A methodology for the construction of the erosion-corrosion map in aqueous environments

M M Stack, N Corlett, S Zhou

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

For the erosion of alloys under aqueous conditions, there have been some recent attempts to identify the transitions between the erosion-corrosion regimes using laboratory results. Such transitions can be superimposed on an erosion-corrosion map as a function of the main corrosion and erosion variables. Defining the magnitude of the wastage rate on such maps enables the relevant process parameters involved in the damage process to be optimized. The object of this work was to model the erosion-corrosion behaviour of mild steel exposed to an aqueous solution containing alumina particles. The results were used to identify the transitions between the erosion-corrosion regimes on erosion-corrosion mechanism maps. Process control maps, which show the magnitude of the wastage rate, were also constructed using such an approach. This paper describes the basis of the mathematical models used to construct the boundaries on the maps. The effects of particle size, flux, and solution pH on such boundaries are demonstrated. In addition, a qualitative comparison is made between the results of the model, and a series of slurry erosion-corrosion tests of mild steel in aqueous media.

LanguageEnglish
Pages474-488
Number of pages15
JournalWear
Volume203
DOIs
Publication statusPublished - Mar 1997

Fingerprint

erosion
Erosion
corrosion
methodology
Corrosion
Carbon steel
steels
corrosion tests
Aluminum Oxide
Process control
mathematical models
Alumina
aluminum oxides
Particle size
Mathematical models
Fluxes
aqueous solutions
damage

Keywords

  • erosion-corrosion maps
  • aqueous environments
  • tempature erosion
  • metals
  • model

Cite this

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abstract = "For the erosion of alloys under aqueous conditions, there have been some recent attempts to identify the transitions between the erosion-corrosion regimes using laboratory results. Such transitions can be superimposed on an erosion-corrosion map as a function of the main corrosion and erosion variables. Defining the magnitude of the wastage rate on such maps enables the relevant process parameters involved in the damage process to be optimized. The object of this work was to model the erosion-corrosion behaviour of mild steel exposed to an aqueous solution containing alumina particles. The results were used to identify the transitions between the erosion-corrosion regimes on erosion-corrosion mechanism maps. Process control maps, which show the magnitude of the wastage rate, were also constructed using such an approach. This paper describes the basis of the mathematical models used to construct the boundaries on the maps. The effects of particle size, flux, and solution pH on such boundaries are demonstrated. In addition, a qualitative comparison is made between the results of the model, and a series of slurry erosion-corrosion tests of mild steel in aqueous media.",
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A methodology for the construction of the erosion-corrosion map in aqueous environments. / Stack, M M ; Corlett, N ; Zhou, S .

In: Wear, Vol. 203, 03.1997, p. 474-488.

Research output: Contribution to journalArticle

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