Microstructure and corrosion properties of the AISI 904L weld cladding obtained by the electro slag process

The AISI 904L steel is a superaustenitic stainless steel, which presents a good combination of properties like high strength, weldability, and good corrosion resistance. Despite its wide use in several industrial segments, the literature reporting the performance of claddings deposited with this all...

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Autores principales:	João V.S. Matias, Manuel J.C. Lourenço, Jorge C.F. Jorge, Luís Felipe G. de Souza, Humberto N. Farneze, Matheus C. Mendes, Leonardo S. Araújo
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	AISI 904L steel Electroslag process Cladding Microstructure Corrosion Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/b36572eb6ec94a5c872ae73ac176c226
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spelling	oai:doaj.org-article:b36572eb6ec94a5c872ae73ac176c2262021-11-12T04:35:42ZMicrostructure and corrosion properties of the AISI 904L weld cladding obtained by the electro slag process2238-785410.1016/j.jmrt.2021.10.094https://doaj.org/article/b36572eb6ec94a5c872ae73ac176c2262021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S223878542101231Xhttps://doaj.org/toc/2238-7854The AISI 904L steel is a superaustenitic stainless steel, which presents a good combination of properties like high strength, weldability, and good corrosion resistance. Despite its wide use in several industrial segments, the literature reporting the performance of claddings deposited with this alloy to improve the corrosion performance of equipment is limited. Based on this scenario, this work evaluates the microstructure and corrosion properties of the AISI 904L steel weld cladding obtained by the electroslag welding (ESW) deposited on a carbon steel ASTM A516 Grade 70. Single layer cladding was deposited on 50 × 400 × 400 mm steel plates with average welding energy of 11.7 kJ/mm to obtain the minimum thickness required. After welding, metallographic examination and corrosion tests were performed on samples removed at 1 and 3 mm parallel to the fusion line. Metallographic characterization was performed by optical and scanning electron microscopy. Cyclic polarization tests in 3.5% NaCl solution were performed at the same positions as the metallographic examinations. The results showed that the austenitic microstructure presenting a low volume fraction of secondary phases provided suitable corrosion results for all conditions studied. It evidences that single layer weld overlays obtained with the AISI 904L steel deposited by the ESW process may be considered an adequate alternative for overlay welding with reduced thicknesses because good results were observed at only 1.0 mm from the fusion line, and this could represent a significant cost reduction.João V.S. MatiasManuel J.C. LourençoJorge C.F. JorgeLuís Felipe G. de SouzaHumberto N. FarnezeMatheus C. MendesLeonardo S. AraújoElsevierarticleAISI 904L steelElectroslag processCladdingMicrostructureCorrosionMining engineering. MetallurgyTN1-997ENJournal of Materials Research and Technology, Vol 15, Iss , Pp 5151-5164 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	AISI 904L steel Electroslag process Cladding Microstructure Corrosion Mining engineering. Metallurgy TN1-997
spellingShingle	AISI 904L steel Electroslag process Cladding Microstructure Corrosion Mining engineering. Metallurgy TN1-997 João V.S. Matias Manuel J.C. Lourenço Jorge C.F. Jorge Luís Felipe G. de Souza Humberto N. Farneze Matheus C. Mendes Leonardo S. Araújo Microstructure and corrosion properties of the AISI 904L weld cladding obtained by the electro slag process
description	The AISI 904L steel is a superaustenitic stainless steel, which presents a good combination of properties like high strength, weldability, and good corrosion resistance. Despite its wide use in several industrial segments, the literature reporting the performance of claddings deposited with this alloy to improve the corrosion performance of equipment is limited. Based on this scenario, this work evaluates the microstructure and corrosion properties of the AISI 904L steel weld cladding obtained by the electroslag welding (ESW) deposited on a carbon steel ASTM A516 Grade 70. Single layer cladding was deposited on 50 × 400 × 400 mm steel plates with average welding energy of 11.7 kJ/mm to obtain the minimum thickness required. After welding, metallographic examination and corrosion tests were performed on samples removed at 1 and 3 mm parallel to the fusion line. Metallographic characterization was performed by optical and scanning electron microscopy. Cyclic polarization tests in 3.5% NaCl solution were performed at the same positions as the metallographic examinations. The results showed that the austenitic microstructure presenting a low volume fraction of secondary phases provided suitable corrosion results for all conditions studied. It evidences that single layer weld overlays obtained with the AISI 904L steel deposited by the ESW process may be considered an adequate alternative for overlay welding with reduced thicknesses because good results were observed at only 1.0 mm from the fusion line, and this could represent a significant cost reduction.
format	article
author	João V.S. Matias Manuel J.C. Lourenço Jorge C.F. Jorge Luís Felipe G. de Souza Humberto N. Farneze Matheus C. Mendes Leonardo S. Araújo
author_facet	João V.S. Matias Manuel J.C. Lourenço Jorge C.F. Jorge Luís Felipe G. de Souza Humberto N. Farneze Matheus C. Mendes Leonardo S. Araújo
author_sort	João V.S. Matias
title	Microstructure and corrosion properties of the AISI 904L weld cladding obtained by the electro slag process
title_short	Microstructure and corrosion properties of the AISI 904L weld cladding obtained by the electro slag process
title_full	Microstructure and corrosion properties of the AISI 904L weld cladding obtained by the electro slag process
title_fullStr	Microstructure and corrosion properties of the AISI 904L weld cladding obtained by the electro slag process
title_full_unstemmed	Microstructure and corrosion properties of the AISI 904L weld cladding obtained by the electro slag process
title_sort	microstructure and corrosion properties of the aisi 904l weld cladding obtained by the electro slag process
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/b36572eb6ec94a5c872ae73ac176c226
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Microstructure and corrosion properties of the AISI 904L weld cladding obtained by the electro slag process

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