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    Corrosion of reinforcing steel in concrete immersed in chloride solution and the effects of detergent additions on diffusion and concrete porosity
    (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY, 2002) Kahyaoglu, H; Erbil, M; Yazici, B; Yilmaz, AB
    In order to investigate the corrosion of reinforcing steel in concrete and the effects of chloride ions, oxygen diffusion and detergent additives of linear alkylbenzene (LAB) and linear alkylbenzene sulfonate (LAS), potentiokinetic experiments were carried out. Thus, by embedding steel electrodes into concrete specimens with a water/cement (W/C) ratio of 0.45, current-potential curves were obtained and the compressive strength of the specimens was measured. The electrochemical approach can be used to identify the effect of chloride on steel corrosion in concrete. It was found that the diffusion of chloride and oxygen through concrete and the reduction of oxygen on the metal surface are important parameters controlling reinforcing steel corrosion.
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    The primary study on the effects of primer alcohols on the hydrogen evolution reaction on silver electrode
    (PERGAMON-ELSEVIER SCIENCE LTD, 2003) Gurten, AA; Kayakirilmaz, K; Yazici, B; Erbil, M
    The cathodic behaviour of silver in 0.01 M NaCl and 0.01 M NaCl + 1.0 alcohols which are methyl, ethyl and propyl alcohols is investigated at pH 3 and 5 by means of electrolysis. The experimental (E-exp) and theoretical (E-rev) discharge potential are determined in all solutions between Pt and Ag electrodes. The cathodic and anodic overpotentials on silver cathode were determined using a platinum anode. The hydrogen gas is produced on constant potentials (5.00 or 10.00 V) on silver cathode. It is observed that the presence of alcohols decreases the anodic overpotential and increases the hydrogen yield in NaCl solution. (C) 2003 International Association for Hydrogen Energy. Published by Elsevier Science Ltd. All rights reserved.