2009
DOI: 10.1002/maco.200805181
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Electrochemical corrosion response of a low carbon heat treated steel in a NaCl solution

Abstract: Dual-phase (DP) steels are produced from a specific heat treatment procedure and have recently emerged as a potential class of engineering materials for a number of structural and automobile applications. Such steels have high strength-to-weight ratio and reasonable formability. The present study aims to investigate the effects of four different and conventional heat treatments (i.e., hot rolling, normalizing, annealing, and intercritical annealing) on the resulting microstructural patterns and on the electroc… Show more

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Cited by 88 publications
(32 citation statements)
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“…In this context, it seems that the steel carbon content and pearlite grain's formation are the sole parameters that contribute to the slight decrease in the resulting electrochemical behaviour of the LC steel samples. This seems to be associated with the galvanic couple formation, which occurs both between pearlite and the ferrite matrix and inside the pearlitic mixture where cementite (carbon rich) can induce the corrosion action of the neighbouring ferrite (more active areas), as previously reported 16. It seems that corrosion in the IF steel sample will occur initially along the ferrite grain boundaries and will develop further uniformly towards the ferrite grain centre.…”
Section: Resultssupporting
confidence: 70%
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“…In this context, it seems that the steel carbon content and pearlite grain's formation are the sole parameters that contribute to the slight decrease in the resulting electrochemical behaviour of the LC steel samples. This seems to be associated with the galvanic couple formation, which occurs both between pearlite and the ferrite matrix and inside the pearlitic mixture where cementite (carbon rich) can induce the corrosion action of the neighbouring ferrite (more active areas), as previously reported 16. It seems that corrosion in the IF steel sample will occur initially along the ferrite grain boundaries and will develop further uniformly towards the ferrite grain centre.…”
Section: Resultssupporting
confidence: 70%
“…Ferrite grains are considered less noble regions (where initiation of corrosion becomes easier and corrosion can develop more quickly) when compared to pearlite areas 16, 28, 29. Pearlite seems to be less affected (nobler phase) since it has a rich carbon content region (cementite lamellae), as shown in Fig.…”
Section: Resultsmentioning
confidence: 99%
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“…Low carbon steels are indispensable structural materials in various industrial fields for their high mechanical properties and low price. However, the industrial application of low carbon steel had been restricted due to the poor corrosion resistance . Severe plastic deformation (SPD) technique has been widely used to fabricate the fine‐grained bulk materials, such as equal‐channel angular pressing (ECAP), accumulative roll bonding, and high pressure torsion .…”
Section: Introductionmentioning
confidence: 99%