PROTEKSI KOROSI PADUAN ALUMUNIUM AA 6061 DENGAN INHIBITOR PELAPIS EKSTRAK KUNYIT (CURCUMA LONGA) PADA LINGKUNGAN DEK KAPAL LAUT MENGGUNAKAN METODE ELEKTROKIMIA

KURNIAWAN, ANDHIKA (2026) PROTEKSI KOROSI PADUAN ALUMUNIUM AA 6061 DENGAN INHIBITOR PELAPIS EKSTRAK KUNYIT (CURCUMA LONGA) PADA LINGKUNGAN DEK KAPAL LAUT MENGGUNAKAN METODE ELEKTROKIMIA. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

Alumunium alloy AA6061 is widely applied in ship deck structural components due to its high strength-to-weight ratio. However, exposure to chloride-rich marine environments can trigger localized corrosion that potentially compromises material reliability. The use of commercial coatings based on synthetic chemicals often poses negative impacts on the ecosystem, necessitating innovative green inhibitors derived from natural materials, such as turmeric rhizome extract (Curcuma longa). This study aims to analyze the corrosion rate of Alumunium AA6061 in natural seawater from Ancol Beach (pH 8.3) and evaluate the protective performance of a Butyl Acrylate coating system synthesized via UV photopolymerization (DMPP) integrated with turmeric extract as a green inhibitor. Electrochemical testing was performed using the Potentiodynamic Polarization (PDP) technique with a CorrTest CS350 potentiostat to measure corrosion parameters, complemented by surface morphology observations using a Scanning Electron Microscope (SEM) in Concentric Backscattered (CBS) mode. The results showed that the uncoated control specimen exhibited a corrosion rate of 0.14255 mmPY with a corrosion current density (

Item Type:	Thesis (S1)
NIM/NIDN Creators:	41322010010
Uncontrolled Keywords:	Alumunium AA6061, Butyl Acrylate, ekstrak kunyit (Curcuma longa), green inhibitor, korosi air laut, polarisasi potensiodinamik.
Subjects:	600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan > 621.8 Machine Engineering, Machinery/Teknik Mesin 700 Arts/Seni, Seni Rupa, Kesenian > 710 Civic and Lanscape Art/Seni Perkotaan dan Pertamanan > 716 Herbaceous Plants in Landscape Architecture/Tanaman Herbal dalam Desain Arsitektur 700 Arts/Seni, Seni Rupa, Kesenian > 750 Painting and Paintings/Seni Lukis dan Lukisan > 751 Techniques and Procedures/Teknik Seni Lukis dan Lukisan, Prosedur Seni Lukis dan Lukisan > 751.4 Techniques and Procedures/Teknik dan Prosedur > 751.42 Use of Water-Soluble Mediums/Penggunaan Media Larut Air
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	khalimah
Date Deposited:	28 Aug 2026 08:33
Last Modified:	28 Aug 2026 08:33
URI:	http://repository.mercubuana.ac.id/id/eprint/103477

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