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由工业铝制成的各种铝制器皿,在库存中最常出现的腐蚀类型为白色斑状或丝状腐蚀。历年来,由于铝制品的这种腐蚀,给国家造成一定的损失。上海百货站在工业部门和商业储运部门的积极配合下,对铝制品的库存腐蚀和防腐问题进行了一些试验研究,现提出初步分析探讨如下。一、腐蚀原因铝本是十分活泼的金属,它的标准电极电位为-1.67伏。但因铝在大气中表面迅速生成一层致密的氧化膜起保护作用,故它在中性或氧化性介质中具有较好的耐蚀性。但
The various types of aluminum utensils made of industrial aluminum have the most common type of corrosion in their inventory as white patchy or filiform corrosion. Over the years, due to the corrosion of aluminum products, the country caused some losses. With the active cooperation of the industrial department and the commercial storage and transportation department, Shanghai Department Stores conducted some pilot studies on the inventory corrosion and corrosion protection of aluminum products. The preliminary analysis and discussion are as follows. First, the cause of corrosion Aluminum is a very lively metal, its standard electrode potential of -1.67 volts. However, due to the rapid formation of aluminum in the atmosphere surface layer of dense oxide film from the protective effect, so it has good corrosion resistance in neutral or oxidizing media. but