Corrosion inhibition of 6061 aluminium alloy in acidic media by honey

The corrosion inhibition of aluminum and its alloys in acidic solution is the subject of the tremendous technological importance due to the increased in industrial applications of these materials. Aluminum and its alloy, however are reactive material and prone to corrosion. Inhibitor is the most pra...

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Main Author:	Mohd Azzizul, Chamingan
Format:	Undergraduates Project Papers
Language:	English
Published:	2010
Subjects:	TA Engineering (General). Civil engineering (General)
Online Access:	http://umpir.ump.edu.my/id/eprint/1835/ http://umpir.ump.edu.my/id/eprint/1835/ http://umpir.ump.edu.my/id/eprint/1835/1/Mohd_Azzizul_Chamingan_%28_CD_4963_%29.pdf

id	ump-1835
recordtype	eprints
spelling	ump-18352015-03-03T07:53:08Z http://umpir.ump.edu.my/id/eprint/1835/ Corrosion inhibition of 6061 aluminium alloy in acidic media by honey Mohd Azzizul, Chamingan TA Engineering (General). Civil engineering (General) The corrosion inhibition of aluminum and its alloys in acidic solution is the subject of the tremendous technological importance due to the increased in industrial applications of these materials. Aluminum and its alloy, however are reactive material and prone to corrosion. Inhibitor is the most practical method to protect metal against corrosion. Most of the corrosion inhibitors are synthetic chemicals, expensive and very hazardous to environment. Therefore, it should be reduced use to protect environmentally and human in the future. For this project, 6061 Aluminum Alloy in 5% H2SO4 was evaluated by using weight loss method and electrochemical techniques. This study investigated the effect of variation concentration of honey as inhibitor to the corrosion behavior of 6061 Aluminum alloy in the acidic solution. In weight loss method, the samples were immersed in the solution for the duration of 28 days. The samples were weighted before exposure and through the cleaning process using Nitric Acid after the immersion test. The mass loss after cleaning cycle was analyzed in term of corrosion rates. The microscopic examination was conducted by using metallurgical microscope. Potentiodynamic polarization was employed for electrochemical measurement by using WonATech potentiostat. The samples were mounted by resin before it attached as working electrode. The results showed that addition of natural honey retards the rate of dissolution and hence inhibits the corrosion of the 6061 Aluminum Alloy in 5% H2SO4 solution. The inhibitor efficiency increased with increasing of honey concentration for both methods. It was found that, the uniform corrosion occur to the surface of Aluminum alloy in acidic solution. The tafel plot from the potentiodynamic polarization also showed that the honey significantly decrease the corrosion potential (Ecorr) and current density (icorr) and concurrently, increase the surface coverage. The adsorption of natural honey on the me 2010-12 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/1835/1/Mohd_Azzizul_Chamingan_%28_CD_4963_%29.pdf Mohd Azzizul, Chamingan (2010) Corrosion inhibition of 6061 aluminium alloy in acidic media by honey. Faculty of Mechanical Engineering, Universiti Malaysia Pahang. http://iportal.ump.edu.my/lib/item?id=chamo:51703&theme=UMP2
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TA Engineering (General). Civil engineering (General)
spellingShingle	TA Engineering (General). Civil engineering (General) Mohd Azzizul, Chamingan Corrosion inhibition of 6061 aluminium alloy in acidic media by honey
description	The corrosion inhibition of aluminum and its alloys in acidic solution is the subject of the tremendous technological importance due to the increased in industrial applications of these materials. Aluminum and its alloy, however are reactive material and prone to corrosion. Inhibitor is the most practical method to protect metal against corrosion. Most of the corrosion inhibitors are synthetic chemicals, expensive and very hazardous to environment. Therefore, it should be reduced use to protect environmentally and human in the future. For this project, 6061 Aluminum Alloy in 5% H2SO4 was evaluated by using weight loss method and electrochemical techniques. This study investigated the effect of variation concentration of honey as inhibitor to the corrosion behavior of 6061 Aluminum alloy in the acidic solution. In weight loss method, the samples were immersed in the solution for the duration of 28 days. The samples were weighted before exposure and through the cleaning process using Nitric Acid after the immersion test. The mass loss after cleaning cycle was analyzed in term of corrosion rates. The microscopic examination was conducted by using metallurgical microscope. Potentiodynamic polarization was employed for electrochemical measurement by using WonATech potentiostat. The samples were mounted by resin before it attached as working electrode. The results showed that addition of natural honey retards the rate of dissolution and hence inhibits the corrosion of the 6061 Aluminum Alloy in 5% H2SO4 solution. The inhibitor efficiency increased with increasing of honey concentration for both methods. It was found that, the uniform corrosion occur to the surface of Aluminum alloy in acidic solution. The tafel plot from the potentiodynamic polarization also showed that the honey significantly decrease the corrosion potential (Ecorr) and current density (icorr) and concurrently, increase the surface coverage. The adsorption of natural honey on the me
format	Undergraduates Project Papers
author	Mohd Azzizul, Chamingan
author_facet	Mohd Azzizul, Chamingan
author_sort	Mohd Azzizul, Chamingan
title	Corrosion inhibition of 6061 aluminium alloy in acidic media by honey
title_short	Corrosion inhibition of 6061 aluminium alloy in acidic media by honey
title_full	Corrosion inhibition of 6061 aluminium alloy in acidic media by honey
title_fullStr	Corrosion inhibition of 6061 aluminium alloy in acidic media by honey
title_full_unstemmed	Corrosion inhibition of 6061 aluminium alloy in acidic media by honey
title_sort	corrosion inhibition of 6061 aluminium alloy in acidic media by honey
publishDate	2010
url	http://umpir.ump.edu.my/id/eprint/1835/ http://umpir.ump.edu.my/id/eprint/1835/ http://umpir.ump.edu.my/id/eprint/1835/1/Mohd_Azzizul_Chamingan_%28_CD_4963_%29.pdf
first_indexed	2023-09-18T21:55:07Z
last_indexed	2023-09-18T21:55:07Z
_version_	1777414027590238208

Corrosion inhibition of 6061 aluminium alloy in acidic media by honey

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