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    • 2. 发明授权
    • Ferritic Fe-Cr-Ni-Al alloy having exellent oxidation resistance and high strength and a plate made of the alloy
    • 具有耐氧化性和高强度的铁素体Fe-Cr-Ni-Al合金和由合金制成的板
    • US06692585B2
    • 2004-02-17
    • US10000079
    • 2001-12-04
    • Toshihiro UeharaYoshihiro MinagiKenichi Inoue
    • Toshihiro UeharaYoshihiro MinagiKenichi Inoue
    • C22C3850
    • C22C38/50C22C38/004C22C38/06
    • Disclosed is a ferritic Fe—Cr—Ni—Al alloy having excellent oxidation resistance and high strength, which consists essentially of, by mass, 0.003 to 0.08% C, 0.03 to 2.0% Si, not more than 2.0% Mn, from more than 1.0% to not more than 8.0% Ni, from not less than 10.0% to less than 19.0% Cr, 1.5 to 8.0% Al, 0.05 to 1.0% Zr, and the balance of Fe and incidental impurities, wherein an F value is not less than 12% and an S value is not more than 25%, where the F value is defined by the following equation (1) and the S value is defined by the following equation (2): (1) F=−34.3C+0.48Si−0.012Mn−1.4Ni+Cr+2.48Al, and (2) S=Ni+Cr+Al. The Fe—Cr—Ni—Al alloy, after an annealing heat treatment at 600 to 1050° C., has 0.2% yield strength of 550 to 1,000 MPa by a tensile test at room temperature.
    • 公开了一种具有优异的抗氧化性和高强度的铁素体Fe-Cr-Ni-Al合金,其基本上由以下组成:质量为0.003至0.08%的C,0.03至2.0%的Si,不超过2.0%的Mn, 1.0%以上且8.0%以下的Ni,不低于10.0%至小于19.0%的Cr,1.5至8.0%的Al,0.05至1.0%的Zr,余量为Fe和杂质,其中F值不为 小于12%,S值不大于25%,其中F值由下式(1)定义,S值由下式(2)定义:(1)F = -34.3C + 0.48Si-0.012Mn-1.4Ni + Cr + 2.48Al,(2)S = Ni + Cr + Al。 Fe-Cr-Ni-Al合金在600〜1050℃的退火热处理后,在室温下进行拉伸试验,屈服强度为0.2〜0.2MPa。
    • 4. 发明授权
    • Electrode material for electrode of spark plug
    • 火花塞电极用电极材料
    • US08915226B2
    • 2014-12-23
    • US13404290
    • 2012-02-24
    • Taiji YokoyamaToshihiro Uehara
    • Taiji YokoyamaToshihiro Uehara
    • H01T13/20H01T13/39
    • H01T13/39
    • An electrode material to be used for producing an earth electrode of a spark plug has a chemical composition of 0.3 to 3.0 mass % of Si, 0.01 to 0.3 mass % of one or more elements selected from the group consisting of Y and rare earth elements, not more than 0.5 mass % of Ti, not more than 1.2 mass % of Fe, and one or both of not more than 0.20 mass % of Ca and not more than 0.08 mass % of Mg. The electrode material further contains C, Mn, Cr, Al, N, S, a remainder Ni, and incidental impurities. In a total content of C, Mn, Cr, Al, N and S, C is not more than 0.1 mass %, Mn is less than 0.5 mass %, Cr is less than 0.5 mass %, Al is not more than 0.3 mass %, N is not more than 0.05 mass %, and S is not more than 0.03 mass %.
    • 用于制造火花塞的接地电极的电极材料的化学成分为Si的0.3〜3.0质量%,0.01〜0.3质量%的选自Y和稀土元素的一种以上的元素, 不大于0.5质量%的Ti,不超过1.2质量%的Fe,以及不大于0.20质量%的Ca和不超过0.08质量%的Mg中的一种或两种。 电极材料还含有C,Mn,Cr,Al,N,S,剩余的Ni和杂质。 在C,Mn,Cr,Al,N和S的总含量中,C不大于0.1质量%,Mn小于0.5质量%,Cr小于0.5质量%,Al不大于0.3质量% N为0.05质量%以下,S为0.03质量%以下。
    • 8. 发明授权
    • Ni-based alloy improved in oxidation-resistance, high temperature strength and hot workability
    • Ni基合金的耐氧化性,耐高温性和热加工性提高
    • US06852177B2
    • 2005-02-08
    • US10322669
    • 2002-12-19
    • Satoshi KubotaToshihiro UeharaMotoi YamaguchiAkihiro Toji
    • Satoshi KubotaToshihiro UeharaMotoi YamaguchiAkihiro Toji
    • C22C19/05C22F1/10
    • C22C19/058C22C19/053C22C19/055C22C19/056C22F1/10
    • A nickel-based alloy is provided for provide parts and members of improved oxidation-resistance and high temperature strength for use in an oxidation atmosphere at high temperatures, such as automobile parts including an electrode for an ignition plug, power plant facility parts including a gas turbine nozzle, inner parts of heat treat furnaces, and fuel cell parts. The alloy improved in oxidation-resistance, high temperature strength and hot workability consists essentially of, in mass percentage, C: 0.003 to 0.1%, Si: 1.0% or less, Mn: 2.0% or less, Cr: 12 to 32%, Fe: 20% or less, Mg: 0.001 to 0.04%, at least one element, of not more than 2.5% in total, selected from the group consisting of Nb, Ta and V, impurity elements of S: 0.01% or less, but the ratio of the Mg-content to the S-content (Mg/S) being 1 or more, and Ti: 0 inclusive to 0.02%, and the rest being Ni and incidental impurities.
    • 提供了一种镍基合金,用于提供在高温下用于氧化气氛中的改善的耐氧化性和高温强度的部件和部件,例如包括用于火花塞的电极的汽车部件,包括气体的发电厂设备部件 涡轮喷嘴,热处理炉的内部部件和燃料电池部件。 该合金的耐氧化性,耐高温性和热加工性提高了质量百分比,基本上以C:0.003〜0.1%,Si:1.0%以下,Mn:2.0%以下,Cr:12〜32% Fe:20%以下,Mg:0.001〜0.04%,选自Nb,Ta和V中的至少一种不超过2.5%的元素,S:0.01%以下的杂质元素, 但Mg含量与S含量的比例(Mg / S)为1以上,Ti:0〜0.02%,其余为Ni及杂质。