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    • 4. 发明申请
    • Process for Forming Anticorrosive Coating
    • 防腐涂层成型工艺
    • US20080029401A1
    • 2008-02-07
    • US11547475
    • 2005-04-28
    • Kenichi AkamineYasunobu Suzuki
    • Kenichi AkamineYasunobu Suzuki
    • C23F15/00C25D9/10E02D31/06
    • E02D5/64C23F2213/31C25D9/10
    • Anticorrosive coating is formed cheaply and in a short period, which facilitates its general application to marine steel structures.A steel caisson 1 is used as a cathode, an undersea member 3 arranged in seawater and opposed to the steel caisson 1 is used as anode. Direct current is passed between the electrodes so that anticorrosive coating 8 is formed on the steel caisson 1 through electrolytic reaction of the seawater, thereby attaining anticorrosion. The electric current is passed between the electrodes such that coating 7 with magnesium hydrate as dominant constituent is formed on the steel caisson 1 to have a predetermined thickness; then, supply of the electric current is stopped. Thus, anticorrosive coating 8 is formed through compositional substitution effect of substituting calcium carbonate for the magnesium hydrate in the presence of seawater.
    • 防腐涂层成本低廉,在短时间内,有利于其广泛应用于海洋钢结构。 使用钢制沉箱1作为阴极,将配置在海水中并与钢制沉箱1相对的海底构件3用作阳极。 在电极之间通过直流电流,通过海水的电解反应在钢沉箱1上形成防锈涂层8,从而实现防腐蚀。 在电极之间通过电流,使得在钢制沉箱1上形成具有预定厚度的以水合镁为主要成分的涂层7; 那么停止供应电流。 因此,通过在海水存在下用碳酸钙代替水合镁的组合取代效果形成防腐涂层8。