The Strength of Inconel 625, Manufactured by the Method of Direct Laser Deposition under Sub-Microsecond Load Duration

This paper presents the results of measurements of the spall strength and elastic-plastic proper-ties, under dynamic and static loads, of the high-strength heat-resistant nickel-chromium alloy Inconel 625, obtained by the direct laser deposition method. The structural parameters of the obtained samp...

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Autores principales:	Vladimir Promakhov, Nikita Schulz, Alexander Vorozhtsov, Andrey Savinykh, Gennady Garkushin, Sergey Razorenov, Olga Klimova-Korsmik
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	alloy Inconel 625 direct laser deposition shock wave spall fracture Hugoniot elastic limit Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/a41d1439cf124265a6132c992981f540
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spelling	oai:doaj.org-article:a41d1439cf124265a6132c992981f5402021-11-25T18:22:01ZThe Strength of Inconel 625, Manufactured by the Method of Direct Laser Deposition under Sub-Microsecond Load Duration10.3390/met111117962075-4701https://doaj.org/article/a41d1439cf124265a6132c992981f5402021-11-01T00:00:00Zhttps://www.mdpi.com/2075-4701/11/11/1796https://doaj.org/toc/2075-4701This paper presents the results of measurements of the spall strength and elastic-plastic proper-ties, under dynamic and static loads, of the high-strength heat-resistant nickel-chromium alloy Inconel 625, obtained by the direct laser deposition method. The structural parameters of the obtained samples and the mechanical properties during static tests were studied. According to our information, anisotropy in the structural parameters operates primarily at the level of plastic deformation of alloys. Shock compression of the additive alloy Inconel 625 samples in the range of 6–18 GPa was carried out using a light-gas gun, both along and perpendicular to the direction of the deposition. The strength characteristics were determined from the analysis of the shock wave profiles, which were recorded using the VISAR laser velocimeter during the loading of samples. It was found that the value of the spall strength of additive samples does not depend on the direction of deposition, and the Hugoniot elastic limit of samples loaded perpendicular to the deposition direction is about ~10% higher. With an increase in the maximum compression stress, the material’s spall strength increases slightly, but for both types of samples, a slight decrease in the Hugoniot elastic limit was observed as the compression stresses increase. On the basis of the measured wave profiles, shock Hugoniots of the samples of the alloy Inconel 625, loaded both along and perpendicular to the direction of deposition, are constructed in this pressure range.Vladimir PromakhovNikita SchulzAlexander VorozhtsovAndrey SavinykhGennady GarkushinSergey RazorenovOlga Klimova-KorsmikMDPI AGarticlealloy Inconel 625direct laser depositionshock wavespall fractureHugoniot elastic limitMining engineering. MetallurgyTN1-997ENMetals, Vol 11, Iss 1796, p 1796 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	alloy Inconel 625 direct laser deposition shock wave spall fracture Hugoniot elastic limit Mining engineering. Metallurgy TN1-997
spellingShingle	alloy Inconel 625 direct laser deposition shock wave spall fracture Hugoniot elastic limit Mining engineering. Metallurgy TN1-997 Vladimir Promakhov Nikita Schulz Alexander Vorozhtsov Andrey Savinykh Gennady Garkushin Sergey Razorenov Olga Klimova-Korsmik The Strength of Inconel 625, Manufactured by the Method of Direct Laser Deposition under Sub-Microsecond Load Duration
description	This paper presents the results of measurements of the spall strength and elastic-plastic proper-ties, under dynamic and static loads, of the high-strength heat-resistant nickel-chromium alloy Inconel 625, obtained by the direct laser deposition method. The structural parameters of the obtained samples and the mechanical properties during static tests were studied. According to our information, anisotropy in the structural parameters operates primarily at the level of plastic deformation of alloys. Shock compression of the additive alloy Inconel 625 samples in the range of 6–18 GPa was carried out using a light-gas gun, both along and perpendicular to the direction of the deposition. The strength characteristics were determined from the analysis of the shock wave profiles, which were recorded using the VISAR laser velocimeter during the loading of samples. It was found that the value of the spall strength of additive samples does not depend on the direction of deposition, and the Hugoniot elastic limit of samples loaded perpendicular to the deposition direction is about ~10% higher. With an increase in the maximum compression stress, the material’s spall strength increases slightly, but for both types of samples, a slight decrease in the Hugoniot elastic limit was observed as the compression stresses increase. On the basis of the measured wave profiles, shock Hugoniots of the samples of the alloy Inconel 625, loaded both along and perpendicular to the direction of deposition, are constructed in this pressure range.
format	article
author	Vladimir Promakhov Nikita Schulz Alexander Vorozhtsov Andrey Savinykh Gennady Garkushin Sergey Razorenov Olga Klimova-Korsmik
author_facet	Vladimir Promakhov Nikita Schulz Alexander Vorozhtsov Andrey Savinykh Gennady Garkushin Sergey Razorenov Olga Klimova-Korsmik
author_sort	Vladimir Promakhov
title	The Strength of Inconel 625, Manufactured by the Method of Direct Laser Deposition under Sub-Microsecond Load Duration
title_short	The Strength of Inconel 625, Manufactured by the Method of Direct Laser Deposition under Sub-Microsecond Load Duration
title_full	The Strength of Inconel 625, Manufactured by the Method of Direct Laser Deposition under Sub-Microsecond Load Duration
title_fullStr	The Strength of Inconel 625, Manufactured by the Method of Direct Laser Deposition under Sub-Microsecond Load Duration
title_full_unstemmed	The Strength of Inconel 625, Manufactured by the Method of Direct Laser Deposition under Sub-Microsecond Load Duration
title_sort	strength of inconel 625, manufactured by the method of direct laser deposition under sub-microsecond load duration
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a41d1439cf124265a6132c992981f540
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The Strength of Inconel 625, Manufactured by the Method of Direct Laser Deposition under Sub-Microsecond Load Duration

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