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Effect of Ca on the performance of Mg-Mn sacrificial anodes by electrochemical corrosion techniques

The 25th Regional Conference of Solid State Science and Technology 2009 (RCSSST 2009) jointly organized by Universiti Malaysia Perlis (UniMAP) and Malaysian Solid State Science & Technology Society (MASS), 21st - 23rd December 2009 at Bayview Beach Resort, Ferringhi in the Pearl of the Orient, P...

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Main Authors: Shaiful Rizam, Shamsudin, C. I., Mahdi, Mohd Nazree, Derman, A. M. H., Firdaus, A. R., Daud, T., Loshniban
Other Authors: rizam@unimap.edu.my
Format: Working Paper
Language:English
Published: Universiti Malaysia Perlis 2010
Subjects:
Regional Conference of Solid State Science and Technology (RCSSST) 2009
Corrosion
Sacrificial anode
Magnesium alloys
Aluminium
Electrochemical
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/10408
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spelling my.unimap-104082010-12-28T04:50:40Z Effect of Ca on the performance of Mg-Mn sacrificial anodes by electrochemical corrosion techniques Shaiful Rizam, Shamsudin C. I., Mahdi Mohd Nazree, Derman A. M. H., Firdaus A. R., Daud T., Loshniban rizam@unimap.edu.my Regional Conference of Solid State Science and Technology (RCSSST) 2009 Corrosion Sacrificial anode Magnesium alloys Aluminium Electrochemical The 25th Regional Conference of Solid State Science and Technology 2009 (RCSSST 2009) jointly organized by Universiti Malaysia Perlis (UniMAP) and Malaysian Solid State Science & Technology Society (MASS), 21st - 23rd December 2009 at Bayview Beach Resort, Ferringhi in the Pearl of the Orient, Penang. The aim of the study is to identify the effect of Ca in Mg-Mn alloy on electrochemical corrosion behaviour for development of high performance sacrificial anode. Mg alloys were fabricated by casting technique under an inert atmosphere. 0.35 ~ 1.11 wt.% of Ca were added as alloying element. The finding shows that the addition of small Ca in Mg-Mn anodes was found not significantly affecting the corrosion rate. However, small content of Ca was as much as necessary improving electronegativity of open circuit potential and modifying anodic polarization in promoting the instabilities of surface passive layer hence results in the further dissolution process between ion and alloy species underneath. No passivation occurs on the standard samples. Pitting profile only occur on Mg-Mn anode that has lower Ca content (0.35 wt. %). An XRD result shows no present of Mg2Ca phase on the as-cast anode containing 1.11 wt. % Ca. As a conclusion, the influence of small content of Ca was profoundly modifying electrochemically behaviour of Mg containing Mn anodes except corrosion rate. 2010-12-28T04:50:40Z 2010-12-28T04:50:40Z 2009-12-21 Working Paper http://hdl.handle.net/123456789/10408 en 25th Regional Conference of Solid State Science and Technology (RCSSST) 2009 Universiti Malaysia Perlis School of Microelectronic Engineering and Institute of Nano Electronic Engineering (INEE)
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Regional Conference of Solid State Science and Technology (RCSSST) 2009
Corrosion
Sacrificial anode
Magnesium alloys
Aluminium
Electrochemical
spellingShingle Regional Conference of Solid State Science and Technology (RCSSST) 2009
Corrosion
Sacrificial anode
Magnesium alloys
Aluminium
Electrochemical
Shaiful Rizam, Shamsudin
C. I., Mahdi
Mohd Nazree, Derman
A. M. H., Firdaus
A. R., Daud
T., Loshniban
Effect of Ca on the performance of Mg-Mn sacrificial anodes by electrochemical corrosion techniques
description The 25th Regional Conference of Solid State Science and Technology 2009 (RCSSST 2009) jointly organized by Universiti Malaysia Perlis (UniMAP) and Malaysian Solid State Science & Technology Society (MASS), 21st - 23rd December 2009 at Bayview Beach Resort, Ferringhi in the Pearl of the Orient, Penang.
author2 rizam@unimap.edu.my
author_facet rizam@unimap.edu.my
Shaiful Rizam, Shamsudin
C. I., Mahdi
Mohd Nazree, Derman
A. M. H., Firdaus
A. R., Daud
T., Loshniban
format Working Paper
author Shaiful Rizam, Shamsudin
C. I., Mahdi
Mohd Nazree, Derman
A. M. H., Firdaus
A. R., Daud
T., Loshniban
author_sort Shaiful Rizam, Shamsudin
title Effect of Ca on the performance of Mg-Mn sacrificial anodes by electrochemical corrosion techniques
title_short Effect of Ca on the performance of Mg-Mn sacrificial anodes by electrochemical corrosion techniques
title_full Effect of Ca on the performance of Mg-Mn sacrificial anodes by electrochemical corrosion techniques
title_fullStr Effect of Ca on the performance of Mg-Mn sacrificial anodes by electrochemical corrosion techniques
title_full_unstemmed Effect of Ca on the performance of Mg-Mn sacrificial anodes by electrochemical corrosion techniques
title_sort effect of ca on the performance of mg-mn sacrificial anodes by electrochemical corrosion techniques
publisher Universiti Malaysia Perlis
publishDate 2010
url http://dspace.unimap.edu.my/xmlui/handle/123456789/10408
_version_ 1643789893623611392
score 13.222552

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