公开(公告)号：US06358487B1

公开(公告)日：2002-03-19

申请号：US09297056

申请日：1999-06-22

申请人： Yoshihiro Omae ,  Nobutake Mise ,  Yutaka Fukuyama ,  Yuuichi Sekine ,  Takaharu Yamamoto ,  Hiroaki Takehara ,  Tsuyoshi Yamaguchi ,  Susumu Nakajima ,  Masanobu Ishida ,  Mamoru Nakayama ,  Hiroshi Maeda

发明人： Yoshihiro Omae ,  Nobutake Mise ,  Yutaka Fukuyama ,  Yuuichi Sekine ,  Takaharu Yamamoto ,  Hiroaki Takehara ,  Tsuyoshi Yamaguchi ,  Susumu Nakajima ,  Masanobu Ishida ,  Mamoru Nakayama ,  Hiroshi Maeda

IPC分类号： C09C150

CPC分类号： C09C1/50 ,  C01P2004/64 ,  C01P2006/10

摘要： A carbon black having an average particle size of at most 13 nm, Dmod of at most 80 nm, a D½/Dmod ratio of at most 0.6 and at least pH 5.

摘要翻译： 平均粒径为13nm以下，Dmod为80nm以下，D / Dmod比为0.6以下，至少为pH5的炭黑

公开(公告)号：US4279651A

公开(公告)日：1981-07-21

申请号：US974512

申请日：1978-12-28

申请人： Naoji Fujimori ,  Masaaki Tobioka ,  Tsuyoshi Asai ,  Takaharu Yamamoto ,  Masaya Miyake

发明人： Naoji Fujimori ,  Masaaki Tobioka ,  Tsuyoshi Asai ,  Takaharu Yamamoto ,  Masaya Miyake

IPC分类号： B22F3/10 ,  C04B37/02 ,  C22C1/05 ,  C22C29/00 ,  C22C29/02 ,  C22C29/16

CPC分类号： C22C29/00

摘要： The invention relates to a sintered hard metal having a high wear resistance and heat resistance as material for cutting tools and wear resistant tools and the method for producing the same. The sintered hard metal has a hard phase comprising a phase having a B-1 type crystal structure containing more than one kind of IVa, Va and VIa group metals in the Periodic Table and also the elements, carbon, nitrogen and oxygen and a WC phase, the hard phase and a bonding phase chiefly consisting of a ferrous metal which is sintered by a powder metallurgy technique, whereas the oxygen in particular is added thereto making it possible to obtain a sintered hard metal having said excellent properties.

摘要翻译： 本发明涉及具有高耐磨性和耐热性的烧结硬金属作为切削工具和耐磨工具的材料及其制造方法。 烧结硬质金属具有包含在周期表中含有多于一种IVa，Va和VIa族金属的B-1型晶体结构的相的硬相以及元素，碳，氮和氧以及WC相 硬质相和主要由通过粉末冶金技术烧结的黑色金属组成的结合相，特别是加入氧，使得可以获得具有优异性能的烧结硬质金属。

公开(公告)号：US4216009A

公开(公告)日：1980-08-05

申请号：US927904

申请日：1978-07-25

申请人： Masaya Miyake ,  Minol Nakano ,  Takaharu Yamamoto ,  Akio Hara

发明人： Masaya Miyake ,  Minol Nakano ,  Takaharu Yamamoto ,  Akio Hara

IPC分类号： B22F9/20 ,  B22F9/24 ,  C01B32/949 ,  C22C1/04 ,  C22C1/05 ,  C22C29/00

CPC分类号： B82Y30/00 ,  B22F9/20 ,  B22F9/24 ,  C01B31/34 ,  C22C1/045 ,  C22C1/055 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/84 ,  C01P2006/40 ,  C01P2006/80

摘要： The present invention relates to a process for the production of an alloy powder (Mo, W) for powder metallurgy, which comprises chemically or mechanically mixing molybdenum and tungsten in the form of compounds and reducing the mixed powder with hydrogen, and a process for the production of a hard solid solution (Mo, W)C from the alloy powder (Mo, W), which comprises carburizing the alloy powder (Mo, W).

摘要翻译： 本发明涉及一种用于生产粉末冶金的合金粉末（Mo，W）的方法，其包括化学或机械混合化合物形式的钼和钨并用氢还原混合粉末的方法 从合金粉末（Mo，W）生产硬质固溶体（Mo，W）C，其包括渗碳合金粉末（Mo，W）。

公开(公告)号：US4150195A

公开(公告)日：1979-04-17

申请号：US806880

申请日：1977-06-15

申请人： Masaaki Tobioka ,  Mitsuo Kodama ,  Minol Nakano ,  Takeshi Asai ,  Takaharu Yamamoto ,  Akio Hara

发明人： Masaaki Tobioka ,  Mitsuo Kodama ,  Minol Nakano ,  Takeshi Asai ,  Takaharu Yamamoto ,  Akio Hara

IPC分类号： B22F7/04 ,  B23B27/14 ,  C23C16/30 ,  C23C16/32 ,  C23C16/34 ,  C23C16/40 ,  C23C30/00

CPC分类号： B23B27/148 ,  B22F7/04 ,  C23C16/30 ,  C23C16/32 ,  C23C16/34 ,  C23C16/40 ,  C23C16/403 ,  C23C16/405 ,  C23C30/005 ,  Y10T428/12028 ,  Y10T428/12146 ,  Y10T428/12549 ,  Y10T428/12576

摘要： This invention relates to surface-coated cemented carbide articles having a monolayer or multilayer consisting of one or more materials selected from oxides, carbides, nitrides and mixtures or compounds thereof, the most interior layer, in contact with the surface of the cemented carbide substrate, consisting of one or more materials selected from carbides and carbonitrides of Group IVa, Va and VIa elements, wherein the thickness of a decarburized layer (.eta. phase) present between the cemented carbide substrate and most interior coating layer is 0.5 micron or less in a case where the curvature of the interface is zero and the lattice constant of the binder metal of the coated cemented carbide article, as a mean value from the interface to 50 microns, is not more than that of the iron group metal solid solution by 0.005 A or more.

摘要翻译： 本发明涉及具有由选自氧化物，碳化物，氮化物及其混合物或化合物的一种或多种材料组成的单层或多层的表面涂覆的硬质合金制品，与硬质合金基体的表面接触的最内层， 由选自Ⅳa族，Ⅴa和Ⅵa族元素的碳化物和碳氮化物的一种或多种材料组成，其中在硬质合金基底和最内部涂层之间存在的脱碳层（eta相）的厚度在0.5微米以下 其中界面的曲率为零，并且作为从界面到50微米的平均值的涂覆的硬质合金制品的粘合剂金属的晶格常数不大于铁族金属固溶体的晶格常数0.005A或 更多。

公开(公告)号：US4049876A

公开(公告)日：1977-09-20

申请号：US743212

申请日：1976-11-18

申请人： Takaharu Yamamoto ,  Toshio Nomura ,  Tsuyoshi Asai ,  Akio Hara

发明人： Takaharu Yamamoto ,  Toshio Nomura ,  Tsuyoshi Asai ,  Akio Hara

IPC分类号： C22C29/04 ,  B22F3/00 ,  C22C29/00

CPC分类号： C22C29/04 ,  Y10S428/932 ,  Y10T428/12021 ,  Y10T428/12146 ,  Y10T428/12576

摘要： This invention relates to a cemented carbonitride alloy in which the hard phase consists of[(Group IVa metal).sub.A (Group Va metal).sub.B (Group VIa metal).sub.C ]-(C.sub.X N.sub.Y).sub.Zwherein A, B, C, X and Y are respectively mole fractions, Z is a mole ratio of the metalloid components to the metal components and there are among A, B, C, X, Y and Z the relations ofA + B + C = 1, X + Y = 1,4a + 5b + 6c + 4xz + 5yz .gtoreq. 8.6,0.05 .ltoreq. y .ltoreq. 0.50 and 0.85 .ltoreq. Z .ltoreq. 1.0.the hard phase is combined by at least one binder metal from the iron group and there are in the alloy structure WC phase and the hard phase having the crystal structure B1 and containing Ti in a proportion of at least 20 atomic percent to the metallic atoms.

摘要翻译： 本发明涉及一种硬质合金，其中硬质相由[（Ⅳa族金属）A（ⅤB族金属）B（Ⅵa族金属）C] - （CXNY）Z组成，其中A，B，C，X和Y 分别为摩尔分数，Z为准金属组分与金属组分的摩尔比，A，B，C，X，Y和Z之间的关系为A + B + C = 1，X + Y = 1， 4A + 5B + 6C + 4XZ + 5YZ> / = 8。