Stress Corrosion Cracking Behavior of Carbon Steel in Aqueous Dipa and in Dipa-Sulfolane-Water Solutions

Potentiostatic polarization and slow-strain-rate tests have been used to assess the likelihood of stress corrosion cracking of mild steel immersed in aqueous solutions of di-isopropanolamine (dipa) and in solutions of dipa in tetrahydrothiophene sulfoxide (sulfolane) and water, saturated with CO2 at...

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Veröffentlicht in:Zairyo-to-Kankyo 1992/08/15, Vol.41(8), pp.550-556
1. Verfasser: Foroulis, Z. Andrew
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description Potentiostatic polarization and slow-strain-rate tests have been used to assess the likelihood of stress corrosion cracking of mild steel immersed in aqueous solutions of di-isopropanolamine (dipa) and in solutions of dipa in tetrahydrothiophene sulfoxide (sulfolane) and water, saturated with CO2 at different potentials and strain rates, at 95°C. Dipa-sulfolane-water solutions show no tendency for stress corrosion cracking either at the free corrosion potential or at potentials of maximum electrochemical reactivity. However, an aqueous solution of 25% dipa saturated with CO2 was found to cause transgranular stress corrosion cracking of carbon steel at the potential of -0.60V (SCE) which is located in the region of maximum anodic electrochemical reactivity.
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However, an aqueous solution of 25% dipa saturated with CO2 was found to cause transgranular stress corrosion cracking of carbon steel at the potential of -0.60V (SCE) which is located in the region of maximum anodic electrochemical reactivity.</abstract><pub>Japan Society of Corrosion Engineering</pub><doi>10.3323/jcorr1991.41.550</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record>
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subjects carbon steel
corrosion
dipa
dipa-sulfolane
gas treating
stress corrosion cracking
title Stress Corrosion Cracking Behavior of Carbon Steel in Aqueous Dipa and in Dipa-Sulfolane-Water Solutions
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