Comparative Assessment of Magnesium, Copper, and Zinc Addition to Aluminium Waste Casting for Improving Ship Material Behaviour

ABSTRACT: The aluminium industry for ship materials produces waste material that can pollute the environment. To protect the environment from material pollution, the aluminium waste recycling process can be used to develop ship material. This study aims to analyze the physical and mechanical characteristics of aluminium with magnesium, copper, and zinc addition. Several tests, such as chemical composition, tensile, and impact tests, will be conducted to ascertain the mechanical properties of aluminium alloy. Adding alloy material in the range of 0-10% resulted in various alloy element compositions. It can be analyzed that the aluminium contents decreased with the increase of alloy elements. The highest rise in alloy elements can be found in the addition of magnesium than in copper and zinc addition. Moreover, the mechanical tests showed that aluminium casting with magnesium, copper, and zinc additions influenced the mechanical properties of the aluminium alloy. It can be found that tensile strength and modulus of elasticity values improved with the increase of alloy addition. The addition of magnesium has better tensile properties than the addition of copper and zinc. In contrast, the impact resistance decreased with the addition of magnesium, making the alloy more brittle.

KEYWORDS: Ship Construction, Mechanical Engineering, Chemical Product, Shipbuilding Industry, Comparative Study, Instructional Materials, Mechanical Properties, Indonesia Asahan Aluminium Ltd. (INALUM)

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Citation note:

Kiryanto K., Tuswan T., Samuel S., Firdhaus A., Ergana D., Nadiyas Juneva T., Virman Firdaus L.: Comparative Assessment of Magnesium, Copper, and Zinc Addition to Aluminium Waste Casting for Improving Ship Material Behaviour. TransNav, the International Journal on Marine Navigation and Safety of Sea Transportation, Vol. 18, No. 2, doi:10.12716/1001.18.02.18, pp. 401-408, 2024

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