Abstract
In the present work, using a new approach, Fe–Al intermetallics were formed on the surface of a low-carbon steel (ST52) in order to study its effects on the oxidation, hardness and abrasive behavior. The samples were welded with gas tungsten arc welding technique using an aluminum–iron powder (stoichiometry ratio of 1:1) as filer. The microstructural evolutions of coated samples were then characterized using scanning electron microscopy and X-ray diffraction techniques. Besides, hardness and abrasion tests were carried out to study the abrasive behavior of coated layer. The resistance to hot oxidation of coated samples were evaluated by heating to 500, 600 and 700 °C and holding for 2 h. The results show that Fe3Al and aluminum–iron carbide (FeAlC0.65) were formed on surface of samples. The formation of these phases resulted in increase in the hardness and oxidation resistance, while no improvement on the wear resistance was observed.
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Izadinia, M., Shamanian, M., Mohammadi, H. et al. Improvement in the Environmental Resistance to Oxidation and Surface Properties of Simple Carbon Steel Using Aluminum Coating. Trans Indian Inst Met 65, 497–502 (2012). https://doi.org/10.1007/s12666-012-0157-2
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DOI: https://doi.org/10.1007/s12666-012-0157-2