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    • 5. 发明授权
    • Nickel-based alloy with chromium, molybdenum and tantalum
    • 镍铬合金与铬,钼和钽
    • US5529642A
    • 1996-06-25
    • US308424
    • 1994-09-19
    • Katsuo SugaharaHideo KitamuraSaburo WakitaKoji ToyokuraYoshio TakizawaTsutomu Takahashi
    • Katsuo SugaharaHideo KitamuraSaburo WakitaKoji ToyokuraYoshio TakizawaTsutomu Takahashi
    • C22C19/05C22C19/07
    • C22C19/053
    • A nickel-based alloy which is excellent not only in anti-corrosion properties but also in workability is disclosed. The alloy contains 15 to 35 weight % of chromium; 6 to 24 weight % of molybdenum; wherein the sum of chromium plus molybdenum is no greater than 43 weight %; 1.1 to 8 weight % of tantalum; and balance nickel and unavoidable impurities. The alloy may optionally include no greater than 0.1 weight % of nitrogen; no greater than 0.3 weight % of magnesium, no greater than 3 weight % of manganese, no greater than 0.3 weight % of silicon, no greater than 0.1 weight % of carbon, no greater than 6 weight % of iron, no greater than 0.1 weight % of zirconium, no greater than 0.01 weight % of calcium, no greater than 1 weight % of niobium, no greater than 4 weight % of tungsten, no greater than 4 weight % of copper, no greater than 0.8 weight % of titanium, no greater than 0.8 weight % of aluminum, no greater than 5 weight % of cobalt, no greater than 0.5 weight % of vanadium, no greater than 2 weight % of hafnium, no greater than 3 weight % of rhenium, no greater than 1 weight % of osmium, no greater than 1 weight % of platinum, no greater than 1 weight % of ruthenium, no greater than 1 weight % of palladium, no greater than 0.1 weight % of lanthanum, no greater than 0.1 weight % of cerium, or no greater than 0.1 weight % of yttrium.
    • 公开了一种镍基合金,其不仅具有优异的耐腐蚀性,而且在加工性方面也是优异的。 该合金含有15〜35重量%的铬; 6〜24重量%的钼; 其中铬和钼的总和不大于43重量%; 1.1〜8重量%的钽; 并平衡镍和不可避免的杂质。 合金可以任选地包括不大于0.1重量%的氮; 不大于0.3重量%的镁,不大于3重量%的锰,不大于0.3重量%的硅,不大于0.1重量%的碳,不大于6重量%的铁,不大于0.1重量% 的锆,不大于0.01重量%的钙,不大于1重量%的铌,不大于4重量%的钨,不大于4重量%的铜,不大于0.8重量%的钛,不 大于0.8重量%的铝,不超过5重量%的钴,不大于0.5重量%的钒,不大于2重量%的铪,不大于3重量%的铼,不大于1重量% 的锇,不大于1重量%的铂,不大于1重量%的钌,不大于1重量%的钯,不大于0.1重量%的镧,不大于0.1重量%的铈,或不 大于0.1重量%的钇。
    • 6. 发明授权
    • Hydrogen occluding alloy
    • 吸氢合金
    • US5900334A
    • 1999-05-04
    • US852356
    • 1997-05-07
    • Masahiro WadaYoshio Takizawa
    • Masahiro WadaYoshio Takizawa
    • C22F1/02H01M4/38H01M4/58
    • C22F1/02H01M4/383Y10S420/90
    • The present invention provides a hydrogen occluding alloy exhibiting high hydrogen absorption and desorption rates, and excellent initial activation in practical use, and a method of making it. There is provided a hydrogen occluding alloy having a composition comprising, by wt %, 32 to 38% of rare earth elements essentially consisting of La and/or Ce, 0.5 to 3.5% of Al, 0.5 to 10% of Mn, 0.005 to 0.5% of hydrogen, optionally 0.1 to 17% of Co, and the balance being Ni and unavoidable impurities; wherein the alloy has a microstructure characterized in that fine rare earth element hydride is dispersively distributed in a matrix having a CaCu.sub.5 -type crystal structure in a ratio of 0.5 to 20% by area. There are also provided electrodes and batteries containing such alloys, and methods of making and using such electrodes and batteries.
    • 本发明提供一种在实际应用中显示出高的吸氢和解吸速率,优异的初始活化的吸氢合金及其制造方法。 提供了一种组合物,其具有以重量%计含有基本上由La和/或Ce组成的稀土元素为32〜38%,Al为0.5〜3.5%,Mn为0.5〜10%,0.005〜0.5的组成的吸氢合金 的氢气,任选地0.1〜17%的Co,余量为Ni和不可避免的杂质; 其特征在于,所述合金的特征在于,细小的稀土元素氢化物以0.5〜20的面积比例分散分布在具有CaCu 5型结晶结构的基体中。 还提供了含有这种合金的电极和电池,以及制造和使用这种电极和电池的方法。
    • 8. 发明授权
    • Developing roller and developing apparatus
    • 显影辊和显影装置
    • US5903808A
    • 1999-05-11
    • US714323
    • 1996-09-18
    • Yoshio TakizawaKoji TakagiTakahiro Kawagoe
    • Yoshio TakizawaKoji TakagiTakahiro Kawagoe
    • G03G15/08G03G13/16
    • G03G15/0818G03G2215/0861
    • A developing roller is adapted to carry a developer on its surface and come in contact with or close to a photoconductor drum having an electrostatic latent image borne on its surface whereby the developer is supplied to the drum to visualize the latent image. The developing roller includes a highly conductive shaft and an elastic layer with conductivity formed around the shaft. The elastic layer is surface treated so as to have a resin component which contains a urea resin and/or melamine resin. The roller satisfies log(R.sub.2 /R.sub.1).ltoreq.4.5 wherein the untreated roller has a resistance R.sub.1 and the roller with the resin component has a resistance R.sub.2. The developing roller does not contaminate the photoconductor drum and ensures that images of quality are reproduced without a density variation and background fog over a long time.
    • 显影辊适于在其表面上承载显影剂并与其表面上具有静电潜像的感光鼓接触或靠近,由此显影剂被供应到滚筒以使潜像可视化。 显影辊包括高导电轴和在轴周围形成导电性的弹性层。 对弹性层进行表面处理以具有包含脲醛树脂和/或三聚氰胺树脂的树脂成分。 辊子满足​​log(R2 / R1)≤4.5,其中未处理的辊具有电阻R1,并且具有树脂成分的辊具有电阻R2。 显影辊不会污染感光鼓,并确保质量图像在长时间没有密度变化和背景雾的情况下再现。