【摘要】 <正> 海水对金属的腐蚀破坏作用是十分严重的,特別是异种金属的接触,在海水中形成宏观电池更加剧电负性较大的金属腐蚀。有关海洋设施,由于选材设计不合理,或由于使用不当往往造成异种金属接触或其它方面的腐蚀问题。本文讨论的进口1825型浮球和1090 D型声学释放器就是上述情况兼而有之的一例。更多还原

【Abstract】 Severe corrosion appeared on the buoy and the releaser deployed in the sea off Qingdao for 50 days intermittently. The largest pitting of corrosion reached 4mm. The cause of these pittings has been analysed in this paper. Technique for protecting these metal structures from corrosion and fouling and methods for correct usage of these systems are also given.更多还原