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Organic corrosion inhibitors for mild steel in aerated near neutral chloride solutions

Tan, S.H., Hefter, G.T. and North, N.A. (1990) Organic corrosion inhibitors for mild steel in aerated near neutral chloride solutions. In: 30th Australasian Corrosion Association Conference, 19 - 23 November, Auckland, New Zealand

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Over 120 organic compounds have been investigated as potential corrosion inhibitors for mild steel in simulated engine coolants. A relationship has been found between the corrosion potential (Ecorr) and inhibitor performance (Rp). With straight chain alkyl carboxylates, maximum inhibition was found for C6- C10 monocarboxylates and C7- C12 dicarboxylates. Polarization curves for selected inhibitors and the Ecorr- Rp relationship suggest these compounds affect only the anodic dissolution. The inhibitor effectiveness of sebacate was found to be unaffected by stirring or the presence of corrosion products.

Item Type: Conference Paper
Murdoch Affiliation(s): School of Mathematical and Physical Sciences
Publisher: Australasian Corrosion Association
Notes: This paper was originally published in the Australasian Corrosion Associations Corrosion & Prevention 1990 conference proceedings held in Auckland, New Zealand between 19-23 November 1990
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