Abstract
In recent years, a large number of outdoor fitness equipment have been newly built in China. In order to improve the anticorrosion property of outdoor fitness equipment, a new type of Ti/Zr/Mo conversion coating (TiZrMoCC) has been prepared on its surface. The surface morphology, element distribution, phase composition, and anticorrosion property were systematically measured, and the relationships between them were established. The results show that the optimal conversion temperature and time were 30 °C and 20 min, respectively. Under the optimal conversion parameters, the surface morphology of the TiZrMoCC is relatively flat and dense, and its phase compositions mainly consisted of TiO2, ZrO2, MoO3, Mo2O5 and Fe2O3, as well as a small quantity of Na3FeF6 and ZrF4. The TiZrMoCC could significantly reduce corrosion rate with the lower i corr , which is also confirmed by EIS results. The ACR of the TiZrMoCC decreased by nearly 63.5% compared to the Q235 matrix, and it has positive significance for protecting outdoor fitness equipment.
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