Enhanced corrosion resistance of aluminum 6061 alloy using Ti-based thin films and plasma nitriding

The corrosion resistance of aluminum alloys is a critical factor limiting their application in aggressive environments, particularly those containing chloride ions. Aluminum 6061, despite its high strength-to-weight ratio, suffers from localized corrosion in such conditions. In this study, Ti, Ti-Ni...

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Main Authors: Margono, Djarot B. Darmadi, Femiana Gapsari, Teguh Dwi Widodo, Bayu Mahdi Kartika
Format: Article
Language:English
Published: Elsevier 2025-07-01
Series:JCIS Open
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2666934X25000121
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author Margono
Djarot B. Darmadi
Femiana Gapsari
Teguh Dwi Widodo
Bayu Mahdi Kartika
author_facet Margono
Djarot B. Darmadi
Femiana Gapsari
Teguh Dwi Widodo
Bayu Mahdi Kartika
author_sort Margono
collection DOAJ
description The corrosion resistance of aluminum alloys is a critical factor limiting their application in aggressive environments, particularly those containing chloride ions. Aluminum 6061, despite its high strength-to-weight ratio, suffers from localized corrosion in such conditions. In this study, Ti, Ti-Ni, and Ti-Ni-N thin films were deposited on aluminum 6061 alloy using the DC sputtering method, followed by plasma nitriding for the Ti-Ni-N film. The results showed that the Ti-Ni film exhibited the best corrosion resistance of 3.64 × 10−4 mm/year, with the lowest icorr of 2.80 × 10−4 A/cm2 and the highest protection efficiency, due to the formation of a stable passive layer. The Ti-Ni-N film also demonstrated enhanced hardness of 392.4 HV, though with slightly higher surface roughness of 5.76 μm. This research contributes to the development of more durable coatings for aluminum alloys, providing improved corrosion resistance in chloride-rich environments.
format Article
id doaj-art-2d450fc0c2554d4ca9dd83cbb4042a11
institution DOAJ
issn 2666-934X
language English
publishDate 2025-07-01
publisher Elsevier
record_format Article
series JCIS Open
spelling doaj-art-2d450fc0c2554d4ca9dd83cbb4042a112025-08-20T03:20:03ZengElsevierJCIS Open2666-934X2025-07-011810013910.1016/j.jciso.2025.100139Enhanced corrosion resistance of aluminum 6061 alloy using Ti-based thin films and plasma nitriding Margono0Djarot B. Darmadi1Femiana Gapsari2Teguh Dwi Widodo3Bayu Mahdi Kartika4Mechanical Engineering Department, Faculty of Engineering, Brawijaya University, MT Haryono 167, Malang, 65145, Indonesia; Mechanical Engineering Department, Sekolah Tinggi Teknologi Warga Surakarta, Raya Solo – Baki Km 2, Sukoharjo, 57552, IndonesiaMechanical Engineering Department, Faculty of Engineering, Brawijaya University, MT Haryono 167, Malang, 65145, IndonesiaMechanical Engineering Department, Faculty of Engineering, Brawijaya University, MT Haryono 167, Malang, 65145, Indonesia; Corresponding author.Mechanical Engineering Department, Faculty of Engineering, Brawijaya University, MT Haryono 167, Malang, 65145, IndonesiaResearch Center for Advanced Materials, National Research and Innovation Agency (BRIN), South Tangerang, Banten, 15314, IndonesiaThe corrosion resistance of aluminum alloys is a critical factor limiting their application in aggressive environments, particularly those containing chloride ions. Aluminum 6061, despite its high strength-to-weight ratio, suffers from localized corrosion in such conditions. In this study, Ti, Ti-Ni, and Ti-Ni-N thin films were deposited on aluminum 6061 alloy using the DC sputtering method, followed by plasma nitriding for the Ti-Ni-N film. The results showed that the Ti-Ni film exhibited the best corrosion resistance of 3.64 × 10−4 mm/year, with the lowest icorr of 2.80 × 10−4 A/cm2 and the highest protection efficiency, due to the formation of a stable passive layer. The Ti-Ni-N film also demonstrated enhanced hardness of 392.4 HV, though with slightly higher surface roughness of 5.76 μm. This research contributes to the development of more durable coatings for aluminum alloys, providing improved corrosion resistance in chloride-rich environments.http://www.sciencedirect.com/science/article/pii/S2666934X25000121Thin filmDC sputteringPlasma nitridingCorrosionElectrochemical test
spellingShingle Margono
Djarot B. Darmadi
Femiana Gapsari
Teguh Dwi Widodo
Bayu Mahdi Kartika
Enhanced corrosion resistance of aluminum 6061 alloy using Ti-based thin films and plasma nitriding
JCIS Open
Thin film
DC sputtering
Plasma nitriding
Corrosion
Electrochemical test
title Enhanced corrosion resistance of aluminum 6061 alloy using Ti-based thin films and plasma nitriding
title_full Enhanced corrosion resistance of aluminum 6061 alloy using Ti-based thin films and plasma nitriding
title_fullStr Enhanced corrosion resistance of aluminum 6061 alloy using Ti-based thin films and plasma nitriding
title_full_unstemmed Enhanced corrosion resistance of aluminum 6061 alloy using Ti-based thin films and plasma nitriding
title_short Enhanced corrosion resistance of aluminum 6061 alloy using Ti-based thin films and plasma nitriding
title_sort enhanced corrosion resistance of aluminum 6061 alloy using ti based thin films and plasma nitriding
topic Thin film
DC sputtering
Plasma nitriding
Corrosion
Electrochemical test
url http://www.sciencedirect.com/science/article/pii/S2666934X25000121
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AT djarotbdarmadi enhancedcorrosionresistanceofaluminum6061alloyusingtibasedthinfilmsandplasmanitriding
AT femianagapsari enhancedcorrosionresistanceofaluminum6061alloyusingtibasedthinfilmsandplasmanitriding
AT teguhdwiwidodo enhancedcorrosionresistanceofaluminum6061alloyusingtibasedthinfilmsandplasmanitriding
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