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    • 91. 发明专利
    • Hydrogen storage alloy and manufacturing method therefor
    • 氢储存合金及其制造方法
    • JP2009155682A
    • 2009-07-16
    • JP2007333874
    • 2007-12-26
    • Toyota Motor Corpトヨタ自動車株式会社
    • SHINOSAWA TAMIOWASHIO KOTA
    • C22C27/02B22D27/04C22F1/00C22F1/18H01M8/04
    • Y02E60/50
    • PROBLEM TO BE SOLVED: To provide a hydrogen storage alloy which can enhance its durability, and to provide a manufacturing method therefor. SOLUTION: The hydrogen storage alloy comprises, by mass%, 5 to 10% Ti, 5 to 15% Cr, 70 to 89% V, 1 to 10% Mo and the balance unavoidable impurities, and has a high-Ti phase with a needle shape or a plate shape precipitated in a matrix. The method for manufacturing the hydrogen storage alloy comprises: a first step of preparing the alloy of a molten state, which has the above composition; a second step of cooling a mold, into which a molten metal has been poured, to 860°C in a period of time between 5 minutes and 15 minutes, after the first step; and a third step of cooling the mold to 670°C in a period of time between 5 minutes and 30 minutes, after the second step. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种可提高其耐久性的储氢合金,并提供其制造方法。 解吸方案:储氢合金以质量%计含有5〜10%的Ti,5〜15%的Cr,70〜89%的V,1〜10%的Mo和余量的不可避免的杂质,并且具有高Ti 针状或板状沉淀在基质中的相。 制备储氢合金的方法包括:制备具有上述组成的熔融态合金的第一步骤; 在第一步骤之后,在5分钟至15分钟之间的时间段内将浇注有熔融金属的模具冷却至860℃的第二步骤; 以及在第二步骤之后的5分钟至30分钟之间的时间段内将模具冷却至670℃的第三步骤。 版权所有(C)2009,JPO&INPIT
    • 92. 发明专利
    • Nb3Sn superconducting wire and precursor for the
    • JP4185548B1
    • 2008-11-26
    • JP2007148551
    • 2007-06-04
    • 株式会社神戸製鋼所
    • 弘之 加藤享司 財津隆司 長谷
    • H01B13/00C22C27/02H01B12/10
    • H01L39/2409
    • 【課題】内部拡散法Nb
      3 Sn超電導線材が備えている優れた超電導特性を十分に発揮させるべく、内部拡散法Nb
      3 Sn超電導線材における機械的強度の強化を図り、従来のブロンズ法Nb
      3 Sn超電導線材を超電導特性および強度の両面で凌駕することのできる内部拡散法Nb
      3 Sn超電導線材、およびそのための前駆体を提供する。
      【解決手段】中央にSnまたはSn基合金芯が配置されると共に、その周囲にCuまたはCu基合金マトリクスと、複数本のNbまたはNb基合金フィラメントが配置されたモノエレメント線を複数本束ねて配置して構成されるマルチエレメント線であって、Nb,Ta,Ti,W,MoおよびHfよりなる群から選ばれる1種以上の金属または合金からなる棒状の補強部材をCuまたはCu基合金に埋設した補強用エレメント線によって、前記モノエレメント線の一部を置き換えて配置したものであり、且つ前記棒状の補強部材の断面積の割合は、線材の全断面積に対して2〜25%である。
      【選択図】図5
    • 94. 发明专利
    • Rare earth permanent magnet and method of manufacturing the same
    • 稀土永磁体及其制造方法
    • JP2008263179A
    • 2008-10-30
    • JP2008058987
    • 2008-03-10
    • Shin Etsu Chem Co Ltd信越化学工業株式会社
    • NAGATA HIROAKINOMURA TADAOMINOWA TAKEHISA
    • H01F41/02B22F3/24C21D1/74C21D1/773C21D6/00C22C5/06C22C11/00C22C12/00C22C13/00C22C14/00C22C16/00C22C18/00C22C19/00C22C19/03C22C19/07C22C21/00C22C22/00C22C24/00C22C27/02C22C27/04C22C27/06C22C28/00C22C38/00H01F1/053H01F1/08
    • PROBLEM TO BE SOLVED: To provide: a sintered magnet of R-Fe-B system excellent in productivity, having a high performance, and the coercive force of which has been increased while suppressing the reduction in the residual magnetic flux density; and to provide a method of manufacturing the same. SOLUTION: In the method of manufacturing a rare earth permanent magnet, in a state where powder composed of an alloy of R 1 i-M 1 j (R 1 is rare earth element including Y and Sc, M 1 is one or more kinds of element selected from among Al, Si, C, P, Ti, V, Cr, Mn, Ni, Cu, Zn, Ga, Ge, Zr, Nb, Mo, Ag, In, Sn, Sb, Hf, Ta, W, Pb, and Bi, 15 1 b-Bc (R is rare earth element including Y and Sc, T 1 is Fe and/or Co, a, b, c are atomic percentages, wherein 12≤a≤20, 4.0≤c≤7.0, and b is the rest), the sintered compact and the powder are subjected to heat treatment at a temperature lower than or equal to the sintering temperature of the sintered compact in vacuum or in an inert gas. It is possible to obtain a sintered magnet of R-Fe-B system excellent in productivity, having a high performance, and the coercive force of which has been increased while suppressing the reduction in the residual magnetic flux density. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供:生产率优异,性能优异,矫顽力提高的R-Fe-B系的烧结磁体,同时抑制剩余磁通密度的降低; 并提供其制造方法。 解决方案:在制造稀土永磁体的方法中,在由R 1的合金(R 1)组成的粉末的状态下, 1 是包括Y和Sc的稀土元素,M 1是选自Al,Si,C,P,Ti,V,Cr,Mn,Ni中的一种或多种元素 ,Cu,Zn,Ga,Ge,Zr,Nb,Mo,Ag,In,Sn,Sb,Hf,Ta,W,Pb和Bi,15 的组成的烧结体的表面上,b-Bc(R是包含Y和Sc的稀土元素,T 1 为Fe和/或Co,a,b,c为原子百分数,其中12≤a≤20,4.0≤c≤7.0,b为余量),将烧结体和粉末进行加热 在低于或等于烧结体在真空或惰性气体中的烧结温度的温度下进行处理。 可以获得生产率优异的R-Fe-B系的烧结磁体,具有高性能,并且在抑制剩余磁通密度的降低的同时提高其矫顽力。 版权所有(C)2009,JPO&INPIT
    • 97. 发明专利
    • Nb3Sn SUPERCONDUCTIVE WIRE, PRECURSOR THEREFOR, AND Nb COMPOUND SINGLE CORE FOR PRECURSOR
    • Nb3Sn超导线,其前身和Nb化合物单核心用于前驱体
    • JP2008166173A
    • 2008-07-17
    • JP2006355972
    • 2006-12-28
    • Kobe Steel Ltd株式会社神戸製鋼所
    • KATO HIROYUKIHASE TAKASHIZAITSU TAKASHI
    • H01B13/00C22C27/02H01B12/04H01B12/10H01F6/06
    • Y02E40/641Y02E40/644
    • PROBLEM TO BE SOLVED: To provide a precursor (superconductive wire precursor) allowing an element such as Ti to be effectively included in a Nb 3 Sn phase without causing inconvenience such as disconnection when a Nb 3 Sn superconductive wire is manufactured by an internal Sn method; a Nb 3 Sn superconductive wire manufactured by using such a precursor; and a Nb compound single core or the like for constituting a precursor. SOLUTION: This Nb compound single core constituting a superconductive wire precursor used in manufacturing this Nb 3 Sn superconductive wire by an internal Sn method is structured such that a cylindrical layer formed of a Nb-based alloy containing one or more kinds of elements selected from a group comprising Ti, Ta, Zr and Hf or a nearly-cylindrical layer formed by combining a plurality of plate-like members formed of the Nb-based alloy is arranged around a Nb core; a cylindrical layer formed of Nb is arranged in the periphery of the cylindrical layer or the nearly-cylindrical layer; and a layer formed of Cu or a Cu-based alloy is arranged around the cylindrical layer formed of Nb. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供允许诸如Ti的元素被有效地包括在Nb 3 Sn相中的前体(超导线前体),而不会导致诸如在Nb < SB> 3 Sn超导线通过内部Sn法制造; 通过使用这种前体制造的Nb 3 SBS超导线; 和用于构成前体的Nb化合物单核等。 &lt; P&gt;解决方案:通过内部Sn方法制造该Nb 3 SBB超导线所使用的构成超导线前体的Nb复合单芯被构造为使得由Nb基合金 含有选自由Ti,Ta,Zr和Hf组成的组中的一种或多种元素或通过组合由Nb基合金形成的多个板状部件形成的近似圆柱形的层组成的Nb核; 在圆筒形或圆柱形层的周围设有由Nb构成的圆筒状的层, 并且在由Nb形成的圆柱形层周围布置由Cu或Cu基合金形成的层。 版权所有(C)2008,JPO&INPIT