Graphene Oxide as a Corrosion Inhibitor for Steel Reinforcement in Cement Extract Containing Chlorides
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE(2024)
摘要
This work aims at evaluating the potentiality of using graphene oxide modified with polycarboxylate-based superplasticizer as a corrosion inhibitor additive for reinforcement steel, by incorporating 0.002 and 0.05 wt.% of graphene oxide (GO) in the cement extract. Electrochemical impedance spectroscopy, linear polarization resistance, and X-ray photoelectron spectroscopy were used to investigate the inhibitive effect of GO against steel corrosion. The results indicated that the ratio of 1:8 of GO: polycarboxylate achieved the best level of GO dispersion in the cement extract. Besides, the amount of 0.002 wt.% GO gave the most promising results toward the corrosion inhibiting effect for steel in the studied environment.
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关键词
cement extract,corrosion,graphene oxide,reinforcement steel
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