In this study, an epoxy/polyaniline–camphorsulfonate nanocomposite (epoxy/PANI–CSA) is employed to
protect reinforcing steels in chloride-laden concrete environment. The synthesized nanocomposite was
characterized using Fourier transform infrared spectroscopy and transmission electron microscopy. Bare,
epoxy-coated and epoxy/PANI–CSA nanocomposite-coated steel rebars were embedded in normal and
self-compacting concretes. To evaluate their corrosion behaviors, open circuit potential and impedance
measurements were performed for the duration of 1 year. Ultimate bond strength of concrete with the
reinforcement bars were measured in corroded and uncorroded conditions. It was found that epoxy/
PANI–CSA coating provides good corrosion resistance and durable bond strength with concrete for steel
rebars.