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Method of protection of the aluminium and alloys thereof against the galvanic corrosion in combination with the iron and alloys thereof, in aqueous medium chloride.
Method of protection of the aluminium and alloys thereof against the galvanic corrosion in combination with the iron and alloys thereof, in aqueous medium chloride.
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机译:在氯化铝水溶液中,保护铝及其合金与铁及其合金组合免受电腐蚀的方法。
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摘要
This process consists in adding to the medium an organic compound belonging to the group consisting of picolic acid and isonicotinic acid. It finds its application in the protection against corrosion of devices consisting of aluminium parts and of steel parts working in contact with saline chloride solutions, such as seawater cooling circuits. As iron constitutes the major impurity in aluminium, it is possible to protect in the same way aluminium wires immersed in saline chloride solutions and thus to avoid any pitting, even with wires of very small diameter. IMAGE
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