Abstract
Aluminide coatings on a mild steel substrate were modified by using an oxygen-active element, yttrium, for improved resistance to corrosive erosion. The performance of the yttrium-containing coating during the following three erosion conditions was evaluated: dry sand erosion at different temperatures, erosion in a dilute NaCl slurry containing 30% silica sand, and erosion in a dilute H2SO4 slurry containing 30% silica sand. Results of the study demonstrated that yttrium significantly improved the resistance of the aluminide coating to both corrosive erosion and dry sand erosion.
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Zhang, T., Luo, Y. & Li, D.Y. Modification of aluminide coating with yttrium for improved resistance to corrosive erosion. J. of Materi Eng and Perform 8, 635–640 (1999). https://doi.org/10.1361/105994999770346387
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DOI: https://doi.org/10.1361/105994999770346387