Sunlight-enhanced calcareous deposition on cathodic stainless steel in natural seawater
IR@CECRI: CSIR-Central Electrochemical Research Institute, Karaikudi
View Archive Info| Field | Value | |
| Title |
Sunlight-enhanced calcareous deposition on cathodic
stainless steel in natural seawater
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| Creator |
Eashwar, M.
Sathishkumar, , Ravisgankar, R. Subramanian, G. |
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| Subject |
Biocorrosion
Corrosion Science and Engineering |
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| Description |
In replicate series of experiments in natural seawater, one in full darkness and the other in a 1:1 diurnal cycle with as
little as 5% of natural solar illumination, sunlight promoted calcareous deposition on cathodic stainless steel surfaces.
As exemplified by scanning electron microscopy, the deposit that formed under the natural diurnal cycle, in the presence
of photosynthetic biofilms, was composed of finer calcareous crystals that provided more compact and more uniform
surface coverage than the one formed in the dark. The light-enhanced deposit also possessed better scale
properties, as suggested by X-ray analysis and electrochemical measurements. Sunlight enhancement of calcareous
deposition looked all the more conspicuous when day and night regimes were examined independently. These results
not only bear important implications for cathodic protection in marine waters, but also provide an intriguing analogy
to coral reef calcification
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| Publisher |
Taylor & Francis
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| Date |
2013
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| Type |
Article
PeerReviewed |
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| Format |
application/pdf
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| Identifier |
http://cecri.csircentral.net/3123/1/090-2013.pdf
Eashwar, M. and Sathishkumar, , and Ravisgankar, R. and Subramanian, G. (2013) Sunlight-enhanced calcareous deposition on cathodic stainless steel in natural seawater. Biofouling, 29 (2). pp. 185-193. ISSN 0892-7014 |
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| Relation |
http://cecri.csircentral.net/3123/
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