Effect of secondary phase on the electromagnetic shielding effectiveness of magnesium alloy

Abstract The microstructure, electrical conductivity, and electromagnetic interference (EMI) shielding effectiveness (SE) of Mg-xZn and Mg-xSn (x = 3,5) alloys prepared under different rolling and heat treatment conditions were systematically investigated to understand the effect of secondary-phase...

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Autores principales:	Shangyu Gao, Xianhua Chen, Fusheng Pan, Kai Song, Chaoyue Zhao, Lizi Liu, Xiaofang Liu, Di Zhao
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/5dcbf075d6a64c9cb88f3cd77705ef35
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spelling	oai:doaj.org-article:5dcbf075d6a64c9cb88f3cd77705ef352021-12-02T15:09:05ZEffect of secondary phase on the electromagnetic shielding effectiveness of magnesium alloy10.1038/s41598-018-19933-72045-2322https://doaj.org/article/5dcbf075d6a64c9cb88f3cd77705ef352018-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-19933-7https://doaj.org/toc/2045-2322Abstract The microstructure, electrical conductivity, and electromagnetic interference (EMI) shielding effectiveness (SE) of Mg-xZn and Mg-xSn (x = 3,5) alloys prepared under different rolling and heat treatment conditions were systematically investigated to understand the effect of secondary-phase orientation on the electromagnetic-shielding property of magnesium alloys. Alloys were rolled to form basal textures and then subjected to different durations of solid-solution treatment and aging to induce the precipitation of secondary-phase particles along a specific direction. Experimental results indicated that in Mg-Zn and Mg-Sn alloys, secondary phases precipitated along directions perpendicular and parallel to the basal plane, respectively. When the direction of the incident electromagnetic wave is perpendicular to the basal plane, precipitates in Mg-Sn alloy parallel to the basal plane improve SE. The increment in SE is mainly attributed to the improvement in the reflection and multiple reflection losses of incident electromagnetic waves, which are caused by increasing the amounts of precipitates with specific orientations. Mg-5Sn alloy subjected to 16 h of solution treatment at 480 °C and 60 h of artificial aging at 170 °C for 60 h exhibited the maximum value of 107–89 dB and maximum increment in SE of 13 dB at 1200 MHz.Shangyu GaoXianhua ChenFusheng PanKai SongChaoyue ZhaoLizi LiuXiaofang LiuDi ZhaoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-14 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Shangyu Gao Xianhua Chen Fusheng Pan Kai Song Chaoyue Zhao Lizi Liu Xiaofang Liu Di Zhao Effect of secondary phase on the electromagnetic shielding effectiveness of magnesium alloy
description	Abstract The microstructure, electrical conductivity, and electromagnetic interference (EMI) shielding effectiveness (SE) of Mg-xZn and Mg-xSn (x = 3,5) alloys prepared under different rolling and heat treatment conditions were systematically investigated to understand the effect of secondary-phase orientation on the electromagnetic-shielding property of magnesium alloys. Alloys were rolled to form basal textures and then subjected to different durations of solid-solution treatment and aging to induce the precipitation of secondary-phase particles along a specific direction. Experimental results indicated that in Mg-Zn and Mg-Sn alloys, secondary phases precipitated along directions perpendicular and parallel to the basal plane, respectively. When the direction of the incident electromagnetic wave is perpendicular to the basal plane, precipitates in Mg-Sn alloy parallel to the basal plane improve SE. The increment in SE is mainly attributed to the improvement in the reflection and multiple reflection losses of incident electromagnetic waves, which are caused by increasing the amounts of precipitates with specific orientations. Mg-5Sn alloy subjected to 16 h of solution treatment at 480 °C and 60 h of artificial aging at 170 °C for 60 h exhibited the maximum value of 107–89 dB and maximum increment in SE of 13 dB at 1200 MHz.
format	article
author	Shangyu Gao Xianhua Chen Fusheng Pan Kai Song Chaoyue Zhao Lizi Liu Xiaofang Liu Di Zhao
author_facet	Shangyu Gao Xianhua Chen Fusheng Pan Kai Song Chaoyue Zhao Lizi Liu Xiaofang Liu Di Zhao
author_sort	Shangyu Gao
title	Effect of secondary phase on the electromagnetic shielding effectiveness of magnesium alloy
title_short	Effect of secondary phase on the electromagnetic shielding effectiveness of magnesium alloy
title_full	Effect of secondary phase on the electromagnetic shielding effectiveness of magnesium alloy
title_fullStr	Effect of secondary phase on the electromagnetic shielding effectiveness of magnesium alloy
title_full_unstemmed	Effect of secondary phase on the electromagnetic shielding effectiveness of magnesium alloy
title_sort	effect of secondary phase on the electromagnetic shielding effectiveness of magnesium alloy
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/5dcbf075d6a64c9cb88f3cd77705ef35
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Effect of secondary phase on the electromagnetic shielding effectiveness of magnesium alloy

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