Study On Corrosion Rate Of The Zinc Anode From Outboard Boat Engine Around Straits Of Malacca

Syahriful, Rizky Sultansyah (2016) Study On Corrosion Rate Of The Zinc Anode From Outboard Boat Engine Around Straits Of Malacca. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Corrosion is the degradation of material that can be observed depend on the environment. Corrosion become a serious problem due to the changing of the material properties on the zinc anode. The zinc anode were used in this project by attach it to the fisherman boat at Balai Nelayan, Kampong Sempang Pantai, Merlimau. The mechanical properties of zinc anode from strait Malacca be the main focus to study the corrosion for zinc anode. Kinetic study of corrosion rate of the zinc anode in real fresh sea water will be included in this project in order to know the durability of materials for the safety and preventive boat engine maintenance. Then, the zinc anode will be going through few testing to know the changes of the properties and structure. The surrounding environment also be a factor for the corrosion of zinc anode. There are a few factor that discussed and determined. The result for the zinc anode testing shows that the used zinc anode has been changed the mechanical properties and the microstructure. This result get when the used zinc anode was compared to the new zinc anode that has been going through the same testing. Lastly, the objective for study the corrosion rate of zinc anode on outboard boat engine around straits of Malacca was accomplished and succeeded. The corrosion rate value was determined that is k =3.272 ×10⁻⁶ (gram/cm2.hour) for zinc anode Suzuki 30 hp and k = 6.01 ×10⁻⁴ (gram/cm2. hour) for zinc anode Yamaha 40 hp and lastly k = 1.997 ×10⁻⁴ (gram/cm2. hour) for zinc anode Yamaha 60 hp.

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