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    • 21. 发明申请
    • PERFORATED PLATES FOR CRYOGENIC REGENERATORS AND METHOD OF FABRICATION
    • 低温再生器的执行板和制造方法
    • WO1993011401A1
    • 1993-06-10
    • PCT/US1992010155
    • 1992-11-25
    • HENDRICKS, John, B.
    • F28F03/00
    • F28F3/086B21C23/22B21C33/002B21C33/004B21C37/047F25B9/02F25B9/14F25B2309/003F28F21/085Y10T29/49357Y10T428/12153Y10T428/12174
    • Perforated plates (10) having very small holes (14) with a uniform diameter throughout the plate thickness are prepared by a "wire drawing" process in which a billet of sacrificial metal is disposed in an extrusion can of the plate metal, and the can is extruded and restacked repeatedly, converting the billet to a wire of the desired hole diameter. At final size, the rod is then sliced into wafers, and the wires are removed by selective etching. This process is useful for plate metals of interest for high performance regenerator applications, in particular, copper, niobium, molybdenum, erbium, and other rare earth metals. Er3Ni, which has uniquely favorable thermophysical properties for such applications, may be incorporated in regions of the plates by providing extrusion cans (20) containing erbium and nickel metals in a stacked array (53) with extrusion cans of the plate metal, which may be copper. The array is heated to convert the erbium and nickel metals to Er3Ni. Perforated plates having two sizes of perforations (38, 42), one of which is small enough for storage of helium, are also disclosed.
    • 通过“拉丝”方法制备在整个板厚度上具有均匀直径的非常小孔(14)的穿孔板(10),其中牺牲金属坯料设置在板金属的挤压罐中,罐 被重复挤压和重新包装,将钢坯转换成所需孔直径的钢丝。 在最终尺寸下,然后将棒切成晶片,并通过选择性蚀刻去除线。 该方法对于高性能再生器应用,特别是铜,铌,钼,铒和其它稀土金属是有用的。 对于这种应用具有独特有利的热物理性质的Er3Ni可以通过在堆叠阵列(53)中提供含有铒和镍金属的挤出罐(20),该挤出罐(20)可以是板状金属的挤出罐 铜。 将该阵列加热以将铒和镍金属转化为Er3Ni。 还公开了具有两种尺寸的穿孔(38,42)的穿孔板,其中一个足够小以用于存储氦。
    • 22. 发明申请
    • COMPOSITE BILLET FOR HOT SHAPING
    • 复合材料用于热成型
    • WO2003066252A1
    • 2003-08-14
    • PCT/RU2003/000032
    • 2003-02-04
    • B21J1/00
    • C23C30/00B21B3/00B21B2001/383B21C23/002B21C33/002C23C4/18
    • The protective coating for the inventive composite billet used for hot shaping is embodied such that it is multi-component and comprises a base metallic layer having a specified continuous porosity, compacting materials in the form of the mixture of fine metallic and ceramic powders whose fraction is less than 50 mkm, and chemical reagents. Said protective coating being applied is compacted by plastic deformation at a reduction rate equal to or less than 5 %. Said composite billet exhibits a high quality and reliability level as a result of high heat-protective and gas-protective properties of the coating, thereby reducing the cost and extending the technological possibilities of the use thereof.
    • 用于热成型的本发明复合坯料的保护涂层被实施为多组分并且包括具有指定的连续孔隙率的基底金属层,其为细小金属和陶瓷粉末的混合物形式的压实材料,其分数为 不到50公里,化学试剂。 所施加的所述保护涂层以等于或小于5%的压缩率通过塑性变形来压实。 所述复合坯料由于涂层的高保护性和气体保护性能而显示出高质量和可靠性水平,从而降低了成本并延长了其使用的技术可能性。
    • 25. 发明授权
    • Method for producing metal nanofibers, yarns and textiles
    • 生产金属纳米纤维,纱线和纺织品的方法
    • US07562433B2
    • 2009-07-21
    • US11235705
    • 2005-09-26
    • Seung HongWilliam G. MarancikJeff ParrellMichael FieldKenneth MarkenYouzhu Zhang
    • Seung HongWilliam G. MarancikJeff ParrellMichael FieldKenneth MarkenYouzhu Zhang
    • H01L39/24B23P17/00
    • B21C37/047B21C33/002B82Y30/00Y10S977/762Y10S977/84Y10S977/888Y10T29/49014Y10T29/49801Y10T29/49812Y10T29/49826Y10T29/49885
    • A method for fabrication of nanometer scale metal fibers, followed by optional further processing into cables, yarns and textiles composed of the primary nanofibers. A multicomponent composite is first formed by drilling a billet of matrix metal, and inserting rods of the metal desired as nanofibers. Hexed or round rods can also be inserted into a matrix metal can. The diameter of this composite is then reduced by mechanical deformation methods. This composite is then cut to shorter lengths and reinserted into another billet of matrix metal, and again the diameter is reduced by mechanical deformation. This process of large scale metal stacking followed by mechanical deformation is repeated until the desired fiber size scale is reached, the fibers being contained in the matrix metal. After size reduction, the composite metal wires may be further processed into built up configurations, depending on intended application, by stranding, cabling, braiding, weaving, knitting, felting, etc., to form yarns or textiles. After the built up configuration is formed, the matrix metal is removed by chemical etching, leaving a cable, yarn or textile composed of the primary nanofibers.
    • 一种用于制造纳米级金属纤维的方法,随后可选地进一步加工成由初级纳米纤维组成的电缆,纱线和纺织品。 首先通过钻取基体金属坯料,并将所需金属棒作为纳米纤维插入,形成多组分复合材料。 六边形或圆形的杆也可插入矩阵金属罐中。 然后通过机械变形方法减小该复合材料的直径。 然后将该复合材料切割成更短的长度并重新插入到另一个基体金属坯料中,再次通过机械变形减小直径。 重复这种大规模金属堆叠的机械变形过程,直到达到所需的纤维尺寸,纤维被包含在基质金属中。 尺寸缩小后,复合金属丝可根据用途,绞合,电缆布线,编织,编织,编织,毡化等进一步加工成内衬构造,以形成纱线或纺织品。 在形成构建构造之后,通过化学蚀刻去除基质金属,留下由初级纳米纤维组成的电缆,纱线或纺织物。