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    • 6. 发明授权
    • Method for cathodic protection of aluminum material
    • 铝材料阴极保护方法
    • US4510030A
    • 1985-04-09
    • US521753
    • 1983-08-09
    • Teruo MiyashitaKoichi Yoshida
    • Teruo MiyashitaKoichi Yoshida
    • C23F13/04C23F13/00
    • C23F13/04
    • An aluminum article is protected against electrochemical corrosive attack by an aqueous medium with which the article is at least partially in contact by the steps of observing the cathodic potential of the article relative to a reference electrode in contact with the medium; when the observed cathodic potential of said article approaches the potential at which pitting corrosion of the same is initiated, electrically connecting said article directly to a source of potential electronegative with respect to the observed potential of the article to repress the cathodic potential of said article to within the alkali corrosion range; and after the cathodic potential is repressed within the alkali corrosion range, disconnecting the article from said electronegative potential source to allow the article to gradually return to its natural cathodic potential in the medium.
    • 通过观察制品相对于与介质接触的参比电极的阴极电位的步骤,防止铝制品被水性介质的电化学腐蚀性侵蚀,所述水性介质通过该水介质至少部分接触; 当所述制品的观察到的阴极电势接近其起始点腐蚀的电位时,将所述制品直接与所述制品的观察到的电位直接连接到潜在的电负极源,以将所述制品的阴极电位压制成 在碱腐蚀范围内; 并且在碱腐蚀范围内抑制阴极电位之后,将制品与所述电负性电位源断开,以允许制品在介质中逐渐返回到其天然阴极电位。