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Student: Meiir Nurzhanov
Teacher: Saya Rakhimbekova 
Research topic: Marine Corrosion
Purpose:Corrosion generally is defined as the deterioration of a material, often a metal, from a reaction with its environment.  The basic cause of metal corrosion is the instability of metals in their refined forms: metals tend to revert to their natural states through the processes of corrosion.  As an example, when rainwater contacts iron, it forms rust, and this rust – or iron oxide – is the original state of iron found in iron ore.
Since vessels and marine structures – metal as well as concrete and wood – are routinely exposed to extremely corrosive environments, corrosion control is of great concern to the maritime industry.  In fact, the National Association of Corrosion Engineers has estimated the cost of marine corrosion worldwide at between $50-80 billion a year. 
As a future marine engineer, I would like to aid to reduce the corrosion of ships. With my investigation work, I want to show the impact of outside factors to the ship parts and give variants how to prevent or fight with it. 
Objectives: In order to achieve my goal I will do several researches. The investigation works of different engineers will be analyzed and compared. With the help of researches, statistic data work will be attained more efficient. 

Is the sea water main cause of corrosion ?
Is it important to fight with outside factors which effects on ships?
How can we do it? Is it costly?
Does it have secondary effects?

Methodology: The research deals with scientific information. In order to find reliable data I will use following methods. 

The internet websites (uk, org, com);
Different information from International Organizations;
Interview from specialist/engineers 

Paraphrase CARDS

Types of corrosion : In the marine environment, many types of corrosion can affect structures and vessels.  If you need help identifying the source of your corrosion problems, please call us!  We have worked all over the world on corrosion problems, and we can help you identify the source and propose some solutions.  Below are some examples of corrosion types and their causes.  (http://substructure.com/about/marine-services-information/marine-corrosion/types-of-corrosion/)                                                               
Concrete Corrosion : Concrete, a complex composite material, has low strength when loaded in tension.  To improve its tensile mechanical properties, it has become common practice to reinforce concrete with steel.  Accordingly, concrete structures such as piers, bridges, and dam faces, contain reinforcing steel (commonly referred to as rebar).  The primary causes of deterioration of steel-reinforced concrete structures are the chemical reactions that attack the aggregate/cement matrix and the resultant corrosion damage to the reinforcing steel embedded within the concrete.      (http://substructure.com/about/marine-services-information/marine-corrosion/concrete-corrosion/)   

Citation Cards                                            

Wood degradation:Wood structures are subject to various types of damage in the marine environment, mostly biological.  Organisms collectively referred to as marine borers pose the greatest threat to wood.  Once a marine borer has infiltrated an untreated marine piling, for instance, it is only a matter of time before the entire structure will become infested, then weaken and collapse.Although hundreds of species of marine borers exist, three are quite common in the northeastern United States, Teredo navalis, Bankia gouldi, and Limnoria lignorum(http://substructure.com/about/marine-services-information/marine-corrosion/wood-corrosion/)
Countering corrosion:A variety of solutions exist for countering corrosion in the marine environment.  Choosing a solution requires first a thorough understanding of the corrosion issues facing a particular facility, structure, or vessel.  Assessing corrosion normally is accomplished by conducting a comprehensive on-site inspection, which generally includes:
Carefully examining the facility, structure, or vessel
Reviewing any available construction blueprints or prior inspections reports
Evaluating the local environmental conditions
Checking current and tidal data
Analyzing the water to determine electrical conductivity (Conductivity is affected by salinity, mineral and impurity content, and temperature.)
A thorough inspection will be followed by a detailed report encompassing inspection data, digital photographs, digital video, and test instrument readings (as relevant).  Based upon the inspection findings, detailed recommendations for the corrosion-control of the facility will be provided.