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    Ceramic-coated metal implants
    3.
    发明授权
    Ceramic-coated metal implants 失效
    陶瓷涂层金属植入物

    公开(公告)号：US4846837A

    公开(公告)日：1989-07-11

    申请号：US196851

    申请日：1988-05-16

    申请人： Peter Kurze ,  Waldemar Krysmann ,  Wolfram Knoefler ,  Hans-Ludwig Graf

    发明人： Peter Kurze ,  Waldemar Krysmann ,  Wolfram Knoefler ,  Hans-Ludwig Graf

    IPC分类号： A61L27/00 ,  A61F2/00 ,  A61F2/30 ,  A61F2/32 ,  A61L27/32

    CPC分类号： A61F2/30767 ,  A61L27/32 ,  A61F2/3094 ,  A61F2/32 ,  A61F2002/30906 ,  A61F2002/30925 ,  A61F2310/00023 ,  A61F2310/00598 ,  A61F2310/00616 ,  A61F2310/00796

    摘要： A ceramic-coated metal implant is used in medicine as a hemiprosthesis or endoprosthesis. A metal implant base body having at least a surface comprised of a barrier layer metal is imparted with a surface roughness of 100-400 .mu.m by means of a mechanical and/or chemical and/or electrochemical pretreatment, thereby increasing the effective surface by more than 400%. Using anodic oxidation through spark discharge in aqueous electrolytes, an outer thickness of the roughened barrier layer metal is converted into a ceramic layer comprising oxides of the barrie layer metal and, optionally, a resorbable calcium phosphate. A maximum amount of calcium phosphate ceramic in the oxide layer faces an implantation bed of the implant. The calcium phosphate ceramic concentration decreases in the direction towards the phase boundary of the base body and oxide layer, so that bone can grow into the ceramic-coated metal implant and attain a high tenacity. In order to attain characteristics which are specific to bone, an after treatment in specific media, such as, for example, amino acids or antibiotics, can be performed. The implant can remain in place for a long period, is highly compatible with tissue and provides a large surface of bone contact, which automatically regulates bone growth in accordance with healing and growth processes.

    摘要翻译： 陶瓷涂覆的金属植入物用于医学中作为假体或假体。 通过机械和/或化学和/或电化学预处理，至少具有由阻挡层金属构成的表面的金属植入物基体具有100-400μm的表面粗糙度，从而通过更多的方式增加有效表面 超过400％。 通过在水性电解质中通过火花放电进行阳极氧化，将粗糙化的阻挡层金属的外部厚度转变为包含巴里层金属的氧化物和任选的可再吸收的磷酸钙的陶瓷层。 氧化物层中最大量的磷酸钙陶瓷面向植入物的植入床。 磷酸钙陶瓷浓度在朝向基体和氧化物层的相边界的方向上降低，使得骨可以生长成陶瓷涂覆的金属植入物并获得高韧性。 为了获得对骨特异性的特性，可以在特定培养基（例如氨基酸或抗生素）中进行后处理。 植入物可以长时间保持在适当位置，与组织高度相容，并提供大的骨接触表面，其根据愈合和生长过程自动调节骨生长。

    Method for the preparation of decorative coating on metals
    4.
    发明授权
    Method for the preparation of decorative coating on metals 失效
    金属装饰涂层的制备方法

    公开(公告)号：US4869789A

    公开(公告)日：1989-09-26

    申请号：US151363

    申请日：1988-02-02

    申请人： Peter Kurze ,  Waldemar Krysmann ,  Maria Berger ,  Klaus Rabending ,  Joachim Schreckenbach ,  Thomas Schwarz ,  Karl-Heinz Hartmann

    发明人： Peter Kurze ,  Waldemar Krysmann ,  Maria Berger ,  Klaus Rabending ,  Joachim Schreckenbach ,  Thomas Schwarz ,  Karl-Heinz Hartmann

    IPC分类号： C25D11/02

    CPC分类号： C25D11/024 ,  C25D11/026

    摘要： The process for producing decorative coatings on metals is primarily used in the jewelry industry, in handicrafts, and in device construction according to the invention, matte, true-to-form decorative coatings with a homogenous thickness of 3 .mu.m to 30 .mu.m are provided means of an electrochemical and plasmachemical reaction using a pulse operation in aqueous electrolytes at voltage peaks of 250 V to 750 V, pulse times of 20 .mu.s to 2 ms, pulse frequencies of 35 Hz to 300 Hz, pulse currents from 20 A to 120 A, electrolyte temperatures between 318 K and 360 K, and average current densities from 0.1 A cm.sup.-2 to 1 A cm.sup.-2.

    摘要翻译： 金属装饰涂料的生产工艺主要用于珠宝工业，工艺品和根据本发明的装置结构中，具有均匀厚度为3μm至30μm的无光泽的真实成型装饰涂料是 提供了在电压峰值为250 V至750 V，脉冲时间为20 s至2 ms，脉冲频率为35 Hz至300 Hz，脉冲电流为20 A至20 Hz的电解质水溶液中进行电化学和等离子体化学反应的手段 120A，电解质温度在318K和360K之间，平均电流密度为0.1Acm-2至1Acm -1。

    Production of wear-resistant layers on barrier-layer-forming metals or their alloys by means of laser treatment
    8.
    发明申请
    Production of wear-resistant layers on barrier-layer-forming metals or their alloys by means of laser treatment 有权
    通过激光处理生产阻挡层形成金属或其合金上的耐磨层

    公开(公告)号：US20080102298A1

    公开(公告)日：2008-05-01

    申请号：US11978422

    申请日：2007-10-29

    申请人： Peter Kurze ,  Hermann H. Urlberger ,  Jurgen Koch

    发明人： Peter Kurze ,  Hermann H. Urlberger ,  Jurgen Koch

    IPC分类号： C23C14/14

    CPC分类号： C23C8/10 ,  C23C28/044 ,  C23C28/048

    摘要： Disclosed is a method for producing wear-resistant layers on materials of barrier-layer-forming metals, such as aluminum, magnesium and titanium and their alloys and mixtures, preferably aluminum or its alloys, by means of laser treatment, the material surface being exposed to a laser irradiation in the presence of an atmosphere containing oxygen in such a way that the upper or outer layer of the material surface reacts with the oxygen to form an oxide of the metal constituting the material, preferably aluminum oxide, and the layer of the material lying under that is remelted without reacting with the atmosphere containing oxygen. This results in a multilayer structure with excellent wear-resistant properties, including excellent corrosion resistance, excellent abrasion resistance and extreme hardness that does not exhibit any brittleness as a result of the hardness gradient within the layer structure.

    摘要翻译： 公开了一种在阻挡层形成金属如铝，镁和钛及其合金和混合物（优选铝或其合金）的材料上通过激光处理制造耐磨层的方法，该材料表面被暴露 在含有氧的气氛的情况下进行激光照射，使得材料表面的上层或外层与氧反应形成构成材料的金属的氧化物，优选为氧化铝， 位于其下方的材料重新熔化而不与含有氧的气氛反应。 这导致具有优异的耐磨性能的多层结构，包括优异的耐腐蚀性，优异的耐磨性和极高的硬度，由于层结构内的硬度梯度，其不显示任何脆性。