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    • 56. 发明授权
    • Method of making a Cu-base bulk amorphous alloy
    • 制造Cu基块状非晶合金的方法
    • US08470103B2
    • 2013-06-25
    • US12292723
    • 2008-11-25
    • Akihisa InoueWei ZhangTao Zhang
    • Akihisa InoueWei ZhangTao Zhang
    • C22C45/00
    • C22C45/001C22C1/002
    • The present invention provides Cu-base amorphous alloys containing an amorphous phase of 90% or more by volume fraction. The amorphous phase has a composition represented by the formula: Cu100-a-b(Zr+Hf)aTib or Cu100-a-b-c-d(Zr+Hf′)aTibMcTd, wherein M is one or more elements selected from Fe, Cr, Mn, Ni, Co, Nb, Mo, W, Sn, Al, Ta and rare earth elements, T is one or more elements selected from the group consisting of Ag, Pd, Pt and Au, and a, b, c and d are atomic percentages falling within the following ranges: 5≦a≦55, 0≦b≦45, 30≦a+b≦60, 0.5≦c≦5, 0≦d≦10. The Cu-base amorphous alloy has a high glass-forming ability as well as excellent mechanical properties and formability, and can be formed as a rod or plate material with a diameter or thickness of 1 mm or more and an amorphous phase of 90% or more by volume fraction, through a metal mold casting process.
    • 本发明提供含有90体积%以上的非晶相的Cu基非晶合金。 非晶相具有由式:Cu100-ab(Zr + Hf)aTib或Cu100-abcd(Zr + Hf')aTibMcTd表示的组成,其中M是选自Fe,Cr,Mn,Ni,Co的一种或多种元素 ,Nb,Mo,W,Sn,Al,Ta和稀土元素,T是选自Ag,Pd,Pt和Au中的一种或多种元素,a,b,c和d是落入 以下范围:5 @ a @ 55,0 @ b @ 45,30 @ a + b @ 60,0.5 @ c @ 5,0 @ d @ 10。 Cu基非晶合金具有高的玻璃形成能力以及优异的机械性能和成形性,并且可以形成为直径或厚度为1mm以上且非晶相为90%的棒材或板材,或 更多的体积分数,通过金属模具铸造过程。
    • 59. 发明授权
    • Soft magnetic co-based metallic glass alloy
    • 软磁共晶基金属玻璃合金
    • US07223310B2
    • 2007-05-29
    • US10510642
    • 2003-04-07
    • Akihisa Inoue
    • Akihisa Inoue
    • H01F1/153
    • H01F1/15316C22C45/04
    • Disclosed is a soft magnetic Co-based metallic glass alloy with high glass forming ability, which has a supercooled-liquid temperature interval (ΔTχ) of 40 K or more, a reduced glass-transition temperature (Tg/Tm) of 0.59 and a low coercive force of 2.0 A/m or less. The metallic glass alloy is represented by the following composition formula: [Co1−n−(a+b)FenBaSib]100−χMχ, wherein each of a, b and n represents an atomic ratio satisfying the following relations: 0.1≦a≦0.17; 0.06≦b≦0.15; 0.18≦a+b≦0.3; and 0≦n≦0.08, M representing one or more elements selected from the group consisting of Zr, Nb, Ta, Hf, Mo, Ti, V, Cr, Pd and W, and χ satisfying the following relation: 3 atomic %≦χ≦10 atomic %. The present invention overcomes restrictions in preparing a metallic glass bar with a thickness of 1 mm or more from conventional Co—Fe—B—Si-based metallic glasses due to their poor glass forming ability, and provides an excellent Co—Fe—B—Si-based metallic glass allowing the formation of bulk metallic glass, which serves as a key technology for achieving a broader application fields of metallic glass products.
    • 公开了一种具有高玻璃形成能力的软磁性Co基金属玻璃合金,其具有40K或更高的过冷液体温度间隔(DeltaT i i i),玻璃化转变温度(T &lt; /&gt; / T&gt; m)为0.59,矫顽力为2.0A / m以下的低矫顽力。 金属玻璃合金由以下组成式表示:[Co 1-n-(a + b)] N < a,b和n分别表示满足以下关系的原子比:0.1 <= a < = 0.17; 0.06 <= b <= 0.15; 0.18 <= a + b <= 0.3; 0≤n≤0.08,M表示从由Zr,Nb,Ta,Hf,Mo,Ti,V,Cr,Pd和W组成的组中选出的一种或多种元素,以及满足以下关系的chi:3原子 %<= chi <= 10原子%。 本发明克服了由于其较差的玻璃形成能力而制备与常规Co-Fe-B-Si系金属玻璃相比厚度为1mm以上的金属玻璃棒的限制,提供了优异的Co-Fe-B- Si基金属玻璃允许形成块状金属玻璃,其作为实现金属玻璃产品更广泛应用领域的关键技术。