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    Method of manufacturing diesel engine valves
    1.
    发明授权
    Method of manufacturing diesel engine valves 失效
    制造柴油机阀门的方法

    公开(公告)号：US06193822B1

    公开(公告)日：2001-02-27

    申请号：US09099205

    申请日：1998-06-18

    申请人： Tomotaka Nagashima ,  Michio Okabe ,  Toshiharu Noda

    发明人： Tomotaka Nagashima ,  Michio Okabe ,  Toshiharu Noda

    IPC分类号： C22F100

    CPC分类号： F01L3/02

    摘要： Disclosed is a method of manufacturing a diesel engine valve for intake and exhaust having good corrosion resistance and increased valve face strength, and therefore, of improved durability. A Ni-base heat resistant alloy of strong precipitation hardening type or an Fe-base heat resistant alloy of the same type is used as the material. The method comprises hot forging to prepare a blank form of the valve to be manufactured, solution treatment, cold processing to form the face part, and age-treating for increasing the hardness of the face part.

    摘要翻译： 公开了一种制造具有良好的耐腐蚀性和增加的阀面强度的进排气的柴油发动机阀的方法，因此具有改进的耐久性。 使用强沉淀硬化型Ni基耐热合金或相同类型的Fe基耐热合金作为材料。 该方法包括热锻，以制备要制造的阀的空白形式，固溶处理，冷加工以形成面部部件，以及用于增加面部部件的硬度的老化处理。

    Parts of electronic devices made of ferritic free cutting stainless steel
    5.
    发明授权
    Parts of electronic devices made of ferritic free cutting stainless steel 有权
    电子元器件由铁素体自由切削不锈钢制成

    公开(公告)号：US6033625A

    公开(公告)日：2000-03-07

    申请号：US187041

    申请日：1998-11-06

    申请人： Tomotaka Nagashima ,  Michio Okabe

    发明人： Tomotaka Nagashima ,  Michio Okabe

    IPC分类号： C22C38/00 ,  C22C38/18 ,  C22C38/22 ,  C22C38/60

    CPC分类号： C22C38/22 ,  C22C38/18 ,  C22C38/60

    摘要： Improved parts of electronic apparatus made of ferritic free cutting steel, which enjoy high precision in size given by good machinability and free from trouble caused by corrosion of metal due to generation of sulfides. The material steel has an alloy composition consisting essentially of, by weight %, C: up to 0.1%, Si: up to 2.0%, Mn: up to 2.0%, Cr: 19-25% and S: 0.20-0.35% and the balance of Fe and impurities. The parts made by machining can be used without being passivated. The steel may contain, further to the above alloy components, one or more from the following groups: 1) Mo: up to 4.0%; 2) one or more of Pb: up to 0.4%, Bi: up to 0.3%, Te: up to 0.3%, Se: up to 0.4% and Ca: up to 0.3%; 3) one or both of B and Mg: 0.001-0.02%; 4) one or both of Cu and Ni: 0.1-4.0%; 5) one or more of Nb, Ta, Ti, V, W and Al: 0.01-0.50%; and 6) O: 0.01-0.04%.

    摘要翻译： 由铁素体自由切削钢制成的电子设备的改进部件，由于良好的机械加工性而具有高精度的尺寸，并且没有由于硫化物的产生而导致的金属腐蚀的麻烦。 材料钢具有基本上由C：至多0.1％，Si：至多2.0％，Mn：至多2.0％，Cr：19-25％和S：0.20-0.35％的重量％，以及 余量为Fe和杂质。 通过加工制成的零件可以在不被钝化的情况下使用。 钢可以进一步包含以下组合中的一种或多种：1）Mo：至多4.0％; 2）Pb中的一种或多种：高达0.4％，Bi：高达0.3％，Te：高达0.3％，Se：高达0.4％，Ca：高达0.3％; 3）B和Mg中的一种或两种：0.001-0.02％; 4）Cu和Ni中的一种或两种：0.1-4.0％; 5）Nb，Ta，Ti，V，W和Al中的一种或多种：0.01-0.50％; 和6）O：0.01-0.04％。

    Titanium alloy having good heat resistance and method of producing parts therefrom
    6.
    发明授权
    Titanium alloy having good heat resistance and method of producing parts therefrom 失效
    具有良好耐热性的钛合金及其制造方法

    公开(公告)号：US06284071B1

    公开(公告)日：2001-09-04

    申请号：US09261388

    申请日：1999-03-03

    申请人： Akihiro Suzuki ,  Toshiharu Noda ,  Michio Okabe

    发明人： Akihiro Suzuki ,  Toshiharu Noda ,  Michio Okabe

    IPC分类号： C22F118

    CPC分类号： C22F1/183 ,  C22C14/00

    摘要： A titanium alloy having improved heat resistance in addition to the inherent properties of lightness and corrosion resistance. The alloy consists essentially of, by weight %, Al: 5.0-7.0%, Sn: 3.0-5.0%, Zr: 2.5-6.0%, Mo: 2.0-4.0%, Si: 0.05-0.80%, C: 0.001-0.200%, O: 0.05-0.20%, optionally further one or two of Nb and Ta: 0.3-2.0%, and the balance of Ti and inevitable impurities. A method of producing parts from this alloy comprises subjecting the titanium alloy of the above described alloy composition to heat treatment at a temperature of &bgr;-region, combination of rapid cooling and slow cooling or combination of water quenching and annealing, hot processing in &agr;+&bgr; region, solution treatment and aging treatment.

    摘要翻译： 除耐酸性和耐腐蚀性的固有特性外，还具有耐热性提高的钛合金。 该合金主要由Al：5.0-7.0％，Sn：3.0-5.0％，Zr：2.5-6.0％，Mo：2.0-4.0％，Si：0.05-0.80％，C：0.001-0.200重量％组成 ％，O：0.05-0.20％，任选进一步的Nb和Ta中的一种或两种：0.3-2.0％，余量为Ti和不可避免的杂质。 从该合金制造零件的方法包括将上述合金组合物的钛合金在β区域的温度下进行热处理，快速冷却和缓慢冷却的组合或水淬和退火的组合，α+ β区，溶液处理和时效处理。

    TiAl turbine rotor and method of manufacturing
    7.
    发明授权
    TiAl turbine rotor and method of manufacturing 失效
    TiAl涡轮转子及其制造方法

    公开(公告)号：US6007301A

    公开(公告)日：1999-12-28

    申请号：US953249

    申请日：1997-10-17

    申请人： Toshiharu Noda ,  Michio Okabe ,  Takao Shimizu

    发明人： Toshiharu Noda ,  Michio Okabe ,  Takao Shimizu

    IPC分类号： B23K1/00 ,  F01D5/02 ,  F01D5/04 ,  F01D5/28 ,  B63H1/28

    CPC分类号： B23K1/0018 ,  F01D5/025 ,  F01D5/043 ,  F01D5/28 ,  B23K2201/04 ,  F05D2230/23 ,  F05D2300/133 ,  F05D2300/173

    摘要： A turbine rotor consisting of a wheel made of a TiAl alloy of good heat resistance and a rotor shaft made of a steel with good bonding strength is disclosed. As the shaft material a structural steel or a martensitic heat resistant steel is used. A TiAl turbine wheel made by precision casting is butted to the shaft with insertion of a brazing filler in the butted interfaces and stress of 0.01 kgf/mm.sup.2 or higher but lower than yield stress of the shaft is applied on the butted interfaces under heating by high frequency induction heating in atmosphere of an inert gas or a reducing gas to a temperature higher than the liquidus temperature of the brazing metal but not exceeding 100.degree. C. above the liquidus temperature. Turbine rotors with good accordance of the axes of the wheel and the shaft will be obtained by fitting a projection (or recess) and a recess (or projection) formed at the base of the wheel and the end of the shaft concentrically to the outer shape thereof, and by brazing the ring-shaped area outside the fitted parts.

    摘要翻译： 公开了一种涡轮转子，由具有良好耐热性的TiAl合金制成的车轮和由具有良好接合强度的钢制成的转子轴组成。 作为轴材料，使用结构钢或马氏体耐热钢。 通过精密铸造制成的TiAl涡轮机叶片在对接界面上插入钎焊料，并且在0.01kgf / mm2以上的应力下被接合到轴上，但低于在加热下的对接界面上的屈服应力高 在惰性气体或还原气体的气氛中进行高频感应加热至比钎焊金属的液相线温度高但不超过液相温度100℃以上的温度。 通过将形成在车轮的底部和轴的端部的突起（或凹部）和凹部（或凸起）同心地配合到外部形状来获得与车轮和轴的轴线良好一致的涡轮转子 并且通过将环形区域钎焊在装配部件的外部。

    Titanium alloy having good heat resistance and method of producing parts therefrom
    8.
    发明授权
    Titanium alloy having good heat resistance and method of producing parts therefrom 失效
    具有良好耐热性的钛合金及其制造方法

    公开(公告)号：US5922274A

    公开(公告)日：1999-07-13

    申请号：US996198

    申请日：1997-12-22

    申请人： Akihiro Suzuki ,  Toshiharu Noda ,  Michio Okabe

    发明人： Akihiro Suzuki ,  Toshiharu Noda ,  Michio Okabe

    IPC分类号： C22F1/00 ,  C22C14/00 ,  C22F1/18

    CPC分类号： C22F1/183 ,  C22C14/00

    摘要： A titanium alloy having improved heat resistance in addition to the inherent properties of lightness and corrosion resistance. The alloy consists essentially of, by weight %, Al: 5.0-7.0%, Sn: 3.0-5.0%, Zr: 2.5-6.0%, Mo: 2.0-4.0%, Si: 0.05-0.80%, C: 0.001-0.200%, O: 0.05-0.20%, optionally further one or two of Nb and Ta: 0.3-2.0%, and the balance of Ti and inevitable impurities. A method of producing parts from this alloy comprises subjecting the titanium alloy of the above described alloy composition to heat treatment at a temperature of .beta.-region, combination of rapid cooling and slow cooling or combination of water quenching and annealing, hot processing in .alpha.+.beta. region, solution treatment and aging treatment.

    摘要翻译： 除耐酸性和耐腐蚀性的固有特性外，还具有耐热性提高的钛合金。 该合金主要由Al：5.0-7.0％，Sn：3.0-5.0％，Zr：2.5-6.0％，Mo：2.0-4.0％，Si：0.05-0.80％，C：0.001-0.200重量％组成 ％，O：0.05-0.20％，任选进一步的Nb和Ta中的一种或两种：0.3-2.0％，余量为Ti和不可避免的杂质。 从该合金制造部件的方法包括将上述合金组成的钛合金在β-区域的温度下进行热处理，快速冷却和缓慢冷却的组合或水淬和退火的组合，α+ β区，溶液处理和时效处理。