Review of Nitrite Inhibitor for Protection of Rebar Corrosion

Authors

  • Anil Kumar National Institute of Foundry and Forge Technology (NIIFT), Hatia, Ranchi
  • Altaf Ahmad Al-Kabir Polytechnic, Mango, Jamshedpur, India

Keywords:

concrete, reinforcement, rebar, corrosion, polarization, inhibitor (cathodic, anodic), immersion test, Cl- permeation

Abstract

Load bearing concrete structures need steel reinforcement (rebar) strips or rods, which are prone to attack by the corrosive environment inside the concrete due to constant ingress of moisture, pollutant gases and anions (mainly Cl-, SO4- -). One of the means of reducing such type of corrosion is the use of inhibitors. Inhibitors are water soluble but film forming on metals by their selective adsorption on the metal surface. These may be inorganic or organic chemicals selected on the basis of their performance in inhibition but the nitrite inhibitors were suitable choice for protection of rebar corrosion. 

Author Biographies

  • Anil Kumar, National Institute of Foundry and Forge Technology (NIIFT), Hatia, Ranchi
    Dept. of Science and Humanities
  • Altaf Ahmad, Al-Kabir Polytechnic, Mango, Jamshedpur, India
    Dept. of Engg. Chemistry

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Published

2019-04-16

Issue

Vol. 3 No. 1 (2013)

Section

Articles

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