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    • 1. 发明授权
    • Aluminum-silicon alloy foils
    • 铝 - 硅合金箔
    • US5597967A
    • 1997-01-28
    • US265890
    • 1994-06-27
    • Ann M. RitterMelvin R. JacksonJohn R. Hughes
    • Ann M. RitterMelvin R. JacksonJohn R. Hughes
    • B22F5/00C22C1/04C22F1/043B22F3/14C22C21/04
    • B22F5/00C22C1/0416C22F1/043
    • Two-phase Al--Si alloy foils are made directly from Al--Si alloy powders by hot pressing. These Al--Si alloy foils are characterized by having a thickness of 0.017 in. or less, and by the fact that they are fine-grained and substantially free of oxygen, nitrogen and deformation-induced defects. The as-pressed Al--Si foils where the primary phase is the Al solid-solution phase are also generally ductile and adapted for subsequent forming operations, including cold rolling. The reduction in thickness imparted in a single pass to an Al-11.6Si alloy foil through cold-rolling was at least about 10%, with up to about 90% reduction in thickness accomplished by a plurality of such passes. These reductions in thickness were accomplished without stress relief annealing, but such annealing may be employed if desirable for microstructural modification.
    • 通过热压直接由Al-Si合金粉末制成两相Al-Si合金箔。 这些Al-Si合金箔的特征在于厚度为0.017英寸或更小,并且由于它们是细颗粒的并且基本上没有氧,氮和变形引起的缺陷。 主要相是Al固溶相的压制Al-Si箔也通常是延展性的并适用于随后的成型操作,包括冷轧。 通过冷轧向Al-11.6Si合金箔单次施加的厚度的减小至少为约10%,通过多次这种通过达到约90%的厚度减小。 这种厚度的减小是在不进行消除退火的情况下完成的,但是如果需要用于显微组织修饰,则可以采用这种退火。
    • 5. 发明授权
    • Metal alloy foils
    • 金属合金箔
    • US5503794A
    • 1996-04-02
    • US265893
    • 1994-06-27
    • Ann M. RitterJohn R. Hughes
    • Ann M. RitterJohn R. Hughes
    • B22F3/14B22F5/00B22F7/00
    • B22F3/14B22F5/00Y10T428/12431
    • Metal alloy foils are made directly from metal alloy powders by hot pressing. These metal alloy foils are characterized by having a thickness of 0.017 in. or less, and by the fact that they are fine-grained and substantially free of oxygen, nitrogen and deformation-induced defects. In particular, Ti-base alloy foils having an average thickness of about 0.011 in. have been formed directly from Ti-base alloy powders. These as-pressed Ti-base alloy foils are also ductile and adapted for subsequent forming operations, including cold rolling. The deformation which may be imparted in a single pass through cold-rolling to these Ti-base alloy foils is at least about 5%, with up to about 45% deformation imparted to one of these alloys in multiple passes without stress relief annealing. Total reductions in thickness of up to 90% are achieved by a combination of cold-rolling and stress relief annealing.
    • 金属合金箔通过热压直接由金属合金粉末制成。 这些金属合金箔的特征在于厚度为0.017英寸或更小,并且由于它们是细粒度的并且基本上没有氧,氮和变形诱发的缺陷。 特别地,平均厚度约为0.011英寸的Ti基合金箔直接由Ti基合金粉末形成。 这些被压制的Ti基合金箔也是延展性的,适用于随后的成型操作,包括冷轧。 可以在通过冷轧的单次通过中赋予这些Ti基合金箔的变形为至少约5%,在多次通过中赋予至多约45%的变形,没有消除退火。 通过冷轧和应力消除退火的组合实现厚度的总减少达到90%。
    • 10. 发明授权
    • Clad structural member with NbTiAlCr HF alloy cladding and niobium base
metal core
    • 包层结构件采用NbTiAlCr HF合金包层和铌基底金属芯
    • US5273831A
    • 1993-12-28
    • US953702
    • 1992-09-30
    • Melvin R. JacksonMark G. BenzJohn R. Hughes
    • Melvin R. JacksonMark G. BenzJohn R. Hughes
    • C22C27/02C22C49/00C22C1/09C22C30/00
    • C22C49/00C22C27/02Y10T428/12486Y10T428/12806Y10T428/12812Y10T428/12819
    • Composite structures having a higher density, stronger reinforcing niobium based alloy embedded within a lower density, lower strength niobium based cladding alloy are provided. The cladding is preferably an alloy having a niobium and titanium base according to the expression:Nb.sub.balance -Ti.sub.27-40.5 -Al.sub.4.5-10.5 -Hf.sub.1.5-5.5 V.sub.0-6 Cr.sub.4.5-8.5 Zr.sub.0-1 C.sub.0-0.5,where each metal of the metal/metal composite has a body centered cubic crystal structure, andwherein the ratio of concentrations of Ti to Nb (Ti/Nb) is greater than or equal (.gtoreq.) to 0.5, andwherein the maximum concentration of the Hf+V+Al+Cr additives is less than or equal (.ltoreq.) to the expression:16.5+5.times.Ti/Nb.The reinforcement may be in the form of plates, sheets or rods of the higher strength, higher temperature niobium based reinforcing alloy. The same crystal form is present in both the matrix and the reinforcement and is specifically body centered cubic crystal form.
    • 提供了具有较高密度,更强的增强铌基合金嵌入较低密度的复合结构,较低强度的铌基包层合金。 包层优选为根据以下表达式具有铌和钛基的合金:Nbbalance-Ti27-40.5-Al4.5-10.5-Hf1.5-5.5V0-6Cr4.5-8.5Zr0-1C0-0.5,其中每种金属 的金属/金属复合体具有体心立方晶体结构,其中Ti与Nb的浓度比(Ti / Nb)大于或等于(> / =)至0.5,其中Hf的最大浓度 + V + Al + Cr添加剂与16.5 + 5×Ti / Nb的表达式小于或等于(<=)。 加强件可以是较高强度,较高温度的铌基增强合金的板,片或棒的形式。 在基质和强化物中都存在相同的晶体形式,特别是体心立方晶体形式。