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Electro deposition of r-GO/SiC nano-composites on Magnesium and its Corrosion Behavior in Aqueous Electrolyte

Kavimani V., K. Soorya Prakash, R. Rajesh, Devaraj Rammasamy, Nivas Babu Selvaraj, Tao Yang, Balasubramanian Prabakaran, Sathiskumar Jothi Orcid Logo

Applied Surface Science

Swansea University Author: Sathiskumar Jothi Orcid Logo

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DOI (Published version): 10.1016/j.apsusc.2017.02.082

Abstract

In this paper a detailed investigation for corrosion behavior of magnesium substrate electrodeposited differently by nanoparticles like Reduced Graphene Oxide (r-GO synthesized through Modified Hummer’s Method), Silicon Carbide (SiCsingle bond mechanically alloyed) and also r-GO/SiC nanocomposites (...

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Published in: Applied Surface Science
ISSN: 0169-4332
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa31979
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spelling 2018-01-30T09:58:29.4678673 v2 31979 2017-02-14 Electro deposition of r-GO/SiC nano-composites on Magnesium and its Corrosion Behavior in Aqueous Electrolyte 6cd28300413d3e63178f0bf7e2130569 0000-0001-7328-1112 Sathiskumar Jothi Sathiskumar Jothi true false 2017-02-14 EEN In this paper a detailed investigation for corrosion behavior of magnesium substrate electrodeposited differently by nanoparticles like Reduced Graphene Oxide (r-GO synthesized through Modified Hummer’s Method), Silicon Carbide (SiCsingle bond mechanically alloyed) and also r-GO/SiC nanocomposites (dispersed through ultrasonication process) as coating materials for varying time period was done. Synthesized nanocomposite was characterized through various physio-chemical techniques and confirmation of the same was carried out. Surface morphology of the developed set of specimens was scrutinized through SEM and EDAX which establishes a clean surface coating with minimal defects attainment through electro deposition technique. Electrochemical corrosion behavior for the magnesium substrates coated with r-GO, SiC, r-GO/SiC for 5 and 10 minute coating time period was conceded over in 0.1 M of NaCl and Na2SO4 aqueous solution using Tafel polarization and then compared with a pure magnesium substrate. r-GO/SiC nanocomposite coated magnesium substrate showcased a drastic breakthrough in corrosion resistance when compared with other set of specimens in aqueous medium. Delamination behavior for the same set of specimens was carried and the r-GO/SiC nanocomposite coated magnesium exposed a minimum delamination area accounting to the hydrophobic property of graphene and the binding effect of SiC nano particles. Journal Article Applied Surface Science 0169-4332 Reduced Graphene Oxide; r-GO/SiC nano-composites; Corrosion resistance; Magnesium; Silicon Carbide; Electro-deposition 31 12 2017 2017-12-31 10.1016/j.apsusc.2017.02.082 COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2018-01-30T09:58:29.4678673 2017-02-14T14:45:05.1839595 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Kavimani V. 1 K. Soorya Prakash 2 R. Rajesh 3 Devaraj Rammasamy 4 Nivas Babu Selvaraj 5 Tao Yang 6 Balasubramanian Prabakaran 7 Sathiskumar Jothi 0000-0001-7328-1112 8 0031979-14022017144703.pdf kavimani2017.pdf 2017-02-14T14:47:03.8230000 Output 1842377 application/pdf Accepted Manuscript true 2018-02-14T00:00:00.0000000 false eng
title Electro deposition of r-GO/SiC nano-composites on Magnesium and its Corrosion Behavior in Aqueous Electrolyte
spellingShingle Electro deposition of r-GO/SiC nano-composites on Magnesium and its Corrosion Behavior in Aqueous Electrolyte
Sathiskumar Jothi
title_short Electro deposition of r-GO/SiC nano-composites on Magnesium and its Corrosion Behavior in Aqueous Electrolyte
title_full Electro deposition of r-GO/SiC nano-composites on Magnesium and its Corrosion Behavior in Aqueous Electrolyte
title_fullStr Electro deposition of r-GO/SiC nano-composites on Magnesium and its Corrosion Behavior in Aqueous Electrolyte
title_full_unstemmed Electro deposition of r-GO/SiC nano-composites on Magnesium and its Corrosion Behavior in Aqueous Electrolyte
title_sort Electro deposition of r-GO/SiC nano-composites on Magnesium and its Corrosion Behavior in Aqueous Electrolyte
author_id_str_mv 6cd28300413d3e63178f0bf7e2130569
author_id_fullname_str_mv 6cd28300413d3e63178f0bf7e2130569_***_Sathiskumar Jothi
author Sathiskumar Jothi
author2 Kavimani V.
K. Soorya Prakash
R. Rajesh
Devaraj Rammasamy
Nivas Babu Selvaraj
Tao Yang
Balasubramanian Prabakaran
Sathiskumar Jothi
format Journal article
container_title Applied Surface Science
publishDate 2017
institution Swansea University
issn 0169-4332
doi_str_mv 10.1016/j.apsusc.2017.02.082
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
active_str 0
description In this paper a detailed investigation for corrosion behavior of magnesium substrate electrodeposited differently by nanoparticles like Reduced Graphene Oxide (r-GO synthesized through Modified Hummer’s Method), Silicon Carbide (SiCsingle bond mechanically alloyed) and also r-GO/SiC nanocomposites (dispersed through ultrasonication process) as coating materials for varying time period was done. Synthesized nanocomposite was characterized through various physio-chemical techniques and confirmation of the same was carried out. Surface morphology of the developed set of specimens was scrutinized through SEM and EDAX which establishes a clean surface coating with minimal defects attainment through electro deposition technique. Electrochemical corrosion behavior for the magnesium substrates coated with r-GO, SiC, r-GO/SiC for 5 and 10 minute coating time period was conceded over in 0.1 M of NaCl and Na2SO4 aqueous solution using Tafel polarization and then compared with a pure magnesium substrate. r-GO/SiC nanocomposite coated magnesium substrate showcased a drastic breakthrough in corrosion resistance when compared with other set of specimens in aqueous medium. Delamination behavior for the same set of specimens was carried and the r-GO/SiC nanocomposite coated magnesium exposed a minimum delamination area accounting to the hydrophobic property of graphene and the binding effect of SiC nano particles.
published_date 2017-12-31T03:39:06Z
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score 11.036553

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