MATERIALES METALICOS ELECTRODEPOSITADOS QUE COMPRENDEN COBALTO.

    公开(公告)号:MX2011012583A

    公开(公告)日:2011-12-14

    申请号:MX2011012583

    申请日:2010-05-31

    Abstract: La presente invención se refiere a artículos o artículos autónomos recubiertos al menos parcialmente con materiales metálicos que llevan Co amorfos y/o de granos finos, substancialmente libres de porosidad, que contienen opcionalmente materiales particulados sólidos dispersados en los mismos. Las capas y/o parches metálicos electrodepositados que comprenden Co proporcionan, mejoran o restablecen la resistencia, el uso y/o la lubricidad de los substratos sin reducir el funcionamiento en condiciones de fatiga comparado con el substrato recubierto con Cr no recubierto o de espesor equivalente. Los recubrimientos metálicos amorfos y/o de granos finos que comprenden Co son particularmente adecuados para los artículos expuestos a ciclización térmica, fatiga y otras tensiones y/o en aplicaciones que requieren propiedades antimicrobianas e hidrofóbicas.

    19.
    发明专利
    未知

    公开(公告)号:DE69313460T3

    公开(公告)日:2003-12-24

    申请号:DE69313460

    申请日:1993-11-26

    Abstract: A process for producing nanocrystalline materials, and in particular nanocrystalline nickel having an average grain size of less than about 11 nanometers is described. The nanocrystalline material is electrodeposited onto the cathode in an aqueous acidic electrolytic cell by application of a pulsed D.C. current. The cell electrolyte also contains a stress reliever, such as saccharin, which helps to control the grain size. The novel product of the invention find utility as wear resistant coatings, hydrogen storage materials, magnetic materials and as catalysts for hydrogen evolution.

    20.
    发明专利
    未知

    公开(公告)号:DK0670916T4

    公开(公告)日:2003-04-22

    申请号:DK94900026

    申请日:1993-11-26

    Abstract: A process for producing nanocrystalline materials, and in particular nanocrystalline nickel having an average grain size of less than about 11 nanometers is described. The nanocrystalline material is electrodeposited onto the cathode in an aqueous acidic electrolytic cell by application of a pulsed D.C. current. The cell electrolyte also contains a stress reliever, such as saccharin, which helps to control the grain size. The novel product of the invention find utility as wear resistant coatings, hydrogen storage materials, magnetic materials and as catalysts for hydrogen evolution.

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