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    • 1. 发明授权
    • Method for creating a corrosion-resistant surface on aluminum alloys
having a high copper content
    • 在具有高铜含量的铝合金上形成耐腐蚀表面的方法
    • US5582654A
    • 1996-12-10
    • US247147
    • 1994-05-20
    • Florian B. MansfeldYou WangSimon H. Lin
    • Florian B. MansfeldYou WangSimon H. Lin
    • C25D11/06C25F3/04C25F3/06C23C22/50
    • C23F1/00C23C22/68C23C22/78C25D11/06C25F3/04C25F3/06
    • A method for treating the surface of aluminum alloys having a relatively high copper content is provided which includes the steps of removing substantially all of the copper from the surface, contacting the surface with a first solution containing cerium, electrically charging the surface while contacting the surface in an aqueous molybdate solution, and contacting the surface with a second solution containing cerium. The copper is substantially removed from the surface in the first step either by (i) contacting the surface with an acidic chromate solution or by (ii) contacting the surface with an acidic nitrate solution while subjecting the surface to an electric potential. The corrosion-resistant surface resulting from the invention is excellent, consistent and uniform throughout the surface. Surfaces treated by the invention may often be certified for use in salt-water services.
    • 提供了一种用于处理铜含量相对较高的铝合金表面的方法,其包括从表面去除基本上所有的铜的步骤,使表面与含有铈的第一溶液接触,同时使表面接触,同时接触表面 在钼酸水溶液中,并使表面与含有铈的第二溶液接触。 通过(i)使表面与酸性铬酸盐溶液接触或(ii)使表面与酸性硝酸盐溶液接触,同时使表面经受电位,铜在第一步骤中基本上从表面除去。 由本发明产生的耐腐蚀表面在整个表面上是优异的,一致的和均匀的。 通过本发明处理的表面通常可以被认证用于盐水服务。
    • 4. 发明授权
    • Electrodeposition of platinum/iridium (Pt/Ir) on Pt microelectrodes with improved charge injection properties
    • 铂/铱(Pt / Ir)在Pt微电极上电沉积,具有改进的电荷注入性能
    • US08795504B2
    • 2014-08-05
    • US12870702
    • 2010-08-27
    • Artin PetrossiansArtak ArakelianJames D. WeilandFlorian B. MansfeldJohn J. Whalen, III
    • Artin PetrossiansArtak ArakelianJames D. WeilandFlorian B. MansfeldJohn J. Whalen, III
    • C25D3/56
    • A61B5/04001A61N1/05C25D3/567H01B1/02H01M4/921Y10T428/12875
    • Aspects of the present disclosure are directed to electrochemical approaches for synthesis of platinum-iridium alloys with selected platinum-iridium ratio content and subsequently predetermined mechanical properties and electrochemical impedance properties. Such can provide a simple and cost-effective process for preparing these electrodes, as compared to conventional thin film processing techniques. A three-electrode electrochemical electrodeposition system is described including an electrochemical cell with a working electrode on which the electrodeposited film is deposited, a counter electrode to complete the electrochemical circuit and a reference electrode to measure and control surface potential. Mixed layers of platinum atoms and iridium atoms can be deposited from electrolyte solution onto the working electrode surface to create an electrically conductive surface with material properties related to the composition of the as-deposited film. The mechanical properties and electrochemical properties of the film can be tuned by adjusting the electrodeposition parameters.
    • 本公开的方面涉及用于合成具有选定的铂 - 铱比含量和随后预定的机械性能和电化学阻抗性质的铂 - 铱合金的电化学方法。 与传统的薄膜处理技术相比,这样可以提供用于制备这些电极的简单和成本有效的方法。 描述了三电极电化学电沉积系统,其包括具有其上沉积有电沉积膜的工作电极的电化学电池,用于完成电化学电路的对电极和用于测量和控制表面电位的参比电极。 可将铂原子和铱原子的混合层从电解质溶液沉积到工作电极表面上以产生具有与沉积膜的组成相关的材料性质的导电表面。 可以通过调节电沉积参数来调节膜的机械性能和电化学性能。
    • 7. 发明授权
    • Use of rare earth metal salt solutions for sealing or anodized aluminum for corosion protection and paint adhesion
    • 使用稀土金属盐溶液进行密封或阳极氧化处理铝,用于防腐​​和油漆附着
    • US06248184B1
    • 2001-06-19
    • US09076310
    • 1998-05-11
    • Dennis L. DullFlorian B. Mansfeld
    • Dennis L. DullFlorian B. Mansfeld
    • C23C2256
    • C23C28/042C23C30/00C25D11/246
    • A process for sealing the surface coating formed by anodizing an aluminum or aluminum alloy substrate (for example, aerospace, commercial, and architectural products), the process including the steps of: (a) providing an aluminum or aluminum alloy substrate with a surface coating formed thereon by anodizing the aluminum or aluminum alloy substrate; (b) providing a sealing solution comprising a dilute solution of a rare earth metal salt selected from the group consisting of cerium salts and yttrium salts; and (c) contacting the substrate with the sealing solution for a sufficient amount of time to seal the surface coating on the substrate. Also disclosed is a chemical sealing solution for sealing the surface coating formed by anodizing an aluminum or aluminum alloy substrate, the solution being a dilute solution of a rare earth metal salt selected from the group consisting of cerium salts and yttrium salts.
    • 一种用于密封通过阳极氧化铝或铝合金基底(例如航空航天,商业和建筑产品)形成的表面涂层的方法,该方法包括以下步骤:(a)提供具有表面涂层的铝或铝合金基底 通过对铝或铝合金基材进行阳极氧化而在其上形成;(b)提供包含选自铈盐和钇盐的稀土金属盐的稀溶液的密封溶液; 和(c)使衬底与密封溶液接触足够的时间以密封衬底上的表面涂层。 还公开了一种用于密封通过阳极氧化铝或铝合金基底形成的表面涂层的化学密封溶液,该溶液是选自铈盐和钇盐的稀土金属盐的稀溶液。
    • 9. 发明授权
    • Electrochemical cell for measuring hydrogen in metal
    • 用于测量金属中氢的电化学电池
    • US4221651A
    • 1980-09-09
    • US51771
    • 1979-06-25
    • Florian B. MansfeldDavid K. Roe
    • Florian B. MansfeldDavid K. Roe
    • G01N27/28G01N27/49G01N27/46
    • G01N27/4045G01N33/203
    • A cell is provided which utilizes the electrochemical permeation technique to determine the hydrogen content of a metal. The working face of the cell has an opening into a cavity within the cell. A sponge for holding electrolyte fits in the cavity and an anode extends into the cavity. A contact is provided on the working face for contacting the metal being measured. When the cell is held against the metal being measured by the magnet which encloses the cell, a current caused by the oxidation of hydrogen permeating from the metal flows between the anode and the contact electrode. A circuit is provided to measure this hydrogen oxidation current and to calculate the hydrogen content based upon diffusion equations. A seal formed around the opening prevents leakage of electrolyte during the measurement and defines the area being measured. The potential between a special reference electrode positioned in the cavity and the anode is measured to determine if the anode is properly charged and to confirm that sufficient electrolyte is present in the cavity.
    • 提供了一种使用电化学渗透技术来确定金属的氢含量的电池。 电池的工作面具有在电池内的空腔的开口。 用于保持电解质的海绵配合在空腔中,阳极延伸到空腔中。 在工作面上提供​​接触以接触被测金属。 当电池被保持在被包围电池的磁体测量的金属上时,从金属渗透的氢的氧化引起的电流在阳极和接触电极之间流动。 提供电路来测量该氢氧化电流并且基于扩散方程计算氢含量。 在开口周围形成的密封件防止了测量过程中电解液的泄漏并确定了被测量区域。 测量位于空腔中的特殊参考电极和阳极之间的电位,以确定阳极是否被适当地充电,并确认空腔中是否存在足够的电解质。