Corrosion inhibition of Al-bronze in acidified 4% NaCl solution

The synergistic effect between either benzotriazole (BTA) or thiourea (TU) and iodide ion are used to retard the dissolution of Al–bronze alloy in deaerated solution of acidified 4% NaCl of pH 1.8–2 at 60 °C; this is shown by the weight loss and polarization techniques. Iodide ion alone has no effec...

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Veröffentlicht in:Journal of materials science 1997-07, Vol.32 (14), p.3693-3700
Hauptverfasser: EL-WARRAKY, A. A, EL-DAHAN, H. A
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EL-DAHAN, H. A
description The synergistic effect between either benzotriazole (BTA) or thiourea (TU) and iodide ion are used to retard the dissolution of Al–bronze alloy in deaerated solution of acidified 4% NaCl of pH 1.8–2 at 60 °C; this is shown by the weight loss and polarization techniques. Iodide ion alone has no effect on the dissolution of the alloy but addition of 100 p.p.m. KI to 300 p.p.m. of both BTA and TU improved the inhibition efficiency to 92% and 78.8%, respectively, and also decreased the anodic current density in both media.
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Iodide ion alone has no effect on the dissolution of the alloy but addition of 100 p.p.m. KI to 300 p.p.m. of both BTA and TU improved the inhibition efficiency to 92% and 78.8%, respectively, and also decreased the anodic current density in both media.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1023/A:1018646800827</identifier><identifier>CODEN: JMTSAS</identifier><language>eng</language><publisher>Heidelberg: Springer</publisher><subject>Acidification ; Aluminum bronzes ; Applied sciences ; Benzotriazole ; Corrosion ; Corrosion prevention ; Dissolution ; Exact sciences and technology ; Materials science ; Metals. Metallurgy ; Sodium chloride ; Synergistic effect ; Weight loss</subject><ispartof>Journal of materials science, 1997-07, Vol.32 (14), p.3693-3700</ispartof><rights>1997 INIST-CNRS</rights><rights>Journal of Materials Science is a copyright of Springer, (1997). 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subjects Acidification
Aluminum bronzes
Applied sciences
Benzotriazole
Corrosion
Corrosion prevention
Dissolution
Exact sciences and technology
Materials science
Metals. Metallurgy
Sodium chloride
Synergistic effect
Weight loss
title Corrosion inhibition of Al-bronze in acidified 4% NaCl solution
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