Heat Treatment Effects on Pristine and Cold-Worked Thin-Walled Inconel 625

Thin-walled Inconel 625 sheet metal was sectioned into tensile specimens, plastically strained, and then heat treated. Specimens were pulled to a targeted strain, unloaded, and then subjected to one of two heat treatments with the goal of restoring the full ductility and total plastic strain capabil...

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Autores principales:	Gabriel Demeneghi, Skylar Elliott, Ellen Rabenberg, Ayman Girgis, William Tilson, Annette Gray, Gregory Jerman
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	Inconel thin wall tensile microhardness microstructure heat treatment Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/ab821f1d5d994aafb2c242d958317e84
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spelling	oai:doaj.org-article:ab821f1d5d994aafb2c242d958317e842021-11-25T18:21:38ZHeat Treatment Effects on Pristine and Cold-Worked Thin-Walled Inconel 62510.3390/met111117462075-4701https://doaj.org/article/ab821f1d5d994aafb2c242d958317e842021-10-01T00:00:00Zhttps://www.mdpi.com/2075-4701/11/11/1746https://doaj.org/toc/2075-4701Thin-walled Inconel 625 sheet metal was sectioned into tensile specimens, plastically strained, and then heat treated. Specimens were pulled to a targeted strain, unloaded, and then subjected to one of two heat treatments with the goal of restoring the full ductility and total plastic strain capability of the material. Post-heat treatment tensile testing was performed at room temperature to evaluate the heat treatment efficacy and then followed by hardness and microstructural analysis. The results showed the amount of material recovery was affected by the initial amount of plastic strain imparted to the tensile specimen before heat treatment. Although recrystallization was not observed, grains did elongate in the load direction, and the Kernel average misorientation (KAM) increased with heat treatment. Furthermore, specimens prestrained to 40% and heat treated at 980 °C successfully recovered 88% of pre-heat treatment strain capability prior to fracturing.Gabriel DemeneghiSkylar ElliottEllen RabenbergAyman GirgisWilliam TilsonAnnette GrayGregory JermanMDPI AGarticleInconelthin walltensilemicrohardnessmicrostructureheat treatmentMining engineering. MetallurgyTN1-997ENMetals, Vol 11, Iss 1746, p 1746 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Inconel thin wall tensile microhardness microstructure heat treatment Mining engineering. Metallurgy TN1-997
spellingShingle	Inconel thin wall tensile microhardness microstructure heat treatment Mining engineering. Metallurgy TN1-997 Gabriel Demeneghi Skylar Elliott Ellen Rabenberg Ayman Girgis William Tilson Annette Gray Gregory Jerman Heat Treatment Effects on Pristine and Cold-Worked Thin-Walled Inconel 625
description	Thin-walled Inconel 625 sheet metal was sectioned into tensile specimens, plastically strained, and then heat treated. Specimens were pulled to a targeted strain, unloaded, and then subjected to one of two heat treatments with the goal of restoring the full ductility and total plastic strain capability of the material. Post-heat treatment tensile testing was performed at room temperature to evaluate the heat treatment efficacy and then followed by hardness and microstructural analysis. The results showed the amount of material recovery was affected by the initial amount of plastic strain imparted to the tensile specimen before heat treatment. Although recrystallization was not observed, grains did elongate in the load direction, and the Kernel average misorientation (KAM) increased with heat treatment. Furthermore, specimens prestrained to 40% and heat treated at 980 °C successfully recovered 88% of pre-heat treatment strain capability prior to fracturing.
format	article
author	Gabriel Demeneghi Skylar Elliott Ellen Rabenberg Ayman Girgis William Tilson Annette Gray Gregory Jerman
author_facet	Gabriel Demeneghi Skylar Elliott Ellen Rabenberg Ayman Girgis William Tilson Annette Gray Gregory Jerman
author_sort	Gabriel Demeneghi
title	Heat Treatment Effects on Pristine and Cold-Worked Thin-Walled Inconel 625
title_short	Heat Treatment Effects on Pristine and Cold-Worked Thin-Walled Inconel 625
title_full	Heat Treatment Effects on Pristine and Cold-Worked Thin-Walled Inconel 625
title_fullStr	Heat Treatment Effects on Pristine and Cold-Worked Thin-Walled Inconel 625
title_full_unstemmed	Heat Treatment Effects on Pristine and Cold-Worked Thin-Walled Inconel 625
title_sort	heat treatment effects on pristine and cold-worked thin-walled inconel 625
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/ab821f1d5d994aafb2c242d958317e84
work_keys_str_mv	AT gabrieldemeneghi heattreatmenteffectsonpristineandcoldworkedthinwalledinconel625 AT skylarelliott heattreatmenteffectsonpristineandcoldworkedthinwalledinconel625 AT ellenrabenberg heattreatmenteffectsonpristineandcoldworkedthinwalledinconel625 AT aymangirgis heattreatmenteffectsonpristineandcoldworkedthinwalledinconel625 AT williamtilson heattreatmenteffectsonpristineandcoldworkedthinwalledinconel625 AT annettegray heattreatmenteffectsonpristineandcoldworkedthinwalledinconel625 AT gregoryjerman heattreatmenteffectsonpristineandcoldworkedthinwalledinconel625
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Heat Treatment Effects on Pristine and Cold-Worked Thin-Walled Inconel 625

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