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Study on the Complex of Sodium Tungstate and Urotropine as Inhibitors against Stainless Steel Corrosion in the NaCl Solution

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Abstract:

The corrosion weight loss method and polarization curve measurement were conducted to study the effects of the complex inhibitor of sodium tungstate and urotropine on the corrosion of 304 stainless steel in the 3.5% NaCl solution. The results indicated that the complex inhibitor has good synergistic inhibitory effect for stainless steel in the NaCl solution. Combining sodium tungstate and urotrpine at a total concentration of 500 mg/L, when the mass ratio of sodium tungstate to urotrpine was 7:3, the inhibitory effect was optimum. In addition, the probable inhibitory mechanism was analyzed.

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Periodical:

Materials Science Forum (Volume 689)

Pages:

450-454

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.689.450

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Online since:

June 2011

Authors:

Qiang Song, Xing Qi Qiu

Keywords:

Inhibitor, Inhibitory Mechanism, Sodium Tungstate, Stainless Steel (SS), Urotropinum

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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