Comparative study of finishing techniques for age-hardened Inconel 718 alloy

Inconel 718 is a widely used alloy in the aeronautic sector due to its excellent mechanical and corrosion wear resistance under high temperature conditions. However, its good mechanical properties can be a double edge sword in terms of manufacturing, especially in those processes based in mechanical...

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Autores principales:	Jon Ander Sarasua Miranda, Ander Trinidad Cristobal, Haizea González-Barrio, Pablo Fernández-Lucio, Gaizka Gómez-Escudero, Aitor Madariaga, Pedro Jose Arrazola
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Nickel-based alloy Polishing Burnishing Hammer peening Surface integrity Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/7f9782a24ec140cea46b16682d7c2d31
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id	oai:doaj.org-article:7f9782a24ec140cea46b16682d7c2d31
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spelling	oai:doaj.org-article:7f9782a24ec140cea46b16682d7c2d312021-11-22T04:26:22ZComparative study of finishing techniques for age-hardened Inconel 718 alloy2238-785410.1016/j.jmrt.2021.11.024https://doaj.org/article/7f9782a24ec140cea46b16682d7c2d312021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2238785421013028https://doaj.org/toc/2238-7854Inconel 718 is a widely used alloy in the aeronautic sector due to its excellent mechanical and corrosion wear resistance under high temperature conditions. However, its good mechanical properties can be a double edge sword in terms of manufacturing, especially in those processes based in mechanical principles, such as machining or forming. Considering that most aeronautic components are exposed to cyclic load and temperature, fatigue resistance becomes critical, and therefore, the finishing processes. The surface integrity of a component plays an important role on its fatigue behaviour, as the most common crack initiation area is usually the surface. The present work compares three different mechanical finishing processes that confer better surface properties to the component: polishing, burnishing, and hammer-peening. Each one achieves different degrees of roughness, and residual stress on the surface. The study is not only focused on the resultant mechanical properties, but also in productivity and process robustness. It is concluded that each technology excels in a different property.Jon Ander Sarasua MirandaAnder Trinidad CristobalHaizea González-BarrioPablo Fernández-LucioGaizka Gómez-EscuderoAitor MadariagaPedro Jose ArrazolaElsevierarticleNickel-based alloyPolishingBurnishingHammer peeningSurface integrityMining engineering. MetallurgyTN1-997ENJournal of Materials Research and Technology, Vol 15, Iss , Pp 5623-5634 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Nickel-based alloy Polishing Burnishing Hammer peening Surface integrity Mining engineering. Metallurgy TN1-997
spellingShingle	Nickel-based alloy Polishing Burnishing Hammer peening Surface integrity Mining engineering. Metallurgy TN1-997 Jon Ander Sarasua Miranda Ander Trinidad Cristobal Haizea González-Barrio Pablo Fernández-Lucio Gaizka Gómez-Escudero Aitor Madariaga Pedro Jose Arrazola Comparative study of finishing techniques for age-hardened Inconel 718 alloy
description	Inconel 718 is a widely used alloy in the aeronautic sector due to its excellent mechanical and corrosion wear resistance under high temperature conditions. However, its good mechanical properties can be a double edge sword in terms of manufacturing, especially in those processes based in mechanical principles, such as machining or forming. Considering that most aeronautic components are exposed to cyclic load and temperature, fatigue resistance becomes critical, and therefore, the finishing processes. The surface integrity of a component plays an important role on its fatigue behaviour, as the most common crack initiation area is usually the surface. The present work compares three different mechanical finishing processes that confer better surface properties to the component: polishing, burnishing, and hammer-peening. Each one achieves different degrees of roughness, and residual stress on the surface. The study is not only focused on the resultant mechanical properties, but also in productivity and process robustness. It is concluded that each technology excels in a different property.
format	article
author	Jon Ander Sarasua Miranda Ander Trinidad Cristobal Haizea González-Barrio Pablo Fernández-Lucio Gaizka Gómez-Escudero Aitor Madariaga Pedro Jose Arrazola
author_facet	Jon Ander Sarasua Miranda Ander Trinidad Cristobal Haizea González-Barrio Pablo Fernández-Lucio Gaizka Gómez-Escudero Aitor Madariaga Pedro Jose Arrazola
author_sort	Jon Ander Sarasua Miranda
title	Comparative study of finishing techniques for age-hardened Inconel 718 alloy
title_short	Comparative study of finishing techniques for age-hardened Inconel 718 alloy
title_full	Comparative study of finishing techniques for age-hardened Inconel 718 alloy
title_fullStr	Comparative study of finishing techniques for age-hardened Inconel 718 alloy
title_full_unstemmed	Comparative study of finishing techniques for age-hardened Inconel 718 alloy
title_sort	comparative study of finishing techniques for age-hardened inconel 718 alloy
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/7f9782a24ec140cea46b16682d7c2d31
work_keys_str_mv	AT jonandersarasuamiranda comparativestudyoffinishingtechniquesforagehardenedinconel718alloy AT andertrinidadcristobal comparativestudyoffinishingtechniquesforagehardenedinconel718alloy AT haizeagonzalezbarrio comparativestudyoffinishingtechniquesforagehardenedinconel718alloy AT pablofernandezlucio comparativestudyoffinishingtechniquesforagehardenedinconel718alloy AT gaizkagomezescudero comparativestudyoffinishingtechniquesforagehardenedinconel718alloy AT aitormadariaga comparativestudyoffinishingtechniquesforagehardenedinconel718alloy AT pedrojosearrazola comparativestudyoffinishingtechniquesforagehardenedinconel718alloy
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Comparative study of finishing techniques for age-hardened Inconel 718 alloy

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