Correlation between microstructure and erosion-corrosion behavior of a nickel-aluminum bronze produced by continuous casting and powder metallurgy

In this study, Powder Metallurgy (PM) was used to produce Nickel–Aluminum Bronze (NAB) alloys for naval application. The effect of an annealing treatment on the microstructure, corrosion and erosion-corrosion resistance was investigated. In comparison to a commercial continuous cast NAB alloy, the α...

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Main Authors: Aintzane Fayanás, Nerea Ordás, Inés Aguirre, Alejandro Pérez-Alonso, Amadeu Concustell, Sílvia Molas, Gonzalo Varela, Isaac Valls, Ángela Veiga
Format: Article
Language:English
Published: Elsevier 2025-05-01
Series:Journal of Materials Research and Technology
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Online Access:http://www.sciencedirect.com/science/article/pii/S2238785425008300
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author Aintzane Fayanás
Nerea Ordás
Inés Aguirre
Alejandro Pérez-Alonso
Amadeu Concustell
Sílvia Molas
Gonzalo Varela
Isaac Valls
Ángela Veiga
author_facet Aintzane Fayanás
Nerea Ordás
Inés Aguirre
Alejandro Pérez-Alonso
Amadeu Concustell
Sílvia Molas
Gonzalo Varela
Isaac Valls
Ángela Veiga
author_sort Aintzane Fayanás
collection DOAJ
description In this study, Powder Metallurgy (PM) was used to produce Nickel–Aluminum Bronze (NAB) alloys for naval application. The effect of an annealing treatment on the microstructure, corrosion and erosion-corrosion resistance was investigated. In comparison to a commercial continuous cast NAB alloy, the α phase grains present in the microstructure of the PM alloy are coarser and more equiaxial. In contrast, the PM material exhibits finer κ precipitates. The smaller size of the κ phases in the PM samples results in a more homogeneous corrosion. Furthermore, the larger α grains assist in enhancing the erosion-corrosion resistance of the PM material.
format Article
id doaj-art-86af29fa16784e7eb06e3177261e0a8e
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issn 2238-7854
language English
publishDate 2025-05-01
publisher Elsevier
record_format Article
series Journal of Materials Research and Technology
spelling doaj-art-86af29fa16784e7eb06e3177261e0a8e2025-08-20T03:09:04ZengElsevierJournal of Materials Research and Technology2238-78542025-05-01363818383010.1016/j.jmrt.2025.04.009Correlation between microstructure and erosion-corrosion behavior of a nickel-aluminum bronze produced by continuous casting and powder metallurgyAintzane Fayanás0Nerea Ordás1Inés Aguirre2Alejandro Pérez-Alonso3Amadeu Concustell4Sílvia Molas5Gonzalo Varela6Isaac Valls7Ángela Veiga8CEIT-Basque Research and Technology Alliance (BRTA), Manuel Lardizabal 15, 20018, Donostia-San Sebastian, Spain; Universidad de Navarra, Tecnun, Manuel Lardizabal 13, 20018, Donostia-San Sebastian, Spain; Corresponding author. CEIT-Basque Research and Technology Alliance (BRTA), Manuel Lardizabal 15, 20018, Donostia-San Sebastian, Spain.CEIT-Basque Research and Technology Alliance (BRTA), Manuel Lardizabal 15, 20018, Donostia-San Sebastian, Spain; Universidad de Navarra, Tecnun, Manuel Lardizabal 13, 20018, Donostia-San Sebastian, SpainCEIT-Basque Research and Technology Alliance (BRTA), Manuel Lardizabal 15, 20018, Donostia-San Sebastian, SpainEURECAT, Centre Tecnològic de Catalunya, Unit of Metallic and Ceramic Materials, 08243, Manresa, SpainEURECAT, Centre Tecnològic de Catalunya, Unit of Metallic and Ceramic Materials, 08243, Manresa, SpainEURECAT, Centre Tecnològic de Catalunya, Unit of Metallic and Ceramic Materials, 08243, Manresa, SpainINNOMAQ 21 S.L., Carrer Apol•lo 51, 08228, Terrassa, SpainROVALMA, S.A., Carrer de la Collita 1-3, 08191, Rubí, SpainCEIT-Basque Research and Technology Alliance (BRTA), Manuel Lardizabal 15, 20018, Donostia-San Sebastian, Spain; Universidad de Navarra, Tecnun, Manuel Lardizabal 13, 20018, Donostia-San Sebastian, SpainIn this study, Powder Metallurgy (PM) was used to produce Nickel–Aluminum Bronze (NAB) alloys for naval application. The effect of an annealing treatment on the microstructure, corrosion and erosion-corrosion resistance was investigated. In comparison to a commercial continuous cast NAB alloy, the α phase grains present in the microstructure of the PM alloy are coarser and more equiaxial. In contrast, the PM material exhibits finer κ precipitates. The smaller size of the κ phases in the PM samples results in a more homogeneous corrosion. Furthermore, the larger α grains assist in enhancing the erosion-corrosion resistance of the PM material.http://www.sciencedirect.com/science/article/pii/S2238785425008300Nickel-aluminum bronzePowder metallurgyHeat treatmentMicrostructureCorrosionErosion-corrosion
spellingShingle Aintzane Fayanás
Nerea Ordás
Inés Aguirre
Alejandro Pérez-Alonso
Amadeu Concustell
Sílvia Molas
Gonzalo Varela
Isaac Valls
Ángela Veiga
Correlation between microstructure and erosion-corrosion behavior of a nickel-aluminum bronze produced by continuous casting and powder metallurgy
Journal of Materials Research and Technology
Nickel-aluminum bronze
Powder metallurgy
Heat treatment
Microstructure
Corrosion
Erosion-corrosion
title Correlation between microstructure and erosion-corrosion behavior of a nickel-aluminum bronze produced by continuous casting and powder metallurgy
title_full Correlation between microstructure and erosion-corrosion behavior of a nickel-aluminum bronze produced by continuous casting and powder metallurgy
title_fullStr Correlation between microstructure and erosion-corrosion behavior of a nickel-aluminum bronze produced by continuous casting and powder metallurgy
title_full_unstemmed Correlation between microstructure and erosion-corrosion behavior of a nickel-aluminum bronze produced by continuous casting and powder metallurgy
title_short Correlation between microstructure and erosion-corrosion behavior of a nickel-aluminum bronze produced by continuous casting and powder metallurgy
title_sort correlation between microstructure and erosion corrosion behavior of a nickel aluminum bronze produced by continuous casting and powder metallurgy
topic Nickel-aluminum bronze
Powder metallurgy
Heat treatment
Microstructure
Corrosion
Erosion-corrosion
url http://www.sciencedirect.com/science/article/pii/S2238785425008300
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