Indoor atmospheric corrosion of steel. Its particularities in Cuban tropical climate

Authors

  • F. Corvo Instituto de Ciencia y Tecnología de Materiales (IMRE-ICTM), Universidad de La Habana
  • A. D. Torrens Grupo de Protección de Materiales y Corrosión, Centro Nacional de Investigaciones Científicas (CNIC)
  • Y. Martín Instituto de Ciencia y Tecnología de Materiales (IMRE-ICTM), Universidad de La Habana
  • E. González Instituto de Ciencia y Tecnología de Materiales (IMRE-ICTM), Universidad de La Habana
  • J. Pérez Instituto de Ciencia y Tecnología de Materiales (IMRE-ICTM), Universidad de La Habana
  • C. Valdés Instituto de Ciencia y Tecnología de Materiales (IMRE-ICTM), Universidad de La Habana
  • A. Castañeda Instituto de Ciencia y Tecnología de Materiales (IMRE-ICTM), Universidad de La Habana
  • C. Portilla Instituto de Ciencia y Tecnología de Materiales (IMRE-ICTM), Universidad de La Habana

DOI:

https://doi.org/10.3989/revmetalm.2008.v44.i2.101

Keywords:

Atmospheric corrosion, Indoor, Dust, Pollution, Steel

Abstract


Indoor atmospheric corrosion and deterioration of materials is significantly lower respecting outdoors. After 1960, because of the problems detected in electric and electronic equipment and to the requirements for conservation of valuable heritage objects in museums, attention was dedicated to corrosion problems in indoor atmospheres. A small corrosion may cause a bad performance of electric and electronic equipment due to different factors as: change in electrical resistance of contacts, change in conductivity, loss of magnetic properties and others. In the paper corrosion aggressivity of steel inside storehouses and metallic boxes is classified using the new ISO proposal for indoor conditions. Corrosion aggressivity is reported for steel. The levels of aggressivity are reported. They correspond to the higher levels established in the standard proposal. A model for corrosion of steel in function of time of exposure is proposed taking into consideration some atmospheric pollutants. The model has an acceptable fitness to experimental data. It is observed that deposited dust is an important factor in steel corrosion process indoor.

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References

[1] C. Leygraf Y T.E. Graedel, Electrochemical Society Series, Wiley Intersciences, New York, 2000, pp. 95-97.

[2] C. Leygraf, XV Int. Corrosion Cong., Granada, Ed. CENIM, Madrid, España, 2002.

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[5] ISO 11844-1:2000, Corrosion of metals and alloys.Classification of low corrosivity of indoor atmospheres. Determination and estimation of indoor corrosivity.

[6] F. Corvo Y J. Rocha-Andrade Da Silva, XV Int. Corrosion Cong. Granada, Ed. CENIM, Madrid, España, 2002.

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[9] F. Corvo, A.D. Torrens, N. Betancourt, J. Pérez Y E. González, Corros.Sci. 49 (2007) 418-435. doi:10.1016/j.corsci.2006.06.002

[10] NC-12-01-09, Método de determinación de la deposición de cloruros en la atmósfera.

[11] ISO 9225:1992, Corrosion of metals and alloys. Corrosivity of atmospheres. Measurement of pollution.

[12] ISO 9223: 1992, Corrosion of metals and alloys. Corrosivity ot atmospheres. Classification.

[13] F. Corvo, J. Minotas, J. Delgado Y C. Arroyave, Corros. Sci. 47 (2005) 883-892. doi:10.1016/j.corsci.2004.06.003

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Published

2008-04-30

How to Cite

Corvo, F., Torrens, A. D., Martín, Y., González, E., Pérez, J., Valdés, C., Castañeda, A., & Portilla, C. (2008). Indoor atmospheric corrosion of steel. Its particularities in Cuban tropical climate. Revista De Metalurgia, 44(2), 129–137. https://doi.org/10.3989/revmetalm.2008.v44.i2.101

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