Corrosion effects of CNT-nanofluids on different metals

This study aims to determine the corrosion rates of three different metals (copper, stainless steel, and aluminium alloy) using CNT-nanofluids. Nanofluids have been extensively studied in enhancing heat transfer rates of conventional base fluids due to its efficiency and high thermal conductivity. C...

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Main Authors:	Ismail, Ahmad Faris, Anuar, Asnida, Walvekar , Rashmi Gangasa, Yusaf, Talal F.
Format:	Article
Language:	English
Published:	WIT Press 2014
Subjects:	TA401 Materials of engineering and construction TJ Mechanical engineering and machinery
Online Access:	http://irep.iium.edu.my/36827/ http://irep.iium.edu.my/36827/ http://irep.iium.edu.my/36827/ http://irep.iium.edu.my/36827/1/faris.pdf

id	iium-36827
recordtype	eprints
spelling	iium-368272014-06-06T02:30:57Z http://irep.iium.edu.my/36827/ Corrosion effects of CNT-nanofluids on different metals Ismail, Ahmad Faris Anuar, Asnida Walvekar , Rashmi Gangasa Yusaf, Talal F. TA401 Materials of engineering and construction TJ Mechanical engineering and machinery This study aims to determine the corrosion rates of three different metals (copper, stainless steel, and aluminium alloy) using CNT-nanofluids. Nanofluids have been extensively studied in enhancing heat transfer rates of conventional base fluids due to its efficiency and high thermal conductivity. Carbon nanotube (CNT) based nanofluids have demonstrated significantly higher thermal conductivity compared to nanofluids based on other nanoparticles. Though transport properties of CNT-nanofluids including its thermal conductivity, density and viscosity have been studied by large scientific community, there are only few studies carried out on its physical properties especially their reaction towards corrosion of different metals. Therefore, this study is carried out to compare the corrosion rates of three different metals using four different engine coolants with the variation of temperature from 27˚C to 90˚C. The coolants deployed in this work include ethylene glycol, water, and CNT-nanofluids with two different concentrations of 0.1 wt% and 0.02 wt% CNT. The CNT-nanfluids are stabilized using the Gum Arabic (GA) as the dispersant. The results reveal that for each metal, the corrosion rates in water are the highest followed by ethylene glycol and CNT-nanofluids with 0.02 wt% and 0.1 wt%. Among the three metals, the highest rate of corrosion occurs to aluminium, followed by stainless steel and copper, for all coolants used in this experimental study. Finally, the rate of corrosion increases with the increase of temperature for all cases. WIT Press 2014 Article PeerReviewed application/pdf en http://irep.iium.edu.my/36827/1/faris.pdf Ismail, Ahmad Faris and Anuar, Asnida and Walvekar , Rashmi Gangasa and Yusaf, Talal F. (2014) Corrosion effects of CNT-nanofluids on different metals. WIT Transactions on Engineering Sciences, 87. pp. 139-146. ISSN 1743-3533 http://library.witpress.com/pages/listBooks.asp?tID=1 10.2495/AMITP20130171
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	TA401 Materials of engineering and construction TJ Mechanical engineering and machinery
spellingShingle	TA401 Materials of engineering and construction TJ Mechanical engineering and machinery Ismail, Ahmad Faris Anuar, Asnida Walvekar , Rashmi Gangasa Yusaf, Talal F. Corrosion effects of CNT-nanofluids on different metals
description	This study aims to determine the corrosion rates of three different metals (copper, stainless steel, and aluminium alloy) using CNT-nanofluids. Nanofluids have been extensively studied in enhancing heat transfer rates of conventional base fluids due to its efficiency and high thermal conductivity. Carbon nanotube (CNT) based nanofluids have demonstrated significantly higher thermal conductivity compared to nanofluids based on other nanoparticles. Though transport properties of CNT-nanofluids including its thermal conductivity, density and viscosity have been studied by large scientific community, there are only few studies carried out on its physical properties especially their reaction towards corrosion of different metals. Therefore, this study is carried out to compare the corrosion rates of three different metals using four different engine coolants with the variation of temperature from 27˚C to 90˚C. The coolants deployed in this work include ethylene glycol, water, and CNT-nanofluids with two different concentrations of 0.1 wt% and 0.02 wt% CNT. The CNT-nanfluids are stabilized using the Gum Arabic (GA) as the dispersant. The results reveal that for each metal, the corrosion rates in water are the highest followed by ethylene glycol and CNT-nanofluids with 0.02 wt% and 0.1 wt%. Among the three metals, the highest rate of corrosion occurs to aluminium, followed by stainless steel and copper, for all coolants used in this experimental study. Finally, the rate of corrosion increases with the increase of temperature for all cases.
format	Article
author	Ismail, Ahmad Faris Anuar, Asnida Walvekar , Rashmi Gangasa Yusaf, Talal F.
author_facet	Ismail, Ahmad Faris Anuar, Asnida Walvekar , Rashmi Gangasa Yusaf, Talal F.
author_sort	Ismail, Ahmad Faris
title	Corrosion effects of CNT-nanofluids on different metals
title_short	Corrosion effects of CNT-nanofluids on different metals
title_full	Corrosion effects of CNT-nanofluids on different metals
title_fullStr	Corrosion effects of CNT-nanofluids on different metals
title_full_unstemmed	Corrosion effects of CNT-nanofluids on different metals
title_sort	corrosion effects of cnt-nanofluids on different metals
publisher	WIT Press
publishDate	2014
url	http://irep.iium.edu.my/36827/ http://irep.iium.edu.my/36827/ http://irep.iium.edu.my/36827/ http://irep.iium.edu.my/36827/1/faris.pdf
first_indexed	2023-09-18T20:52:48Z
last_indexed	2023-09-18T20:52:48Z
_version_	1777410106642661376

Corrosion effects of CNT-nanofluids on different metals

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