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Corrosion characterization of optimized Zr02-Sio2 mixed nanotubes coated on aluminium alloy AA3003 / Shalini Devi Ramaiya

Aluminium (Al) alloys are most important materials for the applications in cutting tools, engine block, as well as marine and aerospace components. In the present study, surface modification of Al alloy series 3, which known as aluminium-manganese alloy specifically AA3003, was carried out by deposi...

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Main Author: Shalini Devi, Ramaiya
Format: Thesis
Published: 2018
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TJ Mechanical engineering and machinery
Online Access:http://studentsrepo.um.edu.my/10027/1/Shalini_Devi_Ramaiya.jpg
http://studentsrepo.um.edu.my/10027/8/shalini.pdf
http://studentsrepo.um.edu.my/10027/
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spelling my.um.stud.100272021-06-22T19:03:12Z Corrosion characterization of optimized Zr02-Sio2 mixed nanotubes coated on aluminium alloy AA3003 / Shalini Devi Ramaiya Shalini Devi, Ramaiya TJ Mechanical engineering and machinery Aluminium (Al) alloys are most important materials for the applications in cutting tools, engine block, as well as marine and aerospace components. In the present study, surface modification of Al alloy series 3, which known as aluminium-manganese alloy specifically AA3003, was carried out by deposition of a Zr-Si thin film as a coating layer using physical vapor deposition magnetron sputtering (PVDMS) method. Well-adhered ZrO2-SiO2 mixed nanotubular arrays were successfully grown on AA3003 by anodization method, then by heat treatment using temperature in the range of 500–700 °C for 1.5 h under atmospheric condition. The surface wettability, microhardness and corrosion behavior were studied. From the microstructural analysis, the average length and diameter of the optimized nanotubular arrays ranged from 0.6 μm and 0.5 μm. For the 600 °C annealed sample with the strongest adhesion, the scratch length, failure point and adhesion strength were 985.94 μm, 812.88μm and 2700.28 mN, respectively. Besides, the annealed coating showed the highest wettability (lowest contact angle value). Potentiodynamic polarization results indicated that the corrosion rate decreased after deposition of Zr-Si thin film, anodization and thermal treatment compared to the bare substrate 2018-12 Thesis NonPeerReviewed application/pdf http://studentsrepo.um.edu.my/10027/1/Shalini_Devi_Ramaiya.jpg application/pdf http://studentsrepo.um.edu.my/10027/8/shalini.pdf Shalini Devi, Ramaiya (2018) Corrosion characterization of optimized Zr02-Sio2 mixed nanotubes coated on aluminium alloy AA3003 / Shalini Devi Ramaiya. Masters thesis, University of Malaya. http://studentsrepo.um.edu.my/10027/
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Student Repository
url_provider http://studentsrepo.um.edu.my/
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Shalini Devi, Ramaiya
Corrosion characterization of optimized Zr02-Sio2 mixed nanotubes coated on aluminium alloy AA3003 / Shalini Devi Ramaiya
description Aluminium (Al) alloys are most important materials for the applications in cutting tools, engine block, as well as marine and aerospace components. In the present study, surface modification of Al alloy series 3, which known as aluminium-manganese alloy specifically AA3003, was carried out by deposition of a Zr-Si thin film as a coating layer using physical vapor deposition magnetron sputtering (PVDMS) method. Well-adhered ZrO2-SiO2 mixed nanotubular arrays were successfully grown on AA3003 by anodization method, then by heat treatment using temperature in the range of 500–700 °C for 1.5 h under atmospheric condition. The surface wettability, microhardness and corrosion behavior were studied. From the microstructural analysis, the average length and diameter of the optimized nanotubular arrays ranged from 0.6 μm and 0.5 μm. For the 600 °C annealed sample with the strongest adhesion, the scratch length, failure point and adhesion strength were 985.94 μm, 812.88μm and 2700.28 mN, respectively. Besides, the annealed coating showed the highest wettability (lowest contact angle value). Potentiodynamic polarization results indicated that the corrosion rate decreased after deposition of Zr-Si thin film, anodization and thermal treatment compared to the bare substrate
format Thesis
author Shalini Devi, Ramaiya
author_facet Shalini Devi, Ramaiya
author_sort Shalini Devi, Ramaiya
title Corrosion characterization of optimized Zr02-Sio2 mixed nanotubes coated on aluminium alloy AA3003 / Shalini Devi Ramaiya
title_short Corrosion characterization of optimized Zr02-Sio2 mixed nanotubes coated on aluminium alloy AA3003 / Shalini Devi Ramaiya
title_full Corrosion characterization of optimized Zr02-Sio2 mixed nanotubes coated on aluminium alloy AA3003 / Shalini Devi Ramaiya
title_fullStr Corrosion characterization of optimized Zr02-Sio2 mixed nanotubes coated on aluminium alloy AA3003 / Shalini Devi Ramaiya
title_full_unstemmed Corrosion characterization of optimized Zr02-Sio2 mixed nanotubes coated on aluminium alloy AA3003 / Shalini Devi Ramaiya
title_sort corrosion characterization of optimized zr02-sio2 mixed nanotubes coated on aluminium alloy aa3003 / shalini devi ramaiya
publishDate 2018
url http://studentsrepo.um.edu.my/10027/1/Shalini_Devi_Ramaiya.jpg
http://studentsrepo.um.edu.my/10027/8/shalini.pdf
http://studentsrepo.um.edu.my/10027/
_version_ 1738506313931948032
score 13.211869

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