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    • 3. 发明专利
    • Biomaterial
    • 生物材料
    • JP2009034369A
    • 2009-02-19
    • JP2007201691
    • 2007-08-02
    • Tohoku UnivTokyo Institute Of Technology国立大学法人東京工業大学国立大学法人東北大学
    • INOUE AKIHISAWANG XINMINAKE KATSUTOSHIKIMURA HISAMICHIYOSHIMURA MASAHIROONOKI NORISHIGE
    • A61L27/00
    • PROBLEM TO BE SOLVED: To provide a biomaterial having low rigidity, high strength, and excellent corrosion resistance.
      SOLUTION: The biomaterial contains a metallic glass alloy having a composition of formula: (Ti
      1-a-b-c Cu
      a Zr
      b Pd
      c )
      100-x M
      x (wherein a, b and c are atomic ratios: a is 0.3-0.5; b is 0.005-0.2, and c is 0.005-0.2; x is atomic percent and is 0.5-2 atomic percent; M is an element selected from at least one of HA, CaTiO
      3 and CaZrO
      3 ). Alternatively, the biomaterial contains a metallic glass alloy having a composition of formula: (Ti
      1-a-b-c Cu
      a Zr
      b Pd
      c )
      100-x Ca
      x (wherein a, b and c are atomic ratios: a is 0.3-0.5, b is 0.005-0.2, and c is 0.005-0.2 and x is atomic percent and is 0.5-10 atomic percent).
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供刚性低,强度高,耐腐蚀性优异的生物材料。 解决方案:生物材料包含具有下式的组成的金属玻璃合金:(Ti <1> a> b> (其中a,b和c是原子比:a是0.3-0.5; b是0.005-0.2,其中a,b和c是原子比:a是0.3-0.5; b是0.005-0.2, c为0.005〜0.2; x为原子百分数,为0.5〜2原子%; M为选自HA,CaTiO 3,SB 3,Ca 3 O 3,SB 3, )。 或者,生物材料含有具有下列组成的组成的金属玻璃合金:(Ti 1-abc (其中a,b和c为原子比:a为0.3-0.5,b为0.005-0.2,c为 0.005-0.2,x为原子百分数,为0.5-10原子%)。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Cu-FREE, Zr-BASED METAL GLASS ALLOY
    • 无铜,基于Zr的金属玻璃合金
    • JP2012158794A
    • 2012-08-23
    • JP2011018717
    • 2011-01-31
    • Tohoku Univ国立大学法人東北大学
    • CHO ISAMUINOUE AKIHISA
    • C22C45/10
    • PROBLEM TO BE SOLVED: To provide a Cu-free, Zr-based metal glass alloy that has a large amorphous-forming ability and is excellent in mechanical properties, workability and corrosion resistance.SOLUTION: The Cu-free, Zr-based metal glass alloy includes a composition represented by the formula: ZrAlNiMB(wherein x and y satisfy the relations: 10≤x≤19 and 15≤y≤28, respectively; M is Nb or Ta; z satisfies the relation: 0 0.54 and a γ value of ≥0.38, is in a rod shape with a diameter of ≥2 mm and has compression fracture strength of ≥1,650 MPa. The Cu-free, Zr-based metal glass alloy is superior to conventional ternary to penternary Zr-based metal glass alloys in terms of resistance to corrosion against HCl and NaCl solutions.
    • 要解决的问题:提供一种具有大的非晶形成能力且机械性能,加工性和耐腐蚀性优异的无Cu的Zr基金属玻璃合金。 解决方案:无Cu的Zr基金属玻璃合金包括由下式表示的组成:Zr 75-xyz A1 x a Ni Ni Ni Ni Ni y y y y y y y y y y y y y y>>>>>>>>>>>>>>>>>>>>>>>>>>>>> y满足关系:10≤x≤19和15≤y≤28; M为Nb或Ta; z满足关系:0 0.54,γ值≥0.38,直径≥2mm的棒状,具有 压缩断裂强度≥1650MPa。 对于HCl和NaCl溶液的耐腐蚀性,无Cu,Zr基金属玻璃合金优于常规三元Zr基金属玻璃合金。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Highly conductive amorphous alloy, highly conductive amorphous alloy for light electric application and highly conductive amorphous alloy for power application
    • 高导电非晶合金,用于轻电力的高导电非晶合金和用于电力应用的高导电非晶合金
    • JP2011144416A
    • 2011-07-28
    • JP2010005380
    • 2010-01-14
    • Tohoku Univ国立大学法人東北大学
    • FUKUHARA MIKIOINOUE AKIHISA
    • C22C45/10B82B1/00C22C45/04H01B1/02H01L21/3205H01L23/52
    • PROBLEM TO BE SOLVED: To provide a highly conductive amorphous alloy operable at a temperature ranging from low temperature to room temperature using single electron tunneling, a highly conductive amorphous alloy for light electric application, and a highly conductive amorphous alloy for power application.
      SOLUTION: The highly conductive amorphous alloy has an integrated nanostructure in which a plurality of isolated metal clusters having conducting islands are continuously aligned via sub-nanoscale insulating layers. The highly conductive amorphous alloy is composed so that electrons can perform tunneling between individual metal clusters via the conducting islands at a temperature ranging from extremely low temperature to 500°C and exerts ballistic conductivity for both direct current and alternating current. Here, sub-nanoscale atomic vacancies are uniformly distributed between individual metal clusters. The highly conductive amorphous alloy may comprise an Ni-Nb-Zr amorphous alloy or a Ti-Ni-Cu amorphous alloy wherein hydrogen atoms invade and are solid-dissolved in gaps between the individual metal clusters.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种可在低温至室温范围内使用单电子隧道工作的高导电非晶合金,用于光电应用的高导电非晶态合金和用于电力应用的高导电非晶合金 。 解决方案:高导电非晶合金具有集成的纳米结构,其中多个具有导电岛的隔离金属簇通过亚纳米级绝缘层连续排列。 高导电性非晶合金构成为使电子能够在极低温至500℃的温度范围内经由导电岛进行各金属簇之间的隧道化,并对直流电和交流电都施加弹道导电性。 这里,亚纳米级原子空位均匀分布在各个金属簇之间。 高导电性非晶合金可以包含Ni-Nb-Zr非晶合金或Ti-Ni-Cu非晶合金,其中氢原子侵入并固体溶解在各个金属簇之间的间隙中。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Method and structure for joining aluminum base material
    • 接合铝基材料的方法与结构
    • JP2010184284A
    • 2010-08-26
    • JP2009031539
    • 2009-02-13
    • Nissan Motor Co LtdTohoku Univ国立大学法人東北大学日産自動車株式会社
    • MIYAMOTO KENJINAKAJIMA YASUSHINAKAGAWA NARIYUKISAKAMOTO HIRONORIINOUE AKIHISAKIMURA HISAMICHISEKI ICHIRO
    • B23K20/00
    • PROBLEM TO BE SOLVED: To provide a joining method for aluminum base material by which the aluminum base materials are joined with high strength at low temperature without using a flux for removing an oxidized coating film, and the cost is reduced by eliminating the need of a flux cleaning stage after joining, and to provide a joining structure by the joining method.
      SOLUTION: In the state that an intermediate material 3 composed of metallic glass containing an element, for example La, whose standard generated free energy of oxidation is smaller than aluminum and having the melting point lower than that of the materials to be joined is interposed between materials 1, 2 to be joined consisting of aluminum or an aluminum alloy, the intermediate material 3 is heated to the temperature to the melting point or above of the intermediate material 3 and the melting point or below of the materials 1, 2 to be joined, so that the materials 1, 2 to be joined are joined without using the flux.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供铝基材料的接合方法,铝基材料在低温下以高强度接合而不使用用于除去氧化涂膜的助熔剂,并且通过消除 在接合之后需要焊剂清洁级,并且通过接合方法提供接合结构。 解决方案:在由含有标准产生氧化自由能小于铝并且熔点低于待接合材料的熔点的金属玻璃构成的中间材料3的状态下, 介于由铝或铝合金构成的待连接的材料1,2之间,将中间材料3加热至中间材料3的熔点或高于熔点或熔点以下的材料1,2 以使待接合的材料1,2不使用助焊剂而接合。 版权所有(C)2010,JPO&INPIT