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181 条记录 (耗时 0.017 秒)

    Corrosion protection of steel in concrete
    82.
    发明授权
    Corrosion protection of steel in concrete 有权
    钢筋混凝土防腐保护

    公开(公告)号：US08273239B2

    公开(公告)日：2012-09-25

    申请号：US12814120

    申请日：2010-06-11

    申请人： Gareth Kevin Glass ,  Adrian Charles Roberts ,  Nigel Davison

    发明人： Gareth Kevin Glass ,  Adrian Charles Roberts ,  Nigel Davison

    IPC分类号： C23F13/14 ,  C23F13/08 ,  C23F13/10 ,  C23F13/12 ,  C23F13/16

    CPC分类号： C23F13/06

    摘要： An electric field modifier for boosting a current output of a sacrificial anode to enhance its protective effect and direct the current output to improve current distribution in galvanic protection of steel in a concrete element exposed to air is disclosed. A cavity is formed in a concrete element and a combination comprising a sacrificial anode, an electric field modifier and an ionically conductive filler are embedded therein. The sacrificial anode is connected to the steel. The modifier comprises an element with an anode side, supporting an oxidation reaction, in electrical contact with a cathode side, supporting a reduction reaction. The cathode of the modifier faces the sacrificial anode and is separated therefrom by a filler which contains an electrolyte that connects the sacrificial anode to the cathode of the modifier. The anode of the modifier faces away from the sacrificial anode. Preferably, the reduction reaction, on the cathode of the modifier, comprises reduction of oxygen from the air.

    摘要翻译： 公开了一种用于升高牺牲阳极的电流输出以增强其保护效果并引导电流输出以改善暴露于空气的混凝土元件中钢的电保护中的电流分布的电场调节器。 在混凝土元件中形成空腔，并且包括牺牲阳极，电场改性剂和离子导电填料的组合。 牺牲阳极连接到钢。 改性剂包括具有阳极侧的元件，其支撑氧化反应，与阴极侧电接触，支持还原反应。 改性剂的阴极面向牺牲阳极，并通过包含将牺牲阳极连接到改性剂的阴极的电解质的填料分离。 改性剂的阳极背离牺牲阳极。 优选地，在改性剂的阴极上的还原反应包括从空气中还原氧。

    Composite anode for cathodic protection
    83.
    发明授权
    Composite anode for cathodic protection 有权
    用于阴极保护的复合阳极

    公开(公告)号：US08157983B2

    公开(公告)日：2012-04-17

    申请号：US12531779

    申请日：2008-02-25

    申请人： John E. Bennett

    发明人： John E. Bennett

    IPC分类号： C23F13/14

    CPC分类号： C23F13/02 ,  C23F2201/02 ,  C23F2213/22

    摘要： The galvanic cathodic protection of steel embedded in concrete structures is enhanced by the utilization of a flexible composite anode assembly containing a sacrificial anode member. The anode member is at least partially covered by a matrix comprising an ionically-conductive material. The conductive material includes at least one electrochemical activating agent such as a mixture of lithium bromide and lithium nitrate and a compressible water-retaining mineral such as a phyllosilicate mineral. The presence of this mineral in the matrix increases the current delivered by the anode, thereby resulting in a greater level of cathodic protection, and a longer effective service life of the anode. Exfoliated vermiculite is a preferred phyllosilicate mineral and is present in an amount of between about 2% and about 15% by weight, based on the total weight of the matrix.

    摘要翻译： 通过利用包含牺牲阳极部件的柔性复合阳极组件，增强了嵌入在混凝土结构中的钢的电镀阴极保护。 阳极构件至少部分被包含离子导电材料的基体覆盖。 导电材料包括至少一种电化学活化剂，例如溴化锂和硝酸锂的混合物以及可压缩的保水矿物如页硅酸盐矿物。 这种矿物在基体中的存在增加了阳极传递的电流，从而导致更高水平的阴极保护和更长的阳极使用寿命。 剥离的蛭石是优选的页硅酸盐矿物，并且基于基质的总重量以约2重量％至约15重量％的量存在。

    Cathodic protection
    84.
    发明授权
    Cathodic protection 有权
    阴极保护

    公开(公告)号：US07914661B2

    公开(公告)日：2011-03-29

    申请号：US11854139

    申请日：2007-09-12

    申请人： David Whitmore

    发明人： David Whitmore

    IPC分类号： C23F13/16 ,  C23F13/08 ,  C23F13/10 ,  C23F13/12 ,  C23F13/14

    CPC分类号： C23F13/06 ,  C23F13/10 ,  C23F13/16 ,  C23F2201/02

    摘要： Cathodic protection of a structure including a steel member at least partly buried in a covering layer, such as steel rebar in a concrete structure, is provided by embedding sacrificial anodes into the concrete layer at spaced positions over the layer and connecting the anodes to the rebar. The anode body is formed, by pressing together finely divided powder, flakes or fibers of a sacrificial anode material such as zinc to define a porous body having pores therein. The sacrificial anode material of the anode member is directly in contact with the covering material by being buried or inserted as a tight fit into a drilled hole so that any expansion forces therefrom would be applied to the concrete with the potential of causing cracking. The pores are arranged however such that corrosion products from corrosion of the anode body are received into the pores sufficiently to prevent expansion of the anode body to an extent which would cause cracking of the covering material.

    摘要翻译： 包括至少部分地埋在覆盖层中的钢构件的结构的阴极保护，例如混凝土结构中的钢筋，通过将牺牲阳极嵌入混凝土层中并且将阳极连接到钢筋上而提供 。 阳极体通过将细分散的粉末，诸如锌等牺牲阳极材料的薄片或纤维压在一起形成，以限定其中具有孔的多孔体。 阳极部件的牺牲阳极材料通过被埋入或插入钻孔中而直接与覆盖材料接触，从而将其中的任何膨胀力施加到具有引起裂纹的可能性的混凝土中。 然而，孔被布置成使得阳极体的腐蚀产生的腐蚀产物被充分地容纳到孔中，以防止阳极体膨胀到使覆盖材料破裂的程度。

    Method to prevent rusting and general oxidation for metals and nonmetals
    85.
    发明申请
    Method to prevent rusting and general oxidation for metals and nonmetals 审中-公开
    防止金属和非金属生锈和一般氧化的方法

    公开(公告)号：US20050044989A1

    公开(公告)日：2005-03-03

    申请号：US10649864

    申请日：2003-08-28

    申请人： Chung-Pin Liao

    发明人： Chung-Pin Liao

    IPC分类号： C09D5/08 ,  C23F13/14 ,  C22B60/00

    CPC分类号： C23F13/14 ,  C09D5/084

    摘要： This invention provides an anode-free, passive and versatile cathodic protection method to robustly achieve anti-corrosion purposes on a wide range of materials (including metals, nonmetals and composites) under various situations for very long time, by utilizing beta emitters such as nickel-63. Normally, radioisotopes, other than the beta emitters adopted in this invention, are considered hazardous when applied within our daily environment. For this reason, long-life (e.g., on the order of 100 years, therefore of small decay constant), low-energy (much less than the MeV level) beta emitters, such as the adopted nickel-63, are always overlooked for such crucial anti-corrosion applications.

    摘要翻译： 本发明提供了一种无阳极，被动和通用的阴极保护方法，通过利用β发射体如镍，在许多情况下，在很长的时间内，广泛的材料（包括金属，非金属和复合材料）上实现抗腐蚀目的 -63。 通常，除了本发明采用的β发射体之外，放射性同位素在我们的日常环境中应用时被认为是有害的。 因此，长寿命（例如，100年左右，因此具有小衰减常数），低能量（远低于MeV等级）的β发射体，如采用的镍63，总是被忽视 这种至关重要的防腐应用。

    Method for inhibiting inland corrosion of steel
    87.
    发明授权
    Method for inhibiting inland corrosion of steel 失效
    抑制钢内陆腐蚀的方法

    公开(公告)号：US4980195A

    公开(公告)日：1990-12-25

    申请号：US348948

    申请日：1989-05-08

    申请人： Robert Olds

    发明人： Robert Olds

    IPC分类号： C23C14/16 ,  C23F13/14

    CPC分类号： C23F13/14 ,  C23C14/16

    摘要： An improved method for inhibiting inland atmospheric corrosion of steel by a sacrificial coating of aluminum, galvanically activated by small surface deposits of metallic indium is disclosed.

    摘要翻译： 公开了一种通过铝的牺牲涂层抑制钢的内陆大气腐蚀的改进方法，其由金属铟的小表面沉积物电激活。

    Galvanic coating with ternary alloys containing aluminum and magnesium
    88.
    发明授权
    Galvanic coating with ternary alloys containing aluminum and magnesium 失效
    含有铝和镁的三元合金的电镀

    公开(公告)号：US4826657A

    公开(公告)日：1989-05-02

    申请号：US75591

    申请日：1987-07-20

    申请人： Bryan E. Wilde ,  Michael K. Budinski

    发明人： Bryan E. Wilde ,  Michael K. Budinski

    IPC分类号： C23C2/12 ,  C23F13/14 ,  G01N17/02 ,  C22C21/00

    CPC分类号： C23F13/14 ,  C23C2/12 ,  G01N17/02

    摘要： Galvanic protection of steel is provided by means of coupling thereto of ternary alloys of Al/2.5 to 4% wt. Mg, 0.5 to 3.5% wt. Si, and Al/2.5-4% wt. Mg, 0.5 to 3.5% wt. Ge with teachings of steel having either alloy coupled thereto, as well as the alloys per se. Also, a technique for determining alloys useful for the cathodic protection is presented including determining the critical cathodic protection potential for steel and the galvanic current and corrosion potential for candidate alloy compositions followed by coupling to the steel of one such alloy composition whose determined corrosion potential is lower than the critical corrosion potential for the steel in the corrosive environment in which protection is sought.

    摘要翻译： 通过与Al / 2.5〜4重量％的三元合金的结合来提供钢的电气保护。 Mg，0.5〜3.5重量％ Si和Al / 2.5-4％wt。 Mg，0.5〜3.5重量％ Ge与具有与其结合的合金的钢的教导以及合金本身。 此外，提出了一种用于确定用于阴极保护的合金的技术，包括确定钢的临界阴极保护电位以及候选合金组成的电流和腐蚀电势，然后将其与确定的腐蚀电位为 低于要求保护的腐蚀环境中的钢的临界腐蚀电位。