Effect on New Corrosion Inhibitor to Stress Corrosion Cracking of Prestressed Steel Wire in Simulated Concrete Pore Solution

Qi Lei Sun; Lu Dan Shi; Ze Rui Liu

doi:10.4028/www.scientific.net/AMM.556-562.667

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 556-562Effect on New Corrosion Inhibitor to Stress...

Effect on New Corrosion Inhibitor to Stress Corrosion Cracking of Prestressed Steel Wire in Simulated Concrete Pore Solution

Abstract:

Slow strain rate tension tests were carried out in order to investigate effect on new corrosion inhibitor to stress corrosion cracking of prestressed steel wire in simulated concrete pore solution. Indeed, the results suggest that C₄H₁₃N₃ can form adsorption film on the metal surface, prevent chloride ion erosion. Meanwhile, MoO₄^2- may make the passive film become denser. The synergistic effect of C₄H₁₃N₃ with MoO₄^2-, can reduce the prestressed steel wire SWRH77B in 3.5%NaCl+ saturated Ca (OH)₂ solution stress corrosion sensitivity, prevent stress corrosion cracking effectively.

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Periodical:

Applied Mechanics and Materials (Volumes 556-562)

Pages:

667-670

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.556-562.667

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Online since:

May 2014

Authors:

Qi Lei Sun*, Lu Dan Shi, Ze Rui Liu

Keywords:

Corrosion Inhibitor, Prestressed Steel Wire, Simulative Concrete Pore Solution, Slow Strain Rate Tension Test (SSRT), Stress Corrosion Cracking (SCC)

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