Corrosion in marine atmospheres. Effect of distance from the coast

Authors

  • B. Chico Centro Nacional de Investigaciones Metalúrgicas, CENIM (CSIC)
  • E. Otero Centro Nacional de Investigaciones Metalúrgicas, CENIM (CSIC)
  • L. Mariaca Instituto de Investigaciones Eléctricas
  • M. Morcillo Centro Nacional de Investigaciones Metalúrgicas, CENIM (CSIC)

DOI:

https://doi.org/10.3989/revmetalm.1998.v34.iExtra.711

Keywords:

Marine atmosphere, Salinity, Metallic corrosion, Shoreline distance

Abstract


In marine atmospheres the deposition of saline particles on the surface of metals intensifies the metallic corrosion process. However, quantitative information about the effect of atmospheric salinity on metallic corrosion is very scarce. This paper reports the relationship between salinity and metallic corrosion, where a clear linear relation (r = 0.97) has been found for a broad interval of salinities (4-500 mg Cl-/m2d), as well as the relationship between salinity (or metallic corrosion) and distance from the coast. A hyperbolic function seems to be established between both variables; there is an exponential drop in salinity (or corrosion) as shoreline distance increases tending towards an asymptotic value. The study has been based on information obtained from field research conducted at a marine atmosphere in Tarragona (Spain) and data compiled from the literature.

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Published

1998-05-30

How to Cite

Chico, B., Otero, E., Mariaca, L., & Morcillo, M. (1998). Corrosion in marine atmospheres. Effect of distance from the coast. Revista De Metalurgia, 34(Extra), 71–74. https://doi.org/10.3989/revmetalm.1998.v34.iExtra.711

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