Now showing items 1-4 of 4
| Abstract: | Corrosion characteristics of brass panels were investigated in the Vembanad estuarine water (Cochin Harbor), India over a period of one year. The corrosion rate of brass samples during exposure was determined by gravimetric method and fouling on panels was assessed, exposure-wise, in terms of biomass. Corrosion products were identified by X-Ray diffraction. The results of the study were discussed in the light of the seawater characteristics |
| Description: | Journal of Marine Science and Technology, Vol. 18, No. 5, pp. 719-722 (2010) |
| URI: | http://dyuthi.cusat.ac.in/purl/4670 |
| Files | Size |
|---|---|
| Corrosion Behav ... embanad Estuary, India.pdf | (174.7Kb) |
| Abstract: | Corrosion represents one of the largest through life cost component of ships. Ship owners and operators recognize that combating corrosion significantly impacts the vessels’ reliability, availability and through life costs. Primary objective of this paper is to review various inspections, monitoring systems and life cycle management with respect to corrosion control of ships and to develop the concept of “Corrosion Health” (CH) which would quantify the extent of corrosion at any point of ships’ operational life. A system approach in which the ship structure is considered as a corrosion system and divided into several corrosion zones, with distinct characteristics, is presented. Various corrosion assessment criteria for assessment of corrosion condition are listed. A CH rating system for representation of complex corrosion condition with a numeric number along with recommendations for repair/maintenance action is also discussed |
| Description: | International Journal of Environmental Science and Development, Vol. 5, No. 5, October 2014 |
| URI: | http://dyuthi.cusat.ac.in/purl/4673 |
| Files | Size |
|---|---|
| Corrosion Healt ... Steel Ship Structures.pdf | (2.303Mb) |
| Abstract: | In order to minimize the risk of failures or major renewals of hull structures during the ship's expected life span, it is imperative that the precaution must be taken with regard to an adequate margin of safety against any one or combination of failure modes including excessive yielding, buckling, brittle fracture, fatigue and corrosion. The most efficient system for combating underwater corrosion is 'cathodic protection'. The basic principle of this method is that the ship's structure is made cathodic, i.e. the anodic (corrosion) reactions are suppressed by the application of an opposing current and the ship is there by protected. This paper deals with state of art in cathodic protection and its programming in ship structure |
| Description: | International Journal of Chemical Engineering and Applications, Vol. 1, No. 3, October 2010 |
| URI: | http://dyuthi.cusat.ac.in/purl/4672 |
| Files | Size |
|---|---|
| Design and Prog ... c Protection For Ships.pdf | (322.2Kb) |
| Abstract: | Inhibited α brasses are largely immune to dezincification in most water, but the effect of tin and arsenic addition to α/β brasses is not so reliable or predictable in controlling the problem. There have been many cases of dezincification in duplex brasses in both fresh water and seawater. There is no reliable method of inhibiting the dezincification of two-phase brass despite there are some protection methods such as inhibitors, electro deposition and electro polymerization. Organic coatings are effectively used for the protection of metals due to their capacity to act as a physical barrier between the metal surface and corrosive environment. Hence, epoxy coating on brass was applied and effect of this against dezincification in Cochin estuarine water over a period of one year was studied and reported in this paper |
| Description: | International Journal of Chemical Engineering and Applications, Vol. 1, No. 2, August 2010 |
| URI: | http://dyuthi.cusat.ac.in/purl/4671 |
| Files | Size |
|---|---|
| Dezincification ... nCochin Estuary, India.pdf | (322.2Kb) |
Now showing items 1-4 of 4
Dyuthi Digital Repository Copyright © 2007-2011 Cochin University of Science and Technology. Items in Dyuthi are protected by copyright, with all rights reserved, unless otherwise indicated.