Free cutting alloy
    1.
    发明申请
    Free cutting alloy 失效
    自由切割合金

    公开(公告)号:US20050000602A1

    公开(公告)日:2005-01-06

    申请号:US10847403

    申请日:2004-05-18

    摘要: Provided is free cutting alloy excellent in machinability, preserving various characteristics as alloy. The free cutting alloy contains: one or more of Ti and Zr as a metal element component; and C being an indispensable element as a bonding component with the metal element component, wherein a (Ti,Zr) based compound including one or more of S, Se and Te is formed in a matrix metal phase. The free cutting alloy is more excellent in machinability, preserving various characteristics as alloy at similar levels to a conventional case. The effect is especially conspicuous, for example, when a compound expressed in a chemical form of (Ti,Zr)4C2(S,Se,Te)2 as the (Ti,Zr) based compound is formed at least in a dispersed state in the alloy structure.

    摘要翻译: 提供了切削加工性优良的自由切削合金,保留了合金的各种特性。 自由切削合金含有:作为金属元素成分的Ti和Zr中的一种或多种; C是作为与金属成分的结合成分的不可缺少的元素,其中,在基体金属相中形成包含S,Se,Te中的一种以上的(Ti,Zr)系化合物。 自由切削合金的机械加工性更优异,与常规的情况相同地保持作为合金的各种特性。 该效果特别显着,例如,当以(Ti,Zr)4C2(S,Se,Te)2的化学形式表示的(Ti,Zr)基化合物的化合物至少以分散状态形成时, 合金结构。

    Stainless cast steel having good heat resistance and good machinability
    2.
    发明授权
    Stainless cast steel having good heat resistance and good machinability 有权
    不锈钢铸钢具有良好的耐热性和良好的机械加工性能

    公开(公告)号:US06685881B2

    公开(公告)日:2004-02-03

    申请号:US09956108

    申请日:2001-09-20

    IPC分类号: C22C3844

    摘要: Disclosed is an austenitic stainless cast steel which has such a good heat resistance as can be used at a high temperature higher than 950° C. and a good machinability. The stainless cast steel consists essentially of, by weight %, C: 0.2-0.4%, Si: 0.5-2.0%, Mn: 0.5-2.0%, P: up to 0.10%, S: 0.04-0.2%, Ni: 8.0-42.0%, Cr: 15.0-28.0%, W: 0.5-7.0%, Nb: 0.5-2.0%, Al: up to 0.02%, Ti: up to 0.05%, N: up to 0.15%, Se: 0.001-0.50% and the balance of Fe and inevitable impurities.

    摘要翻译: 公开了一种奥氏体不锈钢铸钢,其具有如在高于950℃的高温下可使用的良好的耐热性和良好的机械加工性。 不锈铸钢基本上由重量%C:0.2-0.4%,Si:0.5-2.0%,Mn:0.5-2.0%,P:至多0.10%,S:0.04-0.2%,Ni:8.0 -42.0%,Cr:15.0〜28.0%,W:0.5〜7.0%,Nb:0.5〜2.0%,Al:0.02%以下,Ti:0.05%以下,N:0.15%以下,Se: 0.50%,余量为Fe和不可避免的杂质。

    TiAl turbine rotor and method of manufacturing
    3.
    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

    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。

    Nickel-based heat-resistant alloy
    5.
    发明授权
    Nickel-based heat-resistant alloy 失效
    镍基耐热合金

    公开(公告)号:US06921442B2

    公开(公告)日:2005-07-26

    申请号:US10399916

    申请日:2001-10-24

    IPC分类号: C22C19/03 C22C19/05 C22C30/00

    摘要: The present invention relates to a Ni base alloy having sufficient strength at high temperatures and high corrosion resistance at high temperatures in a high-temperature composite corrosive environment in which chlorination or sulfidation occurs simultaneously with high-temperature oxidation, without excessive cooling or surface protection. According to the present invention, a Ni base alloy having high-temperature strength and corrosion resistance includes Cr in a range of from 25 to 40 weight %, Al in a range of from 1.5 to 2.5 weight %, C in a range of from 0.1 to 0.5 weight %, W of 15 weight % or less, Mn of 2.0 weight % or less, Si in a range of from 0.3 to 6 weight %, Fe of 5% or less, and Ni of rest except inevitable impurities. When strength at high temperatures is allowed to be small, W is in a range of from 0 to 8%, and Si is in a range of from 0.3 to 1% or from 1 to 6%. In order to enhance strength at high temperatures, W is in a range of from 8 to 15, and Si is in a range of from 0.3 to 1% or from 1 to 6%.

    摘要翻译: 本发明涉及在高温复合腐蚀环境中高温下具有足够的强度和高耐蚀性的Ni基合金,其中氯化或硫化与高温氧化同时发生,而没有过多的冷却或表面保护。 根据本发明,具有高温强度和耐腐蚀性的Ni基合金包括Cr在25至40重量%的范围内,Al在1.5至2.5重量%的范围内,C在0.1的范围内 至0.5重量%,W为15重量%以下,Mn为2.0重量%以下,Si为0.3〜6重量%,Fe为5%以下,除了不可避免的杂质以外的Ni。 当高温下的强度变小时,W在0〜8%的范围内,Si在0.3〜1%的范围或1〜6%的范围。 为了提高高温下的强度,W为8〜15,Si为0.3〜1%,1〜6%的范围。

    Method of manufacturing diesel engine valves
    6.
    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

    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。

    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

    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。

    Precipitation hardening stainless steels
    9.
    发明授权
    Precipitation hardening stainless steels 失效
    沉淀硬化不锈钢

    公开(公告)号:US5630983A

    公开(公告)日:1997-05-20

    申请号:US640122

    申请日:1996-04-30

    CPC分类号: C22C38/48 C22C38/42

    摘要: A precipitation hardening stainless steel, which is excellent in cold workability at a solution treated state and good in proof stress after overaging treatment, consists essentially of C.ltoreq.0.010, Ni 0.010.about.0.025% (provided C+N.ltoreq.0.025%), Si.ltoreq.1.0%, Mn.ltoreq.1.2%, P.ltoreq.0.040%, S.ltoreq.0.030%, Cu: 3.0.about.5.0%, Ni: 3.0.about.4.65%, Cr: 13.0.about.16.5%, Mo.ltoreq.1.0%, Nb: (-11.43 (C+N)+0.6).about.0.5% and the balance Fe on condition that452 (C+N)+11.1 (Ni+Mn).ltoreq.73.1.

    摘要翻译: 在溶解处理状态下的冷加工性优异且过时效处理后的耐应力性好的析出硬化不锈钢基本上由C 0.010,Ni 0.010差0.025%(提供C + N <0.025% ),Si <1.0%,Mn≤1.2%,P <= 0.040%,S <= 0.030%,Cu:3.0差异5.0%,Ni:3.0差异4.65%,Cr:13.0差异16.5% ,Mo = 1.0%,Nb:(-11.43(C + N)+0.6)差异为0.5%,余量为Fe,条件为452(C + N)+11.1(Ni + Mn)为73.1。