Corrosion of Highly Dispersed Systems Based on Iron and Feframe0Si Alloys in Neutral Electrolytes. I
30.09.2008 г.

Corrosion of Highly Dispersed Systems Based on Iron and Feframe0Si Alloys in Neutral Electrolytes. II. Iron-Based Systems Obtained by Grinding in Heptane with an Organosilicon Additive

 

A. V. Syugaev*, S. F. Lomayeva*, and S. M. Reshetnikov**

* Physicotechnical Institute, Ural Division, Russian Academy of Sciences,
ul. Kirova 132, Izhevsk, 426000 Russia

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** Udmurt State University, ul. Universitetskaya 1, Izhevsk, 426034 Russia

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Received November 18, 2003

 

Abstract — The corrosion behavior of highly dispersed iron powders obtained by mechanical grinding in a solution of triethoxy(vinyl)silane (0.3 wt %) in heptane was studied in 0.85% NaCl at 37°C. The protective properties of the layer covering the powder particles were found to be determined by oxide and organosilicon compounds. This layer is significantly less effective than the layer formed in the presence of oleic acid.