the invention. This improved method comprises providing a 3-50 % by weight dispersion of fine powders of 20 microns or less containing 50 % or more of titanium carbide in a liquid consisting mainly of an organic solvent, applying a DC voltage of 10-500 volts to the surface of tungsten carbide base cemented carbides containing 4-30 % of a binder metal in said dispersion to thus cause electrophoretic deposition of the fine powders thereon, heating the coated surface at a temperature of 1260-1550 .degree.C in vacuum or in a reducing or inert atmosphere and thereby forming a coating layer consisting mainly of titanium carbide of 100 microns or less on the surface of the cemented carbides.

    摘要翻译： 表面涂层的硬质合金制品，特别是通过根据本发明的改进方法制成的耐磨性和耐热性非常优异的切削工具。 该改进的方法包括在主要由有机溶剂组成的液体中提供含有50％或更多的碳化钛的20微米或更小的20微米或更小的细粉末的3-50重量％分散体，将10-500伏的直流电压施加到 在所述分散体中含有4-30％的粘合剂金属的碳化钨基硬质合金表面，从而使其上的细粉末电泳沉积，在真空中或在还原或加热下在1260-1550℃的温度下加热涂覆的表面 从而形成主要由硬质合金表面的100微米或更小的碳化钛组成的涂层。

    Diamond sintered compact wherein crystal particles are uniformly orientated in the particular direction and the method for producing the same
    8.
    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
    9.
    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。

    Sintered compact for use in a tool and the method for producing the same
    10.
    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。