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    • 96. 发明授权
    • High temperature composite material formed from nanostructured powders
    • 由纳米结构粉末形成的高温复合材料
    • US06605556B1
    • 2003-08-12
    • US08476497
    • 1995-06-07
    • Sudhangshu Bose
    • Sudhangshu Bose
    • C04B3580
    • C04B35/80
    • The present invention relates to high temperature composite materials formed from nano-sized powders suitable for use in the manufacture of jet engine components. The composite materials consist essentially of a matrix formed from a powdered material having a particle size in the range of from about 1 to about 100 nanometers and a plurality of reinforcing fibers embedded within the matrix and comprising from about 20% to about 40% by volume of the composite material. The method of manufacturing the composite materials broadly comprises the steps of mixing the powdered material with the reinforcing fibers and consolidating the mixture to form the composite material.
    • 本发明涉及由适用于制造喷气发动机部件的纳米尺寸粉末形成的高温复合材料。 复合材料基本上由由粒度在约1至约100纳米范围内的粉末材料形成的基质和嵌入基质内的多个增强纤维组成,并且包含约20体积%至约40体积% 的复合材料。 制造复合材料的方法广泛地包括将粉末材料与增强纤维混合并固结混合物以形成复合材料的步骤。
    • 99. 发明授权
    • Combination continuous woven-fiber and discontinuous ceramic-fiber structure
    • 组合连续编织纤维和不连续陶瓷纤维结构
    • US06472059B2
    • 2002-10-29
    • US09892348
    • 2001-06-27
    • Thomas Edward StrasserWilliam James MarshRobert Alan Schwindler
    • Thomas Edward StrasserWilliam James MarshRobert Alan Schwindler
    • B32B1712
    • C04B35/80Y10T428/249928Y10T428/24994Y10T428/249945Y10T428/2904Y10T428/2907Y10T428/2915Y10T428/2916Y10T428/2933Y10T428/298
    • A method of fabricating a ceramic structure as well as a pre-ceramic preimpregnated composite material incorporating a continuous woven fiber and a discontinuous fiber pre-ceramic matrix for subsequent curing and component construction. The method includes preparation of a mixture of discontinuous fibers, fillers, and a pre-ceramic precursor resin where the precursor resin is present in a quantity sufficient to substantially saturate subsequently adjacent woven fiber lengths, and thereafter introducing the mixture to a situs between an upper length of woven fiber and a lower length of woven fiber in alignment with each other while effectuating linear movement of these woven fiber lengths and moving the lengths toward each other for compression and retention in a sandwich configuration to thereby fabricate a pre-ceramic preimpregnated composite material. The material is cut to size in accord with the configuration of a part to be manufactured, formed into a green-state structure, and cured. Finished-product characteristics show a substantially uniform distribution of discontinuous fibers and fillers within the ceramic resin matrix to thereby provide a substantially internally stress-free end product component.
    • 一种制造陶瓷结构的方法以及掺有连续机织纤维和不连续纤维预陶瓷基体的预陶瓷预浸复合材料,用于随后的固化和组分构造。 该方法包括制备不连续纤维,填料和预陶瓷前体树脂的混合物,其中前体树脂的存在量足以使随后相邻的编织纤维长度基本上饱和,然后将混合物引入到上部 编织纤维的长度和织物纤维的长度彼此对准,同时实现这些编织纤维长度的线性运动并将长度相互朝向彼此移动以压缩和保持在夹层结构中,从而制造预陶瓷预浸渍的复合材料 。 根据要制造的部件的形状,将材料切割成尺寸,形成绿色状态的结构,并固化。 成品特性显示了陶瓷树脂基质内的不连续纤维和填料的基本上均匀的分布,从而提供基本上无内应力的最终产品组分。