Optimum corrosion performance using microstructure design and additive manufacturing process control

Abstract Compatibility of traditional metallic alloys, particularly 316 L stainless steel, with additive manufacturing (AM) processes, is essential for industrial applications. This involves manipulating process parameters to design microstructures at various length scales, achieving desired propert...

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Main Authors: Parisa Moazzen, Ayda Shahriari, SeyedAmirReza Shamsdini, Payam Seraj, Foroozan Forooghi, Yahya Aghayar, Sajad Shakerin, Mackenzie Remington Purdy, Mohsen Mohammadi
Format: Article
Language:English
Published: Nature Portfolio 2025-02-01
Series:npj Materials Degradation
Online Access:https://doi.org/10.1038/s41529-024-00548-5
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author Parisa Moazzen
Ayda Shahriari
SeyedAmirReza Shamsdini
Payam Seraj
Foroozan Forooghi
Yahya Aghayar
Sajad Shakerin
Mackenzie Remington Purdy
Mohsen Mohammadi
author_facet Parisa Moazzen
Ayda Shahriari
SeyedAmirReza Shamsdini
Payam Seraj
Foroozan Forooghi
Yahya Aghayar
Sajad Shakerin
Mackenzie Remington Purdy
Mohsen Mohammadi
author_sort Parisa Moazzen
collection DOAJ
description Abstract Compatibility of traditional metallic alloys, particularly 316 L stainless steel, with additive manufacturing (AM) processes, is essential for industrial applications. This involves manipulating process parameters to design microstructures at various length scales, achieving desired properties for high-performance components. In this study, a hierarchical design approach was used for LPBF 316 L parts, achieving cell sizes of 400 to 900 nm confined within grains of 40 to 60 μm. Findings showed that varying scan strategies with constant energy input produced high-density components, with the smallest grain and cell size achieved in the continuous scan strategy. In addition, equations were developed to connect energy density with grain size for LPBF-316L, highlighting optimal scanning strategies. Furthermore, the correlation between microstructural features and corrosion behavior, focusing on electrochemical properties, was explored by adjusting key LPBF process parameters. The results suggested a Hall-Petch relationship between grain size and corrosion rate, indicating that smaller grains and cells reduce corrosion rates by affecting electrochemical behavior.
format Article
id doaj-art-ae52d1a5a959425c8b3a16ae8ef0c0c0
institution DOAJ
issn 2397-2106
language English
publishDate 2025-02-01
publisher Nature Portfolio
record_format Article
series npj Materials Degradation
spelling doaj-art-ae52d1a5a959425c8b3a16ae8ef0c0c02025-08-20T02:43:13ZengNature Portfolionpj Materials Degradation2397-21062025-02-019111810.1038/s41529-024-00548-5Optimum corrosion performance using microstructure design and additive manufacturing process controlParisa Moazzen0Ayda Shahriari1SeyedAmirReza Shamsdini2Payam Seraj3Foroozan Forooghi4Yahya Aghayar5Sajad Shakerin6Mackenzie Remington Purdy7Mohsen Mohammadi8Marine Additive Manufacturing Centre of Excellence (MAMCE), University of New BrunswickMarine Additive Manufacturing Centre of Excellence (MAMCE), University of New BrunswickMarine Additive Manufacturing Centre of Excellence (MAMCE), University of New BrunswickMarine Additive Manufacturing Centre of Excellence (MAMCE), University of New BrunswickMarine Additive Manufacturing Centre of Excellence (MAMCE), University of New BrunswickMarine Additive Manufacturing Centre of Excellence (MAMCE), University of New BrunswickMarine Additive Manufacturing Centre of Excellence (MAMCE), University of New BrunswickMarine Additive Manufacturing Centre of Excellence (MAMCE), University of New BrunswickMarine Additive Manufacturing Centre of Excellence (MAMCE), University of New BrunswickAbstract Compatibility of traditional metallic alloys, particularly 316 L stainless steel, with additive manufacturing (AM) processes, is essential for industrial applications. This involves manipulating process parameters to design microstructures at various length scales, achieving desired properties for high-performance components. In this study, a hierarchical design approach was used for LPBF 316 L parts, achieving cell sizes of 400 to 900 nm confined within grains of 40 to 60 μm. Findings showed that varying scan strategies with constant energy input produced high-density components, with the smallest grain and cell size achieved in the continuous scan strategy. In addition, equations were developed to connect energy density with grain size for LPBF-316L, highlighting optimal scanning strategies. Furthermore, the correlation between microstructural features and corrosion behavior, focusing on electrochemical properties, was explored by adjusting key LPBF process parameters. The results suggested a Hall-Petch relationship between grain size and corrosion rate, indicating that smaller grains and cells reduce corrosion rates by affecting electrochemical behavior.https://doi.org/10.1038/s41529-024-00548-5
spellingShingle Parisa Moazzen
Ayda Shahriari
SeyedAmirReza Shamsdini
Payam Seraj
Foroozan Forooghi
Yahya Aghayar
Sajad Shakerin
Mackenzie Remington Purdy
Mohsen Mohammadi
Optimum corrosion performance using microstructure design and additive manufacturing process control
npj Materials Degradation
title Optimum corrosion performance using microstructure design and additive manufacturing process control
title_full Optimum corrosion performance using microstructure design and additive manufacturing process control
title_fullStr Optimum corrosion performance using microstructure design and additive manufacturing process control
title_full_unstemmed Optimum corrosion performance using microstructure design and additive manufacturing process control
title_short Optimum corrosion performance using microstructure design and additive manufacturing process control
title_sort optimum corrosion performance using microstructure design and additive manufacturing process control
url https://doi.org/10.1038/s41529-024-00548-5
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