Interfacial Microstructure and Corrosion Behaviour of Mild Steel Coated with Alumina Nanoparticles Doped Tin Composite via Direct Tinning Route

The improvement of the surface properties of ferrous metallic materials has become a crucial criterion for advanced engineering applications. The interfacial microstructure and corrosion behaviour of mild steel coated with alumina nanoparticles doped in tin composite using the direct tinning techniq...

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Autores principales:	Abdulaziz S. Alghamdi, K. S. Abdel Halim, Mohammed A. Amin, Abdullah S. Alshammari, Naglaa Fathy, Mohamed Ramadan
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	carbon steel interfacial microstructure tin corrosion resistance Al<sub>2</sub>O<sub>3</sub> nanoparticles Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/647bef8bf809446d9970484919d31fae
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spelling	oai:doaj.org-article:647bef8bf809446d9970484919d31fae2021-11-25T17:16:04ZInterfacial Microstructure and Corrosion Behaviour of Mild Steel Coated with Alumina Nanoparticles Doped Tin Composite via Direct Tinning Route10.3390/coatings111113182079-6412https://doaj.org/article/647bef8bf809446d9970484919d31fae2021-10-01T00:00:00Zhttps://www.mdpi.com/2079-6412/11/11/1318https://doaj.org/toc/2079-6412The improvement of the surface properties of ferrous metallic materials has become a crucial criterion for advanced engineering applications. The interfacial microstructure and corrosion behaviour of mild steel coated with alumina nanoparticles doped in tin composite using the direct tinning technique were investigated. A coating layer of tin composite containing different loads of Al<sub>2</sub>O<sub>3</sub> nanoparticles (0.25 wt.%, 0.50 wt.%, 1.00 wt.% and 1.5 wt.%) was prepared and directly deposited on a mild steel substrate. This type of a direct tinning process is considered to be a simple and low-cost route for protecting metallic materials from corrosion. It was found that the thickness of both the composite layer and Fe-Sn intermetallic layer at the coated interfaces was highly affected by the presence of alumina nanoparticles that effectively inhibit the diffusion of Sn atoms into the Fe substrate. For the samples coated with lower content of alumina nanoparticles (0.25 wt.% and 0.50 wt.%), the thickness of the Fe-Sn intermetallic coating (IMC) layer is decreased due to Fe-Sn IMC suppression. Otherwise, for the addition of more alumina nanoparticles (1.00 wt.% and 1.50 wt.%), the thickness of the Fe-Sn IMC layer is slightly increased because of nanoparticle’s agglomeration and flotation. It can be reported that the presence of alumina nanoparticles in the coating layer improves, to a great extent, the corrosion resistance of Sn-composites surface on mild steel substrates. Although the tin composite coating layer with a high quantity of alumina nanoparticles (1.0 wt.%) exhibited better corrosion resistance than the other tested samples, such nanoparticle additions have become increasingly difficult to obtain. It was observed that the Al<sub>2</sub>O<sub>3</sub> nanoparticles agglomeration and flotation that were detected in the coating surface may be related to high fraction nanoparticles loading and to the difference in the gravity for Sn and Al<sub>2</sub>O<sub>3</sub> nanoparticles. However, based on our investigation, a coating layer that contains 0.50 wt.% alumina nanoparticles is highly recommended for achieving long lasting and high-performance corrosion resistance for coated mild steel with minimal coating layer defects.Abdulaziz S. AlghamdiK. S. Abdel HalimMohammed A. AminAbdullah S. AlshammariNaglaa FathyMohamed RamadanMDPI AGarticlecarbon steelinterfacial microstructuretincorrosion resistanceAl<sub>2</sub>O<sub>3</sub>nanoparticlesEngineering (General). Civil engineering (General)TA1-2040ENCoatings, Vol 11, Iss 1318, p 1318 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	carbon steel interfacial microstructure tin corrosion resistance Al<sub>2</sub>O<sub>3</sub> nanoparticles Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	carbon steel interfacial microstructure tin corrosion resistance Al<sub>2</sub>O<sub>3</sub> nanoparticles Engineering (General). Civil engineering (General) TA1-2040 Abdulaziz S. Alghamdi K. S. Abdel Halim Mohammed A. Amin Abdullah S. Alshammari Naglaa Fathy Mohamed Ramadan Interfacial Microstructure and Corrosion Behaviour of Mild Steel Coated with Alumina Nanoparticles Doped Tin Composite via Direct Tinning Route
description	The improvement of the surface properties of ferrous metallic materials has become a crucial criterion for advanced engineering applications. The interfacial microstructure and corrosion behaviour of mild steel coated with alumina nanoparticles doped in tin composite using the direct tinning technique were investigated. A coating layer of tin composite containing different loads of Al<sub>2</sub>O<sub>3</sub> nanoparticles (0.25 wt.%, 0.50 wt.%, 1.00 wt.% and 1.5 wt.%) was prepared and directly deposited on a mild steel substrate. This type of a direct tinning process is considered to be a simple and low-cost route for protecting metallic materials from corrosion. It was found that the thickness of both the composite layer and Fe-Sn intermetallic layer at the coated interfaces was highly affected by the presence of alumina nanoparticles that effectively inhibit the diffusion of Sn atoms into the Fe substrate. For the samples coated with lower content of alumina nanoparticles (0.25 wt.% and 0.50 wt.%), the thickness of the Fe-Sn intermetallic coating (IMC) layer is decreased due to Fe-Sn IMC suppression. Otherwise, for the addition of more alumina nanoparticles (1.00 wt.% and 1.50 wt.%), the thickness of the Fe-Sn IMC layer is slightly increased because of nanoparticle’s agglomeration and flotation. It can be reported that the presence of alumina nanoparticles in the coating layer improves, to a great extent, the corrosion resistance of Sn-composites surface on mild steel substrates. Although the tin composite coating layer with a high quantity of alumina nanoparticles (1.0 wt.%) exhibited better corrosion resistance than the other tested samples, such nanoparticle additions have become increasingly difficult to obtain. It was observed that the Al<sub>2</sub>O<sub>3</sub> nanoparticles agglomeration and flotation that were detected in the coating surface may be related to high fraction nanoparticles loading and to the difference in the gravity for Sn and Al<sub>2</sub>O<sub>3</sub> nanoparticles. However, based on our investigation, a coating layer that contains 0.50 wt.% alumina nanoparticles is highly recommended for achieving long lasting and high-performance corrosion resistance for coated mild steel with minimal coating layer defects.
format	article
author	Abdulaziz S. Alghamdi K. S. Abdel Halim Mohammed A. Amin Abdullah S. Alshammari Naglaa Fathy Mohamed Ramadan
author_facet	Abdulaziz S. Alghamdi K. S. Abdel Halim Mohammed A. Amin Abdullah S. Alshammari Naglaa Fathy Mohamed Ramadan
author_sort	Abdulaziz S. Alghamdi
title	Interfacial Microstructure and Corrosion Behaviour of Mild Steel Coated with Alumina Nanoparticles Doped Tin Composite via Direct Tinning Route
title_short	Interfacial Microstructure and Corrosion Behaviour of Mild Steel Coated with Alumina Nanoparticles Doped Tin Composite via Direct Tinning Route
title_full	Interfacial Microstructure and Corrosion Behaviour of Mild Steel Coated with Alumina Nanoparticles Doped Tin Composite via Direct Tinning Route
title_fullStr	Interfacial Microstructure and Corrosion Behaviour of Mild Steel Coated with Alumina Nanoparticles Doped Tin Composite via Direct Tinning Route
title_full_unstemmed	Interfacial Microstructure and Corrosion Behaviour of Mild Steel Coated with Alumina Nanoparticles Doped Tin Composite via Direct Tinning Route
title_sort	interfacial microstructure and corrosion behaviour of mild steel coated with alumina nanoparticles doped tin composite via direct tinning route
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/647bef8bf809446d9970484919d31fae
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Interfacial Microstructure and Corrosion Behaviour of Mild Steel Coated with Alumina Nanoparticles Doped Tin Composite via Direct Tinning Route

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