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    • 3. 发明授权
    • Process for the Production of low TC superconductor molded bodies
    • 低温超导体成型体的生产工艺
    • US6066270A
    • 2000-05-23
    • US234040
    • 1999-01-19
    • Juergen EckertKathrin JostOliver De HaasMichael SeidelLudwig Schultz
    • Juergen EckertKathrin JostOliver De HaasMichael SeidelLudwig Schultz
    • C04B35/563C01G1/00C01G3/00C04B35/45C04B35/56C04B35/58C04B35/583H01L39/12H01L39/24H01B1/02
    • C04B35/583C04B35/56C04B35/563C04B35/645C04B35/6455H01L39/125H01L39/24Y10S420/901Y10S505/805
    • The production of compact molded bodies of rare-earth transition-metal boron carbide and boron nitride compounds configured so as to avoid a selective evaporation of individual components in the production process and enable an exact adjustment of the desired stoichiometry. The process is characterized in thata) a powder mixture with particles sizes from 1 to 250 .mu.m is produced, containingaa) at least one element from the group comprising Y, La, Ho, Dy, Er, Tm, Lu, Sc,ab) at least one element from the group comprising Ni, Cu, Co, Fe, Pd, Pt,ac) B and C or borides and carbides or nitrides and carbides or B and carbides or nitrides and carbon or mixtures of boron and carbon-containing solid solutions or mixtures of boron- and N-containing solid solutions;b) converting the powder mixture by mechanical alloying or intensive grinding under an atmosphere containing argon, nitrogen or carbon, into a secondary powder with an amorphous, glass-like structure, a completely nanocrystalline structure, or a mixture of an amorphous and nanocrystalline structure;c) heat-treating the secondary powder to form superconducting phases at formation temperatures below 1600.degree. C.; andd) compacting the secondary powder by pressure to form superconductor molded bodies at temperatures below the crystallization temperature of the amorphous phase or below the temperature where the superconducting phase transforms into a non-superconducting phase.
    • 生产稀土过渡金属碳化硼的紧凑型成型体和氮化硼化合物,其被配置为避免在生产过程中选择性地蒸发各个组分,并能精确调整所需的化学计量。 该方法的特征在于a)产生粒度为1至250μm的粉末混合物,其含有aa至少一种元素,所述元素包括Y,La,Ho,Dy,Er,Tm,Lu,Sc, ab)来自包含Ni,Cu,Co,Fe,Pd,Pt,ac,Fe,Pd,Pt,ac)B和C或硼化物的至少一种元素,碳化物或氮化物和碳化物或B和碳化物或氮化物以及碳或硼和碳 - 含有固体溶液或含硼和N的固溶体的混合物; b)在含有氩,氮或碳的气氛下通过机械合金化或强力研磨将粉末混合物转化成具有无定形,玻璃状结构,完全纳米晶体结构或非晶和纳米晶体结构的混合物的二次粉末; c)在低于1600℃的地层温度下对二次粉末进行热处理以形成超导相。 和d)通过压力压制二次粉末,以在低于非晶相的结晶温度或低于超导相转变为非超导相的温度的温度下形成超导体模制体。
    • 4. 发明授权
    • High-strength beryllium-free moulded body made from zirconium alloys which may be plastically deformed at room temperature
    • 由锆合金制成的高强度无铍成型体,其可在室温下塑性变形
    • US07300529B2
    • 2007-11-27
    • US10487383
    • 2002-08-12
    • Uta KuehnJuergen EckertLudwig Schultz
    • Uta KuehnJuergen EckertLudwig Schultz
    • C22C45/10
    • C22C45/10
    • High-strength, beryllium-free moulded bodies made from zirconium alloys which may be plastically deformed comprise a material essentially corresponding to the following formula in composition: Zra(E1)b(E2)c(E3)d(E4)e, where E1=one or several of Nb, Ta, Mo, Cr, W, Ti, V, Hf and Y, E2=one or several of Cu, Au, Ag, Pd and Pt, E3=one or several of Ni, Co, Fe, Zn and Mn, E4=one or several of AI, Ga, Si, P, C, B, Sn, Pb and Sb, a=100−(b+c+d+e), b=5 to 15, c=5 to 15, d=0 to 15 and e=5 to 15 (a, b, c, d, e in atom %). The moulded body essentially comprises a homogeneous, microstructural structure which is a glass-like or nano-crystalline matrix with a ductile, dendritic, cubic body-centered phase embedded therein.
    • 由塑性变形的锆合金制成的高强度,不含铍的成型体包括基本上对应于组成中的下列公式的材料:Zr a(E1)b < (E2)C(E3)D(E4)e,其中E1 = Nb,Ta,Mo,Cr,W中的一种或几种 ,Ti,V,Hf和Y,E2 = Cu,Au,Ag,Pd和Pt中的一种或几种,E3 = Ni,Co,Fe,Zn和Mn中的一种或几种,E4 = Al,Ga中的一种或几种 ,Si,P,C,B,Sn,Pb和Sb,a = 100-(b + c + d + e),b = 5〜15,c = 5〜15,d = 0〜15,e = 5 至15(a,b,c,d,e原子%)。 成型体基本上包括均匀的微结构结构,其是嵌入其中的延展性,树枝状,立体体中心相的玻璃状或纳米晶体基体。
    • 7. 发明授权
    • Magnet assembly for the suspension and guidance of suspended vehicles and transport systems
    • 用于悬挂和引导悬挂车辆和运输系统的磁铁组件
    • US07197987B2
    • 2007-04-03
    • US10472619
    • 2002-04-23
    • Martina FalterPeter BartuschLudwig Schultz
    • Martina FalterPeter BartuschLudwig Schultz
    • B60L13/00
    • B60L13/04B60L2200/26F16C32/0438
    • A magnet assembly for the suspension and guidance of suspended vehicles and transport systems creates an intrinsically stable, contactless magnetic suspension and guidance system composed of an assembly of magnetic elements and a superconductor assembly for suspended vehicles and transport systems. At least one part of the magnetic element assembly is physically connected to the superconductor assembly. In addition, the magnetic elements assembly and the superconductor assembly are magnetically intercoupled to maintain a stable distance between at least two magnetic elements by the utilization of a magnetic field that is frozen in the superconductor. The magnetic assembly can be used in particular in those vehicles and transport systems that are configured to be displaced along a magnetic rail without making contact with the latter, thus enabling a displacement devoid of friction and abrasion.
    • 用于悬挂和引导悬挂车辆和运输系统的磁体组件产生一个本质上稳定的非接触式磁悬浮和导向系统,其由磁性元件组件和用于悬挂车辆和运输系统的超导体组件组成。 磁性元件组件的至少一部分物理地连接到超导体组件。 此外,磁性元件组件和超导体组件通过利用在超导体中冻结的磁场而磁耦合以保持至少两个磁性元件之间的稳定的距离。 磁性组件可以特别用于构造成沿着磁轨移动而不与其接触的那些车辆和运输系统,从而能够进行没有摩擦和磨损的位移。
    • 8. 发明授权
    • Method for the epitaxial preparation of a layer of a metal-oxide
superconducting material with a high transition temperature
    • 用于外延制备具有高转变温度的金属氧化物超导材料层的方法
    • US4950644A
    • 1990-08-21
    • US302823
    • 1989-01-26
    • Ludwig SchultzJoachim Wecker
    • Ludwig SchultzJoachim Wecker
    • C30B1/02C30B23/06C30B25/10C30B29/22C30B33/00H01B12/06H01B13/00H01L39/24
    • H01L39/2458C30B1/02C30B23/063C30B25/105C30B29/22C30B29/225C30B33/00Y10S148/903Y10S420/901Y10S505/729
    • With the method, a layer of a superconductor material with a high transition temperature on the basis of a material system containing metallic components and oxygen is to be prepared. To this end, a layer of metal-oxide preliminary product of the components of the system with a structure still having faults with respect to the superconducting metal oxide phase is first applied to a predetermined substrate with an ordered structure and the desired superconducting metal oxide phase is epitaxially formed subsequently, using a heat treatment and while oxygen is being supplied. It should be possible to carry out the heat treatment such that application in semiconductor technology is possible. For the development of the desired superconducting metal oxide phase, thermal pulses of short duration, for instance, of an optical radiation source, are provided where at least at the beginning of this process step, the boundary surface between the preliminary product and the substrate is heated such that a temperature gradient of at least 10.degree. K. per .mu.m measured over the thickness of the layer is obtained.
    • 使用该方法,制备基于含有金属成分和氧的材料体系的具有高转变温度的超导体材料层。 为此,首先将具有相对于超导金属氧化物相的故障结构的具有结构的系统的部件的金属氧化物初级产物层施加到具有有序结构的预定衬底上,并且期望的超导金属氧化物相 随后,使用热处理并在供应氧气的同时外延形成。 应该可以进行热处理,使得半导体技术的应用成为可能。 为了开发期望的超导金属氧化物相,提供短持续时间的热脉冲,例如光辐射源,其中至少在该工艺步骤开始时,初级产物和基底之间的边界面是 加热使得在层厚度上测得的每微米至少10℃的温度梯度得到。
    • 9. 发明授权
    • Method for the preparation of a metallic body from an amorphous alloy
    • 从非晶合金制备金属体的方法
    • US4710236A
    • 1987-12-01
    • US848984
    • 1986-04-07
    • Ludwig Schultz
    • Ludwig Schultz
    • C22C33/02B22F1/00B22F3/00B22F9/04C22C1/04C22C19/00C22C38/12C22C45/00C22C45/02C22C45/04H01F1/08C22C1/00
    • C22C45/00B22F1/0085B22F3/007B22F9/04B22F2009/041
    • An amorphous metal body is produced from an intermediate product formed by compacting at least two usually crystalline components of the alloy in powder form. The alloying components in the intermediate product extend in at least one dimension at most 1 um. The intermediate product is converted into the amorphous metallic body by means of a diffusion reaction at a predetermined elevated temperature. In order to produce bodies of larger size on a large technical scale, a mixture powder comprising particles is produced from the alloying components in powder form by a milling process which is terminated at a predetermined time in such a manner that the particles produced by milling have at least a predominantly layer-like structure of the alloying components. This mixture powder is then compacted into the intermediate product with the desired shape and dimensions. The intermediate product is optionally deformed.
    • 通过将粉末形式的合金的至少两种通常结晶的组分压实而形成的中间产物来制造无定形金属体。 中间产品中的合金成分至少在一个维度上延伸至1um。 通过在预定的升高温度下的扩散反应将中间产物转化成非晶金属体。 为了在大规模的技术规模上制造更大尺寸的物体,通过研磨方法从粉末形式的合金成分制造包含颗粒的混合物粉末,该研磨方法在预定时间终止,使得通过研磨产生的颗粒具有 至少主要是合金组分的层状结构。 然后将该混合物粉末压制成具有所需形状和尺寸的中间产品。 中间产品任选变形。
    • 10. 发明申请
    • Process for Producing Metal-Containing Castings, and Associated Apparatus
    • 生产含金属铸件的工艺及相关设备
    • US20080295991A1
    • 2008-12-04
    • US11997634
    • 2006-07-28
    • Stefan RothLudwig Schultz
    • Stefan RothLudwig Schultz
    • B22D27/02
    • B22D27/02B22D17/00
    • The invention relates to the field of materials sciences and relates to a method such as can be used, for example, for producing molded articles from metallic glasses. The object of the present invention lies in disclosing a method and an apparatus in which a good mold filling during casting is achieved in addition to high cooling rates. The object is attained by a method in which a metal-containing melt is introduced into an electrically conducting casting mold, the metal-containing melt and the mold being connected in an electrically conducting manner to the outputs of the same voltage source during the introduction into a casting mold, so that a preset current flows through the boundary interface between the melt and the mold. The object is furthermore attained through an apparatus in which there is an electrically conducting connection to a voltage source between a metal-containing melt and an electrically conducting mold for the melt.
    • 本发明涉及材料科学领域,涉及可用于例如从金属玻璃制造模制品的方法。 本发明的目的在于公开一种方法和装置,其中除了高冷却速度之外,还实现了铸造期间的良好模具填充。 本发明的目的是通过一种方法,其中将含金属的熔体引入到导电铸模中,将含金属的熔体和模具以导电的方式连接到相同电压源的输出端 铸造模具,使得预设电流流过熔体和模具之间的边界界面。 此外,通过一种设备可以实现目的,其中在金属熔体和用于熔体的导电模具之间存在与电压源的导电连接的装置。