A Joining Process between Beryllium and Reduced-Activation Ferritic–Martensitic Steel by Plasma Sintering

To investigate the growth kinetics of the reaction layer and mechanical strength of joined materials, we joined beryllium and reduced-activation ferritic–martensitic steel (F82H) by plasma sintering under various conditions and characterized the joined region. Scanning electron microscopy revealed t...

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Autores principales:	Jae-Hwan Kim, Taehyun Hwang, Masaru Nakamichi
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	beryllium F82H plasma sintering intermetallic compound bonding strength Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/665f61c042b94824b4e23f82b8950ca9
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spelling	oai:doaj.org-article:665f61c042b94824b4e23f82b8950ca92021-11-11T17:55:07ZA Joining Process between Beryllium and Reduced-Activation Ferritic–Martensitic Steel by Plasma Sintering10.3390/ma142163481996-1944https://doaj.org/article/665f61c042b94824b4e23f82b8950ca92021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6348https://doaj.org/toc/1996-1944To investigate the growth kinetics of the reaction layer and mechanical strength of joined materials, we joined beryllium and reduced-activation ferritic–martensitic steel (F82H) by plasma sintering under various conditions and characterized the joined region. Scanning electron microscopy revealed that the thickness of the reaction layer increased with an increase in the joining time and temperature. Line analyses and elemental mapping using an electron microprobe analyser showed that the reaction layer consists of Be–Fe intermetallic compounds, including Be<sub>12</sub>Fe, Be<sub>5</sub>Fe, and Be<sub>2</sub>Fe, with small amounts of chromium and tungsten. Owing to the time and temperature dependence of the reaction-layer thickness, the layer growth of Be–Fe intermetallic compounds obeys the parabolic law, and the activation energy for the reaction-layer growth was 116.2 kJ/mol. The bonding strengths of the joined materials varied inversely with the thickness of the reaction layer.Jae-Hwan KimTaehyun HwangMasaru NakamichiMDPI AGarticleberylliumF82Hplasma sinteringintermetallic compoundbonding strengthTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6348, p 6348 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	beryllium F82H plasma sintering intermetallic compound bonding strength Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	beryllium F82H plasma sintering intermetallic compound bonding strength Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Jae-Hwan Kim Taehyun Hwang Masaru Nakamichi A Joining Process between Beryllium and Reduced-Activation Ferritic–Martensitic Steel by Plasma Sintering
description	To investigate the growth kinetics of the reaction layer and mechanical strength of joined materials, we joined beryllium and reduced-activation ferritic–martensitic steel (F82H) by plasma sintering under various conditions and characterized the joined region. Scanning electron microscopy revealed that the thickness of the reaction layer increased with an increase in the joining time and temperature. Line analyses and elemental mapping using an electron microprobe analyser showed that the reaction layer consists of Be–Fe intermetallic compounds, including Be<sub>12</sub>Fe, Be<sub>5</sub>Fe, and Be<sub>2</sub>Fe, with small amounts of chromium and tungsten. Owing to the time and temperature dependence of the reaction-layer thickness, the layer growth of Be–Fe intermetallic compounds obeys the parabolic law, and the activation energy for the reaction-layer growth was 116.2 kJ/mol. The bonding strengths of the joined materials varied inversely with the thickness of the reaction layer.
format	article
author	Jae-Hwan Kim Taehyun Hwang Masaru Nakamichi
author_facet	Jae-Hwan Kim Taehyun Hwang Masaru Nakamichi
author_sort	Jae-Hwan Kim
title	A Joining Process between Beryllium and Reduced-Activation Ferritic–Martensitic Steel by Plasma Sintering
title_short	A Joining Process between Beryllium and Reduced-Activation Ferritic–Martensitic Steel by Plasma Sintering
title_full	A Joining Process between Beryllium and Reduced-Activation Ferritic–Martensitic Steel by Plasma Sintering
title_fullStr	A Joining Process between Beryllium and Reduced-Activation Ferritic–Martensitic Steel by Plasma Sintering
title_full_unstemmed	A Joining Process between Beryllium and Reduced-Activation Ferritic–Martensitic Steel by Plasma Sintering
title_sort	joining process between beryllium and reduced-activation ferritic–martensitic steel by plasma sintering
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/665f61c042b94824b4e23f82b8950ca9
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A Joining Process between Beryllium and Reduced-Activation Ferritic–Martensitic Steel by Plasma Sintering

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