• in situ raman spectroscopy study of corrosion products on the surface of carbon steel in solution containing cl− and view the mathml source

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    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 636
    • تعداد پرسش و پاسخ ها: 0
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     corrosion products of carbon steel in a simulated solution containing cl and so2-4 were investigated by in situ raman spectroscopy with a self-designed device. the results of raman test and the sem/eds analysis of samples in different immersion times indicate that the corrosion products on the surface of the carbon steel consist of double rust layers, i.e. a porous outer layer (lepidocrocite γ-feooh) and a compact inner layer (magnetite fe3o4). aggressive ions such as cl and so2-4 promote corrosion leading to the formation of lepidocrocite γ-feooh. weight loss vs. time curve was also measured to study the effects of corrosion products. corrosion products on a parallel sample were tested by raman spectroscopy in air environment, which shown a distinct result from the one of in situ test.

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