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Corrosion and Materials Degradation, Volume 5, Issue 3

September 2024 - 6 articles

Cover Story: The behavior of carbon steel electrodes buried in unsaturated artificial sand and protected by cathodic polarization was compared with that of unprotected electrodes. First, cathodic protection was observed to induce a spreading of the electrolyte on the metal surface because of electrocapillary effects. The active (or “wet”) area of the electrode increased, leading to a decrease in soil electrolyte resistance Rs measured by EIS. This phenomenon was experimentally confirmed via visual observations at the end of the experiments. Secondly, cathodic protection induced a passivation of the steel surface. The passive state persisted for 35 to 85 hours after cathodic protection was stopped and was studied during various periods of interruption of the protection. View this paper
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Articles (6)

  • Article
  • Open Access
3 Citations
2,034 Views
12 Pages

18 September 2024

New environmental regulations have led to major changes in aluminum corrosion protection by prohibiting, for example, Cr(VI). Thus, the assessment of the corrosion behavior of Cr-free systems under atmospheric conditions is a major topic of interest...

  • Article
  • Open Access
2 Citations
1,991 Views
21 Pages

9 September 2024

This study investigates the fatigue behavior of cold-finished mild steel subjected to electrochemical hydrogen charging under controlled conditions. Samples were subjected to hydrogen charging at constant time in a fixed electrolyte pH, after which t...

  • Article
  • Open Access
1 Citations
5,171 Views
19 Pages

Cathodic Protection of Carbon Steel in Soil: A Study of Induced Passivation

  • Philippe Refait,
  • Marc Jeannin,
  • Elisabeth Fleury,
  • Florian Raffin and
  • Sylvain Fontaine

Two-month experiments were carried out with carbon steel electrodes buried in an artificial sand wetted at 50–55% of saturation with a 0.07 mol L−1 Na2SO4·10H2O solution. Various protection potentials (corrected from the ohmic drop...

  • Article
  • Open Access
2 Citations
3,594 Views
17 Pages

In the process of heat treatment of 8620 low alloy steel, the heating rate is a critical parameter that must be carefully controlled to achieve the desired combination of microstructural features, mechanical properties, and corrosion resistance while...

  • Review
  • Open Access
2 Citations
2,997 Views
20 Pages

This review examines the impact of various aqueous electrolytes on hydrogen absorption and self-corrosion in magnesium (Mg) anodes. The discussion integrates both historical and recent studies to explore the mechanisms behind self-corrosion and anoma...

  • Article
  • Open Access
1 Citations
2,050 Views
10 Pages

We studied the effect of isothermal annealing (600–750 °C, 1 to 1000 min) on the microstructure and mechanical properties of SAF 2205 duplex stainless steel. Impact toughness was found to be significantly more affected than hardness by anne...

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Corros. Mater. Degrad. - ISSN 2624-5558