CORROSION PROPERTIES OF NANOSIZED FILMS FORMED BY VOLATILE ORGANIC COMPOUNDS OF VEGETABLE ORIGIN
Purpose. To develop an environmentally friendly volatile inhibitor for the protection of atmospheric corrosion of carbon steel based on vegetable wastes, namely, pomace of industrial processing of apricot.
Methodology. The corrosion resistance of volatile fractions of the inhibitor was evaluated by accelerated corrosion tests. The morphology and thickness of the formed films were studied by scanning atomic force microscopy.
Results. It is established that a highly protective film of volatile organic compounds of apricot shoots with a thickness of up to 250 nm is formed not less than 48 hours, providing inhibition of anodic and cathodic corrosion reactions under conditions of periodic moisture condensation. The optimum concentration of volatile compounds provides complete protection of the metal against corrosion.
Originality. It has been shown that the pomace of industrial apricot processing are the raw material for the creation of an effective environmentally friendly inhibitor for the temporary protection of rolled metal from atmospheric corrosion. The features of the process of forming the protective film and its thickness are determined.
Practical value. The results indicate the effectiveness of the use of packaging materials with volatile inhibitors based on vegetable waste (pomace apricot) for use by metal rolling manufacturer to improve the competitiveness metal products.
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