Study of the corrosion inhibition of carbon-steel in dilute ammoniacal media using N-ciclohexil-benzothiazole-sulphenamida

被引：36
作者：
Samide, A
Bibicu, I
Rogalski, MS
Preda, M
机构：
[1] Inst Super Tecn, Dept Phys, P-2780 Oeiras, Portugal
[2] Inst Mat Phys, Bucharest 76900, Romania
[3] Univ Craiova, Fac Chem, Craiova 1100, Romania
来源：
CORROSION SCIENCE | 2005年 / 47卷 / 05期
关键词：
low alloy steel; electrochemical calculation; Mossbauer spectroscopy; weight loss; alkaline corrosion;
D O I：
10.1016/j.corsci.2004.06.018
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The inhibiting effect of N-ciclohexil-benzothiazole-sulphenamida (NCBSA) on the corrosion of carbon-steel in diluted ammonia solution at room temperature has been studied by Mossbauer spectroscopy, electrochemical measurements, weight loss and surface microscopic analysis. A decrease in the corrosion spot concentration with the increase of the NCBSA concentration indicates a good adsorbability of NCBSA on the metal surface. Mossbauer spectrometry shows the formation of a layer at the surface of the corroded sample, which is interpreted in terms of the formation of complexes between NCBSA and the metal cations present in the carbon-steel structure. (c) 2004 Elsevier Ltd. All rights reserved.
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页码：1119 / 1127
页数：9
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