The effect of immersion time on the corrosion behavior of SUS304 in brine using half-cell potential measurement

Saber Rashid, N. Islami, Ahmad Kamal Ariffin Mohd Ihsan, M. Ridha, S. Fauna

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The aim of this study is to investigate the impact of immersion time, at different time values for two cases, with stressed and no stressed on materials. This study is conducted using SUS304 material with the presence of 3.5% NaCl at the range of stresses for the specimens lower than the yield strength. The geometry of the C-ring specimen was selected for 18.974 mm and 1.244 mm for the outer diameters and the thickness respectively. The immersion time effect was investigated using the half-cell potential measurement following the ASTM G-38 standard. The approach of corrosion environment was applied to resemble the condition of loading history. Three levels of stresses were designed and applied in finite element analysis and the results known as the parameters of stress-corrosion measurement. The ASTM G-38 standard is prominent for making C-ring stress-corrosion for elastic stress analysis. The stress-corrosion test was performed at two parameters, fixed stress and no stress. The value of stresses for fixed stress was chosen for 179.199 MPa, 328.665 MPa and 460.131 MPa, correspondingly. The immersion time were selected from 0, 10 and 30 days. The electrochemical result shows that the immersion time did not affect vastly to the corrosion behavior for no stress-corrosion compared with fixed stress. The corrosion rate increases proportionally with the time immersion increments due to the inability of the steel layer protection to regenerate itself. Subsequently, it is also due to the metal was exposed to plastic deformation that resulting the internal stresses due to the plastic anisotropy of the grains.

Original languageEnglish
Pages (from-to)91-99
Number of pages9
JournalJurnal Teknologi
Volume78
Issue number6-9
DOIs
Publication statusPublished - 2016

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Corrosion
Corrosion rate
Stress analysis
Yield stress
Residual stresses
Plastic deformation
Anisotropy
Plastics
Finite element method
Geometry
Steel
Metals

Keywords

  • Half-cell potential measurements
  • Mechanical loading
  • Polarization curve
  • Stress corrosion

ASJC Scopus subject areas

  • Engineering(all)

Cite this

The effect of immersion time on the corrosion behavior of SUS304 in brine using half-cell potential measurement. / Rashid, Saber; Islami, N.; Mohd Ihsan, Ahmad Kamal Ariffin; Ridha, M.; Fauna, S.

In: Jurnal Teknologi, Vol. 78, No. 6-9, 2016, p. 91-99.

Research output: Contribution to journalArticle

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