Understanding dual-frequency ultrasonic melt treatment on grain refinement and mechanical properties improvement of AZ80 magnesium alloy: experiment and simulation

This work investigated the acoustic pressure distribution and relevant cavitation area of the dual-frequency ultrasonic field (DUF) in magnesium melt using numerical simulation. Associated experiments were also implemented to understand the grain refinement of DUF. DUF weakens the acoustic attenuati...

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Autores principales:	Xingrui Chen, Yonghui Jia, Qichi Le, Shaochen Ning, Zhaoyang Yin, Chenglu Hu, Fuxiao Yu
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Ultrasonic melt treatment Magnesium alloy Numerical Simulation Grain refinement Cavitation Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/a41ed9b043934452ab9da6d7854b86b4
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spelling	oai:doaj.org-article:a41ed9b043934452ab9da6d7854b86b42021-11-04T04:31:59ZUnderstanding dual-frequency ultrasonic melt treatment on grain refinement and mechanical properties improvement of AZ80 magnesium alloy: experiment and simulation2238-785410.1016/j.jmrt.2021.10.083https://doaj.org/article/a41ed9b043934452ab9da6d7854b86b42021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2238785421012199https://doaj.org/toc/2238-7854This work investigated the acoustic pressure distribution and relevant cavitation area of the dual-frequency ultrasonic field (DUF) in magnesium melt using numerical simulation. Associated experiments were also implemented to understand the grain refinement of DUF. DUF weakens the acoustic attenuation and then enlarges the potential cavitation area than the single-frequency ultrasonic field (SUF). Such improvement promotes its grain refinement efficiency, which is 17.7% and 24% higher than 15 kHz and 20 kHz SUF, respectively. Both yield strength and ultimate tensile strength are improved by DUF melt treatment. The improvement of mechanical properties for ultrasonic melt treated alloy is attributed to the grain refinement and the texture evolution. To optimize the grain refinement of DUF melt treatment, choosing the appropriate input acoustic pressure ratio is important. Under the premise of relevant symmetrical distribution of the cavitation area, increasing the acoustic pressure input for 15 kHz ultrasonic is beneficial to improve the grain refinement efficiency.Xingrui ChenYonghui JiaQichi LeShaochen NingZhaoyang YinChenglu HuFuxiao YuElsevierarticleUltrasonic melt treatmentMagnesium alloyNumerical SimulationGrain refinementCavitationMining engineering. MetallurgyTN1-997ENJournal of Materials Research and Technology, Vol 15, Iss , Pp 4758-4767 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ultrasonic melt treatment Magnesium alloy Numerical Simulation Grain refinement Cavitation Mining engineering. Metallurgy TN1-997
spellingShingle	Ultrasonic melt treatment Magnesium alloy Numerical Simulation Grain refinement Cavitation Mining engineering. Metallurgy TN1-997 Xingrui Chen Yonghui Jia Qichi Le Shaochen Ning Zhaoyang Yin Chenglu Hu Fuxiao Yu Understanding dual-frequency ultrasonic melt treatment on grain refinement and mechanical properties improvement of AZ80 magnesium alloy: experiment and simulation
description	This work investigated the acoustic pressure distribution and relevant cavitation area of the dual-frequency ultrasonic field (DUF) in magnesium melt using numerical simulation. Associated experiments were also implemented to understand the grain refinement of DUF. DUF weakens the acoustic attenuation and then enlarges the potential cavitation area than the single-frequency ultrasonic field (SUF). Such improvement promotes its grain refinement efficiency, which is 17.7% and 24% higher than 15 kHz and 20 kHz SUF, respectively. Both yield strength and ultimate tensile strength are improved by DUF melt treatment. The improvement of mechanical properties for ultrasonic melt treated alloy is attributed to the grain refinement and the texture evolution. To optimize the grain refinement of DUF melt treatment, choosing the appropriate input acoustic pressure ratio is important. Under the premise of relevant symmetrical distribution of the cavitation area, increasing the acoustic pressure input for 15 kHz ultrasonic is beneficial to improve the grain refinement efficiency.
format	article
author	Xingrui Chen Yonghui Jia Qichi Le Shaochen Ning Zhaoyang Yin Chenglu Hu Fuxiao Yu
author_facet	Xingrui Chen Yonghui Jia Qichi Le Shaochen Ning Zhaoyang Yin Chenglu Hu Fuxiao Yu
author_sort	Xingrui Chen
title	Understanding dual-frequency ultrasonic melt treatment on grain refinement and mechanical properties improvement of AZ80 magnesium alloy: experiment and simulation
title_short	Understanding dual-frequency ultrasonic melt treatment on grain refinement and mechanical properties improvement of AZ80 magnesium alloy: experiment and simulation
title_full	Understanding dual-frequency ultrasonic melt treatment on grain refinement and mechanical properties improvement of AZ80 magnesium alloy: experiment and simulation
title_fullStr	Understanding dual-frequency ultrasonic melt treatment on grain refinement and mechanical properties improvement of AZ80 magnesium alloy: experiment and simulation
title_full_unstemmed	Understanding dual-frequency ultrasonic melt treatment on grain refinement and mechanical properties improvement of AZ80 magnesium alloy: experiment and simulation
title_sort	understanding dual-frequency ultrasonic melt treatment on grain refinement and mechanical properties improvement of az80 magnesium alloy: experiment and simulation
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/a41ed9b043934452ab9da6d7854b86b4
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Understanding dual-frequency ultrasonic melt treatment on grain refinement and mechanical properties improvement of AZ80 magnesium alloy: experiment and simulation

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