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 。

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。

公开(公告)号：US4442180A

公开(公告)日：1984-04-10

申请号：US262027

申请日：1981-05-08

申请人： Akio Hara ,  Shuji Yazu

发明人： Akio Hara ,  Shuji Yazu

IPC分类号： B22F7/06 ,  B23B27/14 ,  C04B37/02 ,  C22C26/00 ,  C22C29/00

CPC分类号： B22F7/06 ,  B23B27/148 ,  C04B35/64 ,  C04B35/645 ,  C22C26/00 ,  B22F2005/001 ,  C04B2235/656 ,  C04B2235/6567 ,  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 molibdenum 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。 金刚石粉末或高压氮化硼粉末与由主要由铁族金属键合的（Mo，W）C形式的主要包含糠醛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

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。

公开(公告)号：US4231762A

公开(公告)日：1980-11-04

申请号：US968970

申请日：1978-12-13

申请人： Akio Hara ,  Shuji Yazu

发明人： Akio Hara ,  Shuji Yazu

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

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。 该方法包括通过使用硬质合金球和具有硬质合金衬里的罐来粉碎金刚石粉末，将金刚石粉末与从球和罐研磨的粉末混合以产生比一微米更细的粉末混合物，其含有95至20体积％的 金刚石，在真空中热处理粉末混合物以脱气，并在高温下在高温下在稳定的金刚石范围内热压粉末混合物。

公开(公告)号：US4950557A

公开(公告)日：1990-08-21

申请号：US275653

申请日：1988-11-21

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.

公开(公告)号：US4412980A

公开(公告)日：1983-11-01

申请号：US352249

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 oriented 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沿特定方向均匀取向，并且其制造方法的目的是提供一种具有高导热性的金刚石烧结体，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。

公开(公告)号：US4343651A

公开(公告)日：1982-08-10

申请号：US136459

申请日：1980-03-31

申请人： Shuji Yazu ,  Akio Hara

发明人： Shuji Yazu ,  Akio Hara

IPC分类号： C04B35/5831 ,  C22C26/00 ,  C22C29/16 ,  B22F3/14

CPC分类号： C22C29/16 ,  C04B35/5831 ,  C22C26/00

摘要： An improved sintered compact for use in a cutting tool is proposed which comprises 80 to 95 volume % of high pressure form boron nitride, a binder material which is a carbide, a nitride and/or a carbonitride of a IVb and Vb transition metal in the periodic table, and aluminum compounds. It may further include copper and/or iron group metal or metals. The sintered compact obtained has high hardness even though the sintering pressure and temperature are relatively low.

摘要翻译： 提出了一种用于切削工具的改进的烧结体，其包括80至95体积％的高压氮化硼，作为IVb和Vb过渡金属的碳化物，氮化物和/或碳氮化物的粘合剂材料 周期表和铝化合物。 它还可包括铜和/或铁族金属或金属。 即使烧结压力和温度相对较低，所获得的烧结体也具有高的硬度。

公开(公告)号：US4333986A

公开(公告)日：1982-06-08

申请号：US158136

申请日：1980-06-10

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 oriented 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沿特定方向均匀取向，并且其制造方法的目的是提供一种具有高导热性的金刚石烧结体，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。

公开(公告)号：US5814583A

公开(公告)日：1998-09-29

申请号：US673022

申请日：1996-07-01

申请人： Hideo Itozaki ,  Saburo Tanaka ,  Nobuhiko Fujita ,  Shuji Yazu ,  Tetsuji Jodai

发明人： Hideo Itozaki ,  Saburo Tanaka ,  Nobuhiko Fujita ,  Shuji Yazu ,  Tetsuji Jodai

IPC分类号： C01G3/00 ,  C01B13/14 ,  C01G1/00 ,  C04B41/89 ,  C23C14/08 ,  C23C16/30 ,  H01B3/00 ,  H01B12/06 ,  H01B13/00 ,  H01L39/12 ,  H01L39/24 ,  H01L39/00

CPC分类号： H01L39/24 ,  H01L39/2435 ,  H01L39/247 ,  Y10S428/93 ,  Y10S505/701 ,  Y10S505/704 ,  Y10S505/73 ,  Y10S505/731 ,  Y10S505/732

摘要： A high-temperature superconducting thin film of compound oxide selected from the group consisting of: Y.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x, Ho.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x, Lu.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x, Sm.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x, Nd.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x, Gd.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x, Eu.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x, Er.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x, Dy.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x, Tm.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x, Yb.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x, La.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x, (La, Sr).sub.2 CuO.sub.4-x, which is deposited on a substrate of MgO or SrTiO.sub.3, with the outer surface of the high-temperature superconducting thin film being covered with a protective crystalline film of SrTiO.sub.3.

摘要翻译： 选自由以下组成的组的复合氧化物的高温超导薄膜：Y1Ba2Cu3O7-x，Ho1Ba2Cu3O7-x，Lu1Ba2Cu3O7-x，Sm1Ba2Cu3O7-x，Nd1Ba2Cu3O7-x，Gd1Ba2Cu3O7-x，Eu1Ba2Cu3O7-x，Er1Ba2Cu3O7-x，Dy1Ba2Cu3O7 -x，Tm1Ba2Cu3O7-x，Yb1Ba2Cu3O7-x，La1Ba2Cu3O7-x，（La，Sr）2CuO4-x，其被沉积在MgO或SrTiO 3的衬底上，高温超导薄膜的外表面被覆盖 SrTiO3的保护性结晶膜。