Corrosion Resistance of Zinc Coated Steel in Sea Water Environment
Journal Title: Analele Universitatii "Dunarea de Jos" din Galati. Fascicula IX, Metalurgie si Stiinta Materialelor - Year 2015, Vol 38, Issue 3
Abstract
The life time of metallic materials used in naval transport industry is influenced by their corrosion resistance. For utilization in shipbuilding and offshore construction, metallic materials need to be covered with protective coatings, especially, or different anti-corrosion protection methods need to be used. During the last decades a series of inorganic and organic coatings was developed. Among inorganic coatings, the most used ones are the galvanizing treatments. This paper presents a comparative investigation regarding the corrosion resistance of uncoated low alloy steel and galvanizing steel. Both samples have been subjected to corrosion in sea water harvested from the Black Sea, Mangalia harbor. The electrochemical assays were: open circuit potential (OCP), linear polarization resistance (Rp), potentiodynamic polarization (PD) and cyclic voltammetry. The results obtained by in situ determination were confirmed by optical microscopy. The results revealed an improved corrosion resistance of galvanized steel in natural sea water in comparison with low alloy steel.
Authors and Affiliations
Adrian DIACONU, Cătălin SOLOMON, Lidia BENEA, Valentin DUMITRAŞCU, Laurenţiu MARDARE
Keywords
Related Articles
- EP ID EP581329
- DOI -
- Views 93
- Downloads 0
A Typical Surface Formations Found on the Corrosion Layer of Iron Artefacts
The paper presents the experimental results obtained by applying non-invasive methods (OM, SEM-EDX, XRF) on two iron artefacts from the IInd and the IIIrd centuries A.D. (discovered in the incineration graves from Gabăra...
Research Regarding the Obtaining of Some Composite Materials with Metallic Matrix from Aluminium and FeTi (3% Ti) Refractory Particles
The aim of the paper is to create a composite material by a mechanical mixing method to be used in the field of steels elaboration in the deoxidizing and alloying stage.
Versatility of Nickel-Aluminium Bronzes as Wear Resisting Materials
The paper presents the results of experimental research regarding the establishing of some chemical positions of the nickel-aluminium bronzes used as monoblock and bimetallic bearings. The areas of the applications are...
Mechanical Properties and Abrasive Wear Behavior of Fluidized-Bed Carburized Sintered Iron Alloys
This paper is a study of the influence of fluidized bed carburizing of sintered steels on the mechanical properties and the abrasive wear behavior for two different types of powder. Carburizing was carried out at a tempe...
Corrosion of Bronze Art Objects and Methods of Restoration
The paper presents a study of the corrosive state of sculptures and art objects made from copper and bronze, the equipment used to detect and study defects and the methods and solutions for restoring the art object surfa...