利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

45 条记录 (耗时 0.032 秒)

    Heat resistant and wear resistant iron-base sintered alloy
    1.
    发明授权
    Heat resistant and wear resistant iron-base sintered alloy 失效
    耐磨耐磨铁基烧结合金

    公开(公告)号：US4844024A

    公开(公告)日：1989-07-04

    申请号：US213868

    申请日：1988-06-30

    申请人： Akira Fujiki ,  Yoshiteru Yasuda ,  Ichiro Tanimoto ,  Hiroyuki Endo ,  Yutaka Ikenoue ,  Keitaro Suzuki

    发明人： Akira Fujiki ,  Yoshiteru Yasuda ,  Ichiro Tanimoto ,  Hiroyuki Endo ,  Yutaka Ikenoue ,  Keitaro Suzuki

    IPC分类号： C22C38/00 ,  C22C33/02 ,  C22C38/32 ,  F01L3/02 ,  F01L3/22

    CPC分类号： C22C33/0278 ,  C22C33/0292 ,  F01L3/02 ,  F01L3/22

    摘要： A heat resistant and wear resistant iron-base sintered alloy to be used as the material of a valve seat and a valve face of an engine valve and a waste gate valve of a turbocharger for an internal combustion engine. The iron-base sintered alloy consists essentially of at least one of molybdenum and tungsten, ranging from 3 to 25% by weight, chromium ranging from 1 to 10% by weight, silicon ranging from 0.1 to 0.9% by weight, manganese ranging not more than 0.7% by weight, phosphorus ranging not more than 0.05% by weight, carbon ranging from 0.1 to 2.5% by weight, boron ranging from 0.5 to 2.0% by weight, intermetallic compound of TiAl ranging from 0.3 to 20% by weight, and balance including iron and impurities. In the sintered alloy, carbide, boride and/or carbide boride and TiAl are uniformly dispersed in the matrix, thereby strengthening grain boundary.

    摘要翻译： 用作内燃机的涡轮增压器的发动机阀的阀座和阀面的阀面和废气闸阀的耐热耐磨铁基烧结合金。 铁基烧结合金基本上由钼和钨中的至少一种组成，范围为3至25重量％，铬为1至10重量％，硅为0.1至0.9重量％，锰不超过 0.7重量％以下的磷，0.05重量％以下的碳，0.1〜2.5重量％的碳，0.5〜2.0重量％的硼，TiAl的金属间化合物的0.3〜20重量％，以及 平衡包括铁和杂质。 在烧结合金中，碳化物，硼化物和/或碳化物硼化物和TiAl均匀分散在基体中，从而加强晶界。

    Sintered ferro alloy having heat and wear resistance and process for making
    2.
    发明授权
    Sintered ferro alloy having heat and wear resistance and process for making 失效
    具有耐热和耐磨性的烧结铁合金和制造方法

    公开(公告)号：US4966626A

    公开(公告)日：1990-10-30

    申请号：US373053

    申请日：1989-06-28

    申请人： Akira Fujiki ,  Yoshiteru Yasuda ,  Hiroyuki Endo ,  Yutaka Ikenoue ,  Keitaro Suzuki

    发明人： Akira Fujiki ,  Yoshiteru Yasuda ,  Hiroyuki Endo ,  Yutaka Ikenoue ,  Keitaro Suzuki

    IPC分类号： C22C33/02 ,  C22C38/00 ,  C22C38/56 ,  F01L3/22 ,  F02F7/00

    CPC分类号： C22C33/0278 ,  C22C33/0292 ,  F01L3/22 ,  F02F7/0085

    摘要： A sintered ferro alloy comprises 5 to 25 wt % of one or two elements selected from Mo and W, 2 to 10 wt % of Cr, 0.1 to 0.9 wt % of Si, less than or equal to 0.7 wt % of Mn, less than or equal to 0.05 wt % of P, 0.5 to 2.0 wt % of C, 0.5 to 2.0 wt % of B, 0.1 to 7.0 wt % of at least one element selected from borides of La, Ce, Nd, Sm, Eu, Gd, Yb, Y or Sc, residual Fe, and contaminants. Also the alloy may comprise less than or equal to 20 wt % of at least one element selected from V, Nb, Ta, Ti, Zr, Hf, Co or Ni, if necessary. The alloy is produced by mixing the above mentioned components and pressurizing them in an Fe matrix, then sintering the pressurized mixture at 1150.degree. C. to 1260.degree. C. for 60 min. and reheating after sintering. This alloy has wear and heat resistance and can be utilized as valve seats for internal combustion engines in automotive vehicles.

    摘要翻译： 烧结铁合金包含5至25重量％的选自Mo和W的一种或两种元素，2至10重量％的Cr，0.1至0.9重量％的Si，小于或等于0.7重量％的Mn，小于 或0.05重量％的P，0.5〜2.0重量％的C，0.5〜2.0重量％的B，0.1〜7.0重量％的选自La，Ce，Nd，Sm，Eu，Gd中的至少一种元素 ，Yb，Y或Sc，残留的Fe和污染物。 此外，如果需要，合金可以包含小于或等于20重量％的至少一种选自V，Nb，Ta，Ti，Zr，Hf，Co或Ni的元素。 该合金通过混合上述组分并在Fe基体中加压制备，然后在1150℃至1260℃下将加压混合物烧结60分钟。 并在烧结后重新加热。 该合金具有耐磨性和耐热性，可用作汽车内燃机的阀座。

    High temperature wear resistant sintered alloy
    3.
    发明授权
    High temperature wear resistant sintered alloy 失效
    耐高温耐磨烧结合金

    公开(公告)号：US4919719A

    公开(公告)日：1990-04-24

    申请号：US237038

    申请日：1988-08-29

    申请人： Makoto Abe ,  Ichiro Tanimoto ,  Akira Fujiki ,  Keitaro Suzuki ,  Hiroyuki Endo ,  Yutaka Ikenoue

    发明人： Makoto Abe ,  Ichiro Tanimoto ,  Akira Fujiki ,  Keitaro Suzuki ,  Hiroyuki Endo ,  Yutaka Ikenoue

    IPC分类号： C22C33/02 ,  C22C38/00 ,  C22C38/12 ,  C22C38/44 ,  F01L3/04 ,  F02B1/04

    CPC分类号： F01L3/04 ,  C22C33/0285 ,  F02B1/04

    摘要： A high temperature wear resistant sintered alloy suitable for the material of a valve seat in an automotive vehicle engine. The matrix of the sintered alloy consists essentially of carbon ranging from 0.45 to 1.15% by weight, nickel ranging from 5.4 to 27% by weight, molybdenum ranging form 0.4 to 2.7% by weight, cobalt ranging from 4.2 to 7.2% by weight and balance being substantially iron. The matrix is formed of a mixture of at least one of sorbite structure and bainite structure and austenite structure. Furthermore, the matrix includes hard phase dispersed therein and containing at least silicon, molybdenum and cobalt. The sintered alloy of such a structure can exhibit high strength and wear resistance at high temperatures regardless of type of engine and kind of fuel in case of being used as the material of the valve seat, while maintaining production cost thereof lower.

    摘要翻译： 适用于汽车发动机的阀座材料的高温耐磨烧结合金。 烧结合金的基体主要由碳组成，其重量范围为0.45-1.15重量％，镍含量为5.4至27重量％，钼范围为0.4至2.7重量％，钴为4.2至7.2重量％，余量为 基本上是铁的。 该基质由索氏体结构和贝氏体组织中的至少一种与奥氏体组织的混合物形成。 此外，基质包括分散在其中的硬相，并且至少含有硅，钼和钴。 这种结构的烧结合金在用作阀座的材料的情况下，不管发动机和燃料种类如何，在高温下都能表现出高的强度和耐磨性，同时保持其生产成本更低。

    Process for producing antimony pentaoxide
    6.
    发明授权
    Process for producing antimony pentaoxide 失效
    生产五氧化锑的方法

    公开(公告)号：US07897138B2

    公开(公告)日：2011-03-01

    申请号：US11575698

    申请日：2005-09-15

    申请人： Teruyuki Koshi ,  Makoto Kawashima ,  Keitaro Suzuki

    发明人： Teruyuki Koshi ,  Makoto Kawashima ,  Keitaro Suzuki

    IPC分类号： C01G3/00 ,  B01F3/12

    CPC分类号： C01G30/005 ,  B82Y30/00 ,  C01P2004/64 ,  C01P2006/80

    摘要： The invention relates to a process for producing diantimony pentoxide having a high oxidation purity.A process for producing an aqueous sol of diantimony pentoxide, which comprises mixing diantimony trioxide (Sb2O3) and an aqueous hydrogen peroxide solution in an aqueous medium, and after the temperature has reached from 50 to 80° C., reacting the diantimony trioxide with the aqueous hydrogen peroxide solution while keeping the reaction temperature at a level not higher by at least 10° C. than a desired set temperature in the temperature range, to thereby obtain a sol having dispersed in the aqueous medium diantimony pentoxide particles which have a primary particle size of from 2 to 50 nm and which have a diantimony trioxide/diantimony pentoxide weight ratio of not higher than 5 wt %.

    摘要翻译： 本发明涉及氧化纯度高的五氧化二锑生产方法。 一种生产五氧化二锑的水性溶胶的方法，其包括在水性介质中混合三氧化二锑（Sb 2 O 3）和过氧化氢水溶液，并且在温度达到50〜80℃后，使三氧化二锑与 过氧化氢水溶液，同时将反应温度保持在不高于所述温度范围内所需设定温度的至少10℃的水平，从而获得分散在水性介质中的溶胶，所述二氧化二锑颗粒具有初级颗粒 具有2至50nm的尺寸，并且其具有不高于5wt％的三氧化二锑/二氧化二锑重量比。

    Silica-magnesium fluoride hydrate composite sols and process for their preparation
    7.
    发明授权
    Silica-magnesium fluoride hydrate composite sols and process for their preparation 失效
    二氧化硅 - 氟化镁水合物复合溶胶及其制备方法

    公开(公告)号：US06291535B1

    公开(公告)日：2001-09-18

    申请号：US09455928

    申请日：1999-12-07

    申请人： Yoshitane Watanabe ,  Keitaro Suzuki ,  Osamu Tanegashima ,  Yoshinari Koyama

    发明人： Yoshitane Watanabe ,  Keitaro Suzuki ,  Osamu Tanegashima ,  Yoshinari Koyama

    IPC分类号： B01F312

    CPC分类号： B82Y30/00 ,  C01B33/14 ,  C01F5/28 ,  C01P2004/50 ,  C01P2004/64

    摘要： A sol comprising silica-magnesium fluoride hydrate composite colloidal particles used in an anti-reflection coating material for forming an anti-reflection coating and a process for its preparation are provided. A sol comprising silica-magnesium fluoride hydrate composite colloidal particles having a ratio of silica to magnesium fluoride hydrate MgF2.nH2O, n being in the range between 0.25 and 0.5, in terms of a SiO2/MgF2 weight ratio of from 0.01 to 5 and a primary particle size of 5 to 50 nm. A process for the preparation of an aqueous sol comprising silica-magnesium fluoride hydrate composite colloidal particles which comprises the steps of adding an aqueous fluoride solution to a mixture liquid of a silica sol and an aqueous magnesium salt solution to produce a slurry of an agglomerate comprising silica-magnesium fluoride hydrate composite colloidal particles and removing the salts formed as by-products. A process for the preparation of an organosol further comprising the step of replacing water in the aqueous sol with an organic solvent.

    摘要翻译： 提供一种包含用于形成抗反射涂层的防反射涂层材料中的二氧化硅 - 氟化镁水合物复合胶体颗粒及其制备方法。 包含二氧化硅 - 氟化镁水合物复合胶体粒子的溶胶，SiO 2 / MgF 2重量比为0.01〜5，二氧化硅与氟化镁水合物的比例为MgF 2·nH 2 O，n为0.25〜0.5的范围， 一次粒径为5〜50nm。 一种制备包含二氧化硅 - 氟化镁水合物复合胶体颗粒的水性溶胶的方法，包括以下步骤：向二氧化硅溶胶和镁盐水溶液的混合液中加入氟化钠水溶液，以产生附聚物的浆料，其包含 二氧化硅 - 氟化镁水合物复合胶体颗粒并除去作为副产物形成的盐。 一种制备有机溶胶的方法，还包括用有机溶剂代替水溶胶中的水的步骤。

    Coating compositions employing zinc antimonate anhydride particles
    8.
    发明授权
    Coating compositions employing zinc antimonate anhydride particles 失效
    使用锑酸锌酸酐颗粒的涂料组合物

    公开(公告)号：US5906679A

    公开(公告)日：1999-05-25

    申请号：US939202

    申请日：1997-09-29

    申请人： Yoshitane Watanabe ,  Keitaro Suzuki ,  Yoshinari Koyama

    发明人： Yoshitane Watanabe ,  Keitaro Suzuki ,  Yoshinari Koyama

    IPC分类号： C01G30/02 ,  C09K3/16 ,  C09K21/02 ,  C09D1/00 ,  C08K3/10 ,  C09D5/18 ,  C09K21/00

    CPC分类号： B82Y30/00 ,  C01G30/02 ,  C09K21/02 ,  C09K3/16 ,  C01P2002/72 ,  C01P2004/04 ,  C01P2004/10 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/22 ,  C01P2006/40 ,  C01P2006/60 ,  C01P2006/82 ,  Y10S524/911

    摘要： The invention relates to coating compositions employing zinc antimonate anhydride comprising zinc antimonate anhydride particles and a liquid of a part-hydrolyzed silane coupling agent, a liquid of hydrolyzed ethylsilicate, a liquid of hydrolyzed methylsilicate, or a resin emulsion. The zinc antimonate anhydride particle having a ZnO/Sb.sub.2 O.sub.5 molar ratio in a range of from 0.8 to 1.2, a crystal structure of zinc antimonate anhydride (Zn Sb.sub.2 0.sub.5), and a primary particle size in a range of from 5 to 500 nm. The particle production method comprises the steps of mixing a zinc compound with a colloidal antimony oxide at a ZnO/Sb.sub.2 O.sub.5 molar rate in a range of from 0.8 to 1.2, followed by calcining the mixture within a temperature range of from 500 to 1100.degree. C. The particles are applicable as a flame retardant for plastics, a smoke suppressant, antistatic agent for plastics and glasses, and resistor.

    摘要翻译： 本发明涉及使用包含锑酸锌酸酐颗粒和部分水解的硅烷偶联剂的液体，水解的硅酸乙酯的液体，水解的甲基硅酸的液体或树脂乳液的锑酸锌酸酐的涂料组合物。 ZnO / Sb 2 O 5摩尔比为0.8〜1.2的锑酸锌酸酐粒子，锑酸锌酸酐（Zn Sb 2 O 5）的结晶结构，一次粒径为5〜500nm。 粒子的制造方法包括以0.5〜1.2的ZnO / Sb 2 O 5摩尔比混合锌化合物和胶态氧化锑，然后在500〜1100℃的温度范围内煅烧。 该颗粒可用作塑料阻燃剂，防烟剂，塑料和眼镜用抗静电剂和电阻剂。