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    • 1. 发明申请
    • HEAT RESISTANT AND HIGH STRENGTH ALUMINUM ALLOY AND METHOD FOR PRODUCING THE SAME
    • 耐热高强度铝合金及其制造方法
    • WO2012132280A2
    • 2012-10-04
    • PCT/JP2012001742
    • 2012-03-13
    • TOYOTA CHUO KENKYUSHO KKMATSUOKA HIDEAKIYAMADA YUKA
    • MATSUOKA HIDEAKIYAMADA YUKA
    • C22C1/04
    • C22C21/00B22F3/20B22F2998/10C22C1/0416C22C1/0491B22F9/08B22F2003/208
    • A heat resistant and high strength aluminum alloy is provided to have significantly excellent high temperature strength and other properties. The heat resistant and high strength aluminum alloy according to the present invention is characterized by having an alloy composition, with the whole 100 mass% (referred simply to as "%" hereinafter), of 3% to 6% iron (Fe), 0.66% to 1.5% zirconium (Zr), 0.6% to 1% titanium (Ti), and the balance aluminum (Al) with inevitable impurities and/or modifying element, the mass ratio of Zr to Ti (Zr/Ti) being 1.1 to 1.5. The heat resistant and high strength aluminum alloy according to the present invention is comprised primarily of a matrix phase and an Al-Fe series intermetallic compound phase (first compound phase), and an Al-(Zr, Ti) series intermetallic compound of L12 structure (second compound phase) is possible to precipitate in the matrix phase in the vicinity of the boundary with the first compound phase so as to be in a matching manner. This second compound phase is stable even in a high temperature environment, and it is considered that the second compound phase inhibits the coarsening etc. of the first compound phase associated with the high temperature strength etc, thereby allowing the heat resistant and high strength aluminum alloy according to the present invention to achieve an excellent heat resistance.
    • 提供耐热,高强度的铝合金,具有优异的高温强度等特性。 本发明的耐热高强度铝合金的特征在于,具有3质量%以上6%以下的铁(Fe),0.66(以下简称为“%”)的合金组成 (Zr),0.6%〜1%的钛(Ti),余量的铝(Al)与不可避免的杂质和/或改性元素相比,Zr与Ti(Zr / Ti)的质量比为1.1〜 1.5。 根据本发明的耐热高强度铝合金主要由基体相和Al-Fe系金属间化合物相(第一化合物相)和L12结构的Al-(Zr,Ti)系列金属间化合物组成 (第二化合物相)可以在与第一化合物相的边界附近的基质相中析出,从而成为匹配的方式。 该第二化合物相即使在高温环境下也是稳定的,认为第二化合物相抑制与高温强度相关的第一化合物相的粗化等,从而允许耐热和高强度的铝合金 根据本发明实现了优异的耐热性。
    • 6. 发明专利
    • Construction method for treatment of pile head of cast- in-place pile, and cushion material and concrete destroying device for use in the same
    • 施工方法,用于处理桩内桩,夹层材料和混凝土破坏装置,用于其中
    • JP2003342951A
    • 2003-12-03
    • JP2002157886
    • 2002-05-30
    • Yamada ChieYamada Yuka山田 佑香山田 千絵
    • YAMADA SEIZO
    • E02D5/34
    • PROBLEM TO BE SOLVED: To enable a reduction in working time for pile head treatment, enable the cost of the pile head treatment to be lower than ever, and enable the safe execution of work.
      SOLUTION: The upper outer periphery and/or upper inner periphery of a cage 1 are/is covered with cushion materials 7a and 7b; concrete is placed in a pile hole of ground; after the curing of the concrete, an extra-fill part outside the upper part 2 of the cage 1 is destroyed by a concrete destroying device; the concrete destroying device, the destroyed concrete and the cushion materials 7a and 7b are removed; a crack is formed at a prescribed place of the concrete in the extra-fill part inside the upper part 2; and the concrete in the extra-fill part inside the upper part 2 is removed.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了减少桩头处理的工作时间,使桩头处理成本比以往任何时候都要低,能够安全地执行工作。 解决方案:保持架1的上外周边和/或上部内周边被缓冲材料7a和7b覆盖; 混凝土被放置在地上的桩孔中; 在混凝土固化后,笼1的上部2外部的补充部分被破坏混凝土破坏装置; 去除混凝土破坏装置,破坏的混凝土和缓冲材料7a和7b; 在混凝土的规定位置,在上部2内部的补充部分形成裂缝; 并且去除上部2内的补充部分中的混凝土。 版权所有(C)2004,JPO