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Effect of Heat Treatment on Corrosion Behaviour of Welded AA6061 Aluminium Alloy in Seawater

The effect of various heat treatments on the corrosion behaviour of welded AA6061 aluminium alloy was investigated. Gas tungsten arc welding (GTAW) was used for welding butt joint specimens. Corrosion behaviour was determined in seawater solution using potentiodynamic polarization method. Microstruc...

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Main Authors: Nur Azhani, Abd Razak, Juliawati, Alias, L. H., Shah, M., Ishak
Format: Conference or Workshop Item
Language:English
Published: 2012
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://umpir.ump.edu.my/id/eprint/2994/1/Effect_of_heat_treatment_on_corrosion_behaviour_of_welded_AA6061_aluminium_alloy_in_seawater_full_paper_AMPT_2.pdf
http://umpir.ump.edu.my/id/eprint/2994/
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spelling my.ump.umpir.29942018-08-28T07:54:00Z http://umpir.ump.edu.my/id/eprint/2994/ Effect of Heat Treatment on Corrosion Behaviour of Welded AA6061 Aluminium Alloy in Seawater Nur Azhani, Abd Razak Juliawati, Alias L. H., Shah M., Ishak TJ Mechanical engineering and machinery The effect of various heat treatments on the corrosion behaviour of welded AA6061 aluminium alloy was investigated. Gas tungsten arc welding (GTAW) was used for welding butt joint specimens. Corrosion behaviour was determined in seawater solution using potentiodynamic polarization method. Microstructure and compositional analysis of base metal (BM) and weld metal (WM) was studied with scanning electron microscope (SEM) and energy dispersive spectroscopy (EDS). The result indicated that BM consists of Fe-rich coarse intermetallic particles that behave as cathodic sites with respect to the matrix. Tafel plot showed that WM is cathode and give better corrosion resistance in different heat treatment compared to BM. Localized corrosion was observed on the corroded surfaces by SEM. 2012 Conference or Workshop Item PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/2994/1/Effect_of_heat_treatment_on_corrosion_behaviour_of_welded_AA6061_aluminium_alloy_in_seawater_full_paper_AMPT_2.pdf Nur Azhani, Abd Razak and Juliawati, Alias and L. H., Shah and M., Ishak (2012) Effect of Heat Treatment on Corrosion Behaviour of Welded AA6061 Aluminium Alloy in Seawater. In: 15th International Conference on Advances in Materials & Processing Technologies, 23-26 September 2012 , Wollongong, Australia. .
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Nur Azhani, Abd Razak
Juliawati, Alias
L. H., Shah
M., Ishak
Effect of Heat Treatment on Corrosion Behaviour of Welded AA6061 Aluminium Alloy in Seawater
description The effect of various heat treatments on the corrosion behaviour of welded AA6061 aluminium alloy was investigated. Gas tungsten arc welding (GTAW) was used for welding butt joint specimens. Corrosion behaviour was determined in seawater solution using potentiodynamic polarization method. Microstructure and compositional analysis of base metal (BM) and weld metal (WM) was studied with scanning electron microscope (SEM) and energy dispersive spectroscopy (EDS). The result indicated that BM consists of Fe-rich coarse intermetallic particles that behave as cathodic sites with respect to the matrix. Tafel plot showed that WM is cathode and give better corrosion resistance in different heat treatment compared to BM. Localized corrosion was observed on the corroded surfaces by SEM.
format Conference or Workshop Item
author Nur Azhani, Abd Razak
Juliawati, Alias
L. H., Shah
M., Ishak
author_facet Nur Azhani, Abd Razak
Juliawati, Alias
L. H., Shah
M., Ishak
author_sort Nur Azhani, Abd Razak
title Effect of Heat Treatment on Corrosion Behaviour of Welded AA6061 Aluminium Alloy in Seawater
title_short Effect of Heat Treatment on Corrosion Behaviour of Welded AA6061 Aluminium Alloy in Seawater
title_full Effect of Heat Treatment on Corrosion Behaviour of Welded AA6061 Aluminium Alloy in Seawater
title_fullStr Effect of Heat Treatment on Corrosion Behaviour of Welded AA6061 Aluminium Alloy in Seawater
title_full_unstemmed Effect of Heat Treatment on Corrosion Behaviour of Welded AA6061 Aluminium Alloy in Seawater
title_sort effect of heat treatment on corrosion behaviour of welded aa6061 aluminium alloy in seawater
publishDate 2012
url http://umpir.ump.edu.my/id/eprint/2994/1/Effect_of_heat_treatment_on_corrosion_behaviour_of_welded_AA6061_aluminium_alloy_in_seawater_full_paper_AMPT_2.pdf
http://umpir.ump.edu.my/id/eprint/2994/
_version_ 1643664713859465216
score 13.211869

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