Similarities Between The Titanic And The Ss Maheno

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Titanic and the SS Maheno. The well know ship “The Titanic” now lies 3,800 m under water off the shore of Newfoundland where it sunk back in 1912 after colliding with an iceberg, the ship is now rapidly rusting and disintegrating. The SS Maheno is a major tourist attraction that lies on the east coast of Fraser Island, Australia. It was a trading ship between New Zealand and Australia from years 1905 to 1935, and also participated in World War I for the New Zealand Naval Force. The wreck was left there to disintegrate after the owners refused to pay to move it. Corrosion is ‘a chemical process by which a metal is oxidised. ’ (corrosionist.com). Iron is the only metal that rusts and occurs out of the chemical processes, oxidation and reduction. In most cases, corrosion of iron occurs when the metal is losing its electrons, this is oxidising. Another cause behind the occurrence of rusting is ‘rust eating bacteria’ at deep enough levels of the ocean. And finally, abiotic factors such as salinity, pH and oxygen levels have an impact on the rusting or shipwrecks. The last cause to be discussed is environmental effects such as salinity, pH and oxygen levels. …show more content…

Iron is naturally iron oxide and purified iron rapidly returns to a similar state when exposed to air and water. This whole process can be seen below in figure 3 – ‘The corrosion

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