Corrosion of Carbon Steel in Nanofluid Containing ZrO₂ Nanoparticle at Different Temperature

Abstract:

Corrosion of carbon steel in nanofluid containing 0.1 gpl of ZrO₂ nanoparticle at temperature from 25 to 55°C was investigated by using potentiodynamic polarization techniques. The open circuit potential measurements, cathodic and anodic polarization were used to characterize the corrosion behavior of carbon steel. Metallurgical techniques such as optical microscopy and X-ray diffraction (XRD) were used to characterize the alloys before and after corrosion testing. The microstructures of the as received carbon steel exhibited equaxed morphology. While corrosion specimens showed that microstructure of carbon steel alloys relatively unchanged after polarization testing. X ray diffraction examination of carbon steel before polarization represent γ phase and after polarization is still γ phase with minor Fe2O3. The open circuit potentials of carbon steel increase to positive displacement with increasing temperature nanofluids. The results of polarization technique show that corrosion currents increase and therefore corrosion rates become faster with the increase of nanofluids temperature.

• Periodical: Advanced Materials Research (Volume 896)
• Pages: 168-172
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.896.168
• Online since: February 2014
• Authors: Djoko Hadi Prajitno*, Dani Gustaman Syarif
• Keywords: Carbon Steel, Corrosion, Nanofluid, Nanoparticle ZrO₂, Polarization

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