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1. 发明授权

US06346132B1 High-strength, high-damping metal material and method of making the same 失效
标题翻译：高强度，高阻尼金属材料及其制造方法
公开(公告)号：US06346132B1
公开(公告)日：2002-02-12
申请号：US09595359
申请日：2000-06-15
申请人： Ulrike Huber , Rainer Rauh , Eduard Arzt
发明人： Ulrike Huber , Rainer Rauh , Eduard Arzt
IPC分类号： B22F102
CPC分类号： B22F1/0003 , B22F2998/00 , C22C1/0416 , C22C49/06 , C22F1/006 , B22F3/14 , B22F3/15 , B22F3/17 , B22F3/20 , C22C47/14
摘要： A composite material includes a metallic second phase dispersed in a metallic matrix material. The metallic second phase has a grain structure that is at least partially martensitic. The second phase material is preferably an alloy of nickel and titanium, each present in the range from 48 to 52 atomic %, optionally in combination with further additives. The second phase particles can be present in the form of granular particles, wires, fibers, whiskers, or layers, making up 5 to 60 vol. % of the overall composite material. The matrix material is preferably an aluminum alloy. The composite material has a high damping capacity and a high tensile strength provided by the matrix, and a high damping capacity provided by the second phase. A method of making the composite material involves mixing a powdery matrix material and a powdery second phase material, and then heat and consolidating the mixture at a temperature of 400 to 700 ° C. and a pressure of 100 to 300 MPa.
摘要翻译：复合材料包括分散在金属基体材料中的金属第二相。金属第二相具有至少部分马氏体的晶粒结构。第二相材料优选为镍和钛的合金，各自存在于48至52原子％的范围内，任选地与其它添加剂组合。第二相颗粒可以粒状颗粒，电线，纤维，晶须或层的形式存在，构成5至60体积％。％的整体复合材料。基质材料优选为铝合金。复合材料具有高的阻尼能力和由基体提供的高拉伸强度，以及由第二相提供的高阻尼能力。制造复合材料的方法包括混合粉末状基体材料和粉末状第二相材料，然后在400-700℃的温度和100-300MPa的压力下加热和固结混合物。

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