Characterization of synergistic effects between erosion and corrosion in an aqueous environment using electrochemical techniques

S. Zhou, M.M. Stack, R.C. Newman

Research output: Contribution to journalArticle

72 Citations (Scopus)

Abstract

Synergistic effects between erosion and corrosion processes on mild steel (MS) in an aqueous carbonate-bicarbonate solution were studied using electrochemical measurements from a rotating cylinder electrode (RCE) system, A rigorous basis for definition and measurement of the ''pure'' erosion rate and corrosion rate was adopted so that so-called synergism could be analyzed precisely. The total erosion-corrosion rate and the corrosion rate in the presence and absence of erosion were measured for a range of electrode potentials and rotation velocities. The corrosion rate increased significantly with the introduction of erodent because of the effect of erosion on corrosion kinetics. The total erosion-corrosion rate under active dissolution and passivation conditions essentially was the sum of the pure erosion rate and the measured (enhanced) corrosion rate, suggesting there was no significant effect of corrosion on the erosion process. However, in the active-to-passive transition regime, some synergistic effects ascribed to erosion were observed (i.e., mechanical damage was enhanced by corrosion).

LanguageEnglish
Pages934-946
Number of pages13
JournalCorrosion - Houston Tx
Volume52
Issue number12
DOIs
Publication statusPublished - Dec 1996

Fingerprint

Erosion
Corrosion
Corrosion rate
Electrodes
Carbonates
Bicarbonates
Passivation
Carbon steel
Dissolution
Kinetics

Keywords

  • aqueous environments
  • carbonate-bicarbonate solution
  • corrosion rate
  • dissolution
  • electrochemical testing
  • erosion-corrosion
  • mild steel
  • passivation
  • rotating cylinder electrode
  • synergistic effects
  • velocity
  • weight loss
  • carbon steel
  • iron
  • depassivation

Cite this

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title = "Characterization of synergistic effects between erosion and corrosion in an aqueous environment using electrochemical techniques",
abstract = "Synergistic effects between erosion and corrosion processes on mild steel (MS) in an aqueous carbonate-bicarbonate solution were studied using electrochemical measurements from a rotating cylinder electrode (RCE) system, A rigorous basis for definition and measurement of the ''pure'' erosion rate and corrosion rate was adopted so that so-called synergism could be analyzed precisely. The total erosion-corrosion rate and the corrosion rate in the presence and absence of erosion were measured for a range of electrode potentials and rotation velocities. The corrosion rate increased significantly with the introduction of erodent because of the effect of erosion on corrosion kinetics. The total erosion-corrosion rate under active dissolution and passivation conditions essentially was the sum of the pure erosion rate and the measured (enhanced) corrosion rate, suggesting there was no significant effect of corrosion on the erosion process. However, in the active-to-passive transition regime, some synergistic effects ascribed to erosion were observed (i.e., mechanical damage was enhanced by corrosion).",
keywords = "aqueous environments, carbonate-bicarbonate solution, corrosion rate, dissolution, electrochemical testing, erosion-corrosion, mild steel, passivation, rotating cylinder electrode, synergistic effects, velocity, weight loss, carbon steel, iron, depassivation",
author = "S. Zhou and M.M. Stack and R.C. Newman",
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pages = "934--946",
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Characterization of synergistic effects between erosion and corrosion in an aqueous environment using electrochemical techniques. / Zhou, S.; Stack, M.M.; Newman, R.C.

In: Corrosion - Houston Tx, Vol. 52, No. 12, 12.1996, p. 934-946.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Characterization of synergistic effects between erosion and corrosion in an aqueous environment using electrochemical techniques

AU - Zhou, S.

AU - Stack, M.M.

AU - Newman, R.C.

PY - 1996/12

Y1 - 1996/12

N2 - Synergistic effects between erosion and corrosion processes on mild steel (MS) in an aqueous carbonate-bicarbonate solution were studied using electrochemical measurements from a rotating cylinder electrode (RCE) system, A rigorous basis for definition and measurement of the ''pure'' erosion rate and corrosion rate was adopted so that so-called synergism could be analyzed precisely. The total erosion-corrosion rate and the corrosion rate in the presence and absence of erosion were measured for a range of electrode potentials and rotation velocities. The corrosion rate increased significantly with the introduction of erodent because of the effect of erosion on corrosion kinetics. The total erosion-corrosion rate under active dissolution and passivation conditions essentially was the sum of the pure erosion rate and the measured (enhanced) corrosion rate, suggesting there was no significant effect of corrosion on the erosion process. However, in the active-to-passive transition regime, some synergistic effects ascribed to erosion were observed (i.e., mechanical damage was enhanced by corrosion).

AB - Synergistic effects between erosion and corrosion processes on mild steel (MS) in an aqueous carbonate-bicarbonate solution were studied using electrochemical measurements from a rotating cylinder electrode (RCE) system, A rigorous basis for definition and measurement of the ''pure'' erosion rate and corrosion rate was adopted so that so-called synergism could be analyzed precisely. The total erosion-corrosion rate and the corrosion rate in the presence and absence of erosion were measured for a range of electrode potentials and rotation velocities. The corrosion rate increased significantly with the introduction of erodent because of the effect of erosion on corrosion kinetics. The total erosion-corrosion rate under active dissolution and passivation conditions essentially was the sum of the pure erosion rate and the measured (enhanced) corrosion rate, suggesting there was no significant effect of corrosion on the erosion process. However, in the active-to-passive transition regime, some synergistic effects ascribed to erosion were observed (i.e., mechanical damage was enhanced by corrosion).

KW - aqueous environments

KW - carbonate-bicarbonate solution

KW - corrosion rate

KW - dissolution

KW - electrochemical testing

KW - erosion-corrosion

KW - mild steel

KW - passivation

KW - rotating cylinder electrode

KW - synergistic effects

KW - velocity

KW - weight loss

KW - carbon steel

KW - iron

KW - depassivation

U2 - 10.5006/1.3292087

DO - 10.5006/1.3292087

M3 - Article

VL - 52

SP - 934

EP - 946

JO - Corrosion - Houston Tx

T2 - Corrosion - Houston Tx

JF - Corrosion - Houston Tx

SN - 0010-9312

IS - 12

ER -