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Investigation of Coating Thickness, Hardness and Wear Resistance of Aluminium 6061 by Anodizing Treatment

Suprapto, Agus ORCID:, Setyawan, Pungky Eka and Tsamroh, Dewi Izzatus ORCID: (2020) Investigation of Coating Thickness, Hardness and Wear Resistance of Aluminium 6061 by Anodizing Treatment. International Journal of Mechanical Engineering and Technology (IJMET), 11 (10). pp. 1-12. ISSN Print: 0976-6340 and ISSN Online: 0976-6359


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Aluminum 6061 has the advantages such as good formability, corrosion resistance and lightweight, but it also has weaknesses, such as its hardness andwear resistance
are relatively low, thus anodizing process is conducted to increase its hardness and wear resistance. The anodizing process can also produce a more attractive appearance and texture of metal. It alsocan increase the resistance of surface friction. The anodizing technique isa metal plating processbased on the formation of an aluminum oxide coating through controlled oxidation. The quality of the anodizing product is determined by the thicknesses of the coating formed. This study aimed to determine and analyze the mechanical properties and thicknesses of the coating on the surface of aluminum 6061 due to anodizing process. The method used in this research was a laboratory experimental method, with variations of the anodizing solution, voltage, and immersion time. The solutions used in this study were 100% 1M sulfuric acid, phosphorus acid, and nitric acid. The voltages used in this study were 15V and 30V, while the immersion time variation of the anodizing process was carried out at 10 minutes and 30 minutes. The mechanical properties of anodizing aluminum 6061 were tested using hardness and wear resistance tests. The data that had been obtained were analyzed using the descriptive analysis method. The results showed that the highest hardness rate was obtained in the treatment with the use of 100% H2SO4
anodizing solution, with a voltage of 15V, which was immersed for 30 minutes. The highest hardness reaching 106.47 HV was found in specimen number 2, with a wear
resistance of 17153.09 m/g, and a coating thickness of 57.025 μm.

Item Type: Article
Additional Information: Agus Suprapto NIDN: 0707095801
Uncontrolled Keywords: Anodizing solution, coating thickness, hardness, wear resistance, aluminum 6061.
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TN Mining engineering. Metallurgy
Divisions: Fakultas Teknik > S1 Teknik Mesin
Depositing User: Rita Juliani
Date Deposited: 08 Apr 2023 04:59
Last Modified: 08 Apr 2023 05:41

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