<i>Nephelium lappaceum</i> Extract as an Organic Inhibitor to Control the Corrosion of Carbon Steel Weldment in the Acidic Environment

Organic inhibitors have been considered as an effective way to control the corrosion of carbon steel weldment in an acidic environment. This work proposes a new green organic inhibitor made of extract of rambutan fruit (<i>Nephelium lappaceum</i>) peel and aims at analyzing its corrosion...

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Autores principales:	Femiana Gapsari, Djarot B. Darmadi, Putu H. Setyarini, Hubby Izzuddin, Kartika A. Madurani, Ayoub Tanji, Hendra Hermawan
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	acidic environment corrosion electrochemical test <i>Nephelium lappaceum</i> organic inhibitor weldment Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/c66d4f13acb04907a01a1077d62e2fce
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spelling	oai:doaj.org-article:c66d4f13acb04907a01a1077d62e2fce2021-11-11T19:45:29Z<i>Nephelium lappaceum</i> Extract as an Organic Inhibitor to Control the Corrosion of Carbon Steel Weldment in the Acidic Environment10.3390/su1321121352071-1050https://doaj.org/article/c66d4f13acb04907a01a1077d62e2fce2021-11-01T00:00:00Zhttps://www.mdpi.com/2071-1050/13/21/12135https://doaj.org/toc/2071-1050Organic inhibitors have been considered as an effective way to control the corrosion of carbon steel weldment in an acidic environment. This work proposes a new green organic inhibitor made of extract of rambutan fruit (<i>Nephelium lappaceum</i>) peel and aims at analyzing its corrosion inhibitor properties and protection mechanism. Specimens of carbon steel weldment were tested for their corrosion by using electrochemical and immersion methods in 1 M HCl solution containing 0 to 6 g/L of Nephelium peel (NP) extract. Results showed that, in the same solution, the corrosion rate was measured to be higher on the weld metal zone than that of base metal zone, which could be related to the coarser grain of the weld metal zone and the stability of the formed oxide layer. The addition of NP extract was found to increase the stability of the oxide layer, thus increasing the corrosion resistance of the specimens. The maximum inhibition efficiency of the NP extract was reached at 97% for weld metal with 5 g/L of extract, at 80% for the heat affected zone with 5 g/L, and at 70% for base metal with 4 g/L. This work reveals the particularity of different weldment zones to the different needs of inhibitor concentration for obtaining the optimum corrosion protection.Femiana GapsariDjarot B. DarmadiPutu H. SetyariniHubby IzzuddinKartika A. MaduraniAyoub TanjiHendra HermawanMDPI AGarticleacidic environmentcorrosionelectrochemical test<i>Nephelium lappaceum</i>organic inhibitorweldmentEnvironmental effects of industries and plantsTD194-195Renewable energy sourcesTJ807-830Environmental sciencesGE1-350ENSustainability, Vol 13, Iss 12135, p 12135 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	acidic environment corrosion electrochemical test <i>Nephelium lappaceum</i> organic inhibitor weldment Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350
spellingShingle	acidic environment corrosion electrochemical test <i>Nephelium lappaceum</i> organic inhibitor weldment Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350 Femiana Gapsari Djarot B. Darmadi Putu H. Setyarini Hubby Izzuddin Kartika A. Madurani Ayoub Tanji Hendra Hermawan <i>Nephelium lappaceum</i> Extract as an Organic Inhibitor to Control the Corrosion of Carbon Steel Weldment in the Acidic Environment
description	Organic inhibitors have been considered as an effective way to control the corrosion of carbon steel weldment in an acidic environment. This work proposes a new green organic inhibitor made of extract of rambutan fruit (<i>Nephelium lappaceum</i>) peel and aims at analyzing its corrosion inhibitor properties and protection mechanism. Specimens of carbon steel weldment were tested for their corrosion by using electrochemical and immersion methods in 1 M HCl solution containing 0 to 6 g/L of Nephelium peel (NP) extract. Results showed that, in the same solution, the corrosion rate was measured to be higher on the weld metal zone than that of base metal zone, which could be related to the coarser grain of the weld metal zone and the stability of the formed oxide layer. The addition of NP extract was found to increase the stability of the oxide layer, thus increasing the corrosion resistance of the specimens. The maximum inhibition efficiency of the NP extract was reached at 97% for weld metal with 5 g/L of extract, at 80% for the heat affected zone with 5 g/L, and at 70% for base metal with 4 g/L. This work reveals the particularity of different weldment zones to the different needs of inhibitor concentration for obtaining the optimum corrosion protection.
format	article
author	Femiana Gapsari Djarot B. Darmadi Putu H. Setyarini Hubby Izzuddin Kartika A. Madurani Ayoub Tanji Hendra Hermawan
author_facet	Femiana Gapsari Djarot B. Darmadi Putu H. Setyarini Hubby Izzuddin Kartika A. Madurani Ayoub Tanji Hendra Hermawan
author_sort	Femiana Gapsari
title	<i>Nephelium lappaceum</i> Extract as an Organic Inhibitor to Control the Corrosion of Carbon Steel Weldment in the Acidic Environment
title_short	<i>Nephelium lappaceum</i> Extract as an Organic Inhibitor to Control the Corrosion of Carbon Steel Weldment in the Acidic Environment
title_full	<i>Nephelium lappaceum</i> Extract as an Organic Inhibitor to Control the Corrosion of Carbon Steel Weldment in the Acidic Environment
title_fullStr	<i>Nephelium lappaceum</i> Extract as an Organic Inhibitor to Control the Corrosion of Carbon Steel Weldment in the Acidic Environment
title_full_unstemmed	<i>Nephelium lappaceum</i> Extract as an Organic Inhibitor to Control the Corrosion of Carbon Steel Weldment in the Acidic Environment
title_sort	<i>nephelium lappaceum</i> extract as an organic inhibitor to control the corrosion of carbon steel weldment in the acidic environment
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/c66d4f13acb04907a01a1077d62e2fce
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<i>Nephelium lappaceum</i> Extract as an Organic Inhibitor to Control the Corrosion of Carbon Steel Weldment in the Acidic Environment

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