Influence of super-gravity coefficient on spatial distribution of solidification structure in Al-14.5Si alloys

We reported the influence of super-gravity field on spatial distribution of eutectic structure in Al-14.5Si alloys. The Al-14.5Si alloys were solidified under normal gravity (1 g) and various super-gravity fields (1000 g, 2000 g, 3000 g, 4000 g and 5000 g, g = 9.8 m/s2), respectively. The results in...

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Autores principales:	Zhanghua Gan, Zhikui Hu, Yin Su, Yi Liu, Qian Ni, Yingyu Li, Chuandong Wu, Jing Liu
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Microstructure Solidification Metals and alloys Super-gravity field Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/9f3ed3e089474372bc5d087cced916bd
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spelling	oai:doaj.org-article:9f3ed3e089474372bc5d087cced916bd2021-11-10T04:27:47ZInfluence of super-gravity coefficient on spatial distribution of solidification structure in Al-14.5Si alloys2238-785410.1016/j.jmrt.2021.10.106https://doaj.org/article/9f3ed3e089474372bc5d087cced916bd2021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2238785421012412https://doaj.org/toc/2238-7854We reported the influence of super-gravity field on spatial distribution of eutectic structure in Al-14.5Si alloys. The Al-14.5Si alloys were solidified under normal gravity (1 g) and various super-gravity fields (1000 g, 2000 g, 3000 g, 4000 g and 5000 g, g = 9.8 m/s2), respectively. The results indicated that the homogeneous distribution of eutectic Si could be observed in the core region of the samples solidified under super-gravity field. As the coefficient of gravity increased, the eutectic Si was significantly refined, resulting in the significant enhancement of the mechanical properties. Noted that several iron-rich phases could be observed in the core region under higher super-gravity coefficient. With the formation of the iron-rich phase, the elongation of the alloy decreased slightly. The refinement mechanism of the eutectic structure and the formation mechanism of the iron-rich phase under super-gravity field were discussed in detail.Zhanghua GanZhikui HuYin SuYi LiuQian NiYingyu LiChuandong WuJing LiuElsevierarticleMicrostructureSolidificationMetals and alloysSuper-gravity fieldMining engineering. MetallurgyTN1-997ENJournal of Materials Research and Technology, Vol 15, Iss , Pp 4955-4969 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Microstructure Solidification Metals and alloys Super-gravity field Mining engineering. Metallurgy TN1-997
spellingShingle	Microstructure Solidification Metals and alloys Super-gravity field Mining engineering. Metallurgy TN1-997 Zhanghua Gan Zhikui Hu Yin Su Yi Liu Qian Ni Yingyu Li Chuandong Wu Jing Liu Influence of super-gravity coefficient on spatial distribution of solidification structure in Al-14.5Si alloys
description	We reported the influence of super-gravity field on spatial distribution of eutectic structure in Al-14.5Si alloys. The Al-14.5Si alloys were solidified under normal gravity (1 g) and various super-gravity fields (1000 g, 2000 g, 3000 g, 4000 g and 5000 g, g = 9.8 m/s2), respectively. The results indicated that the homogeneous distribution of eutectic Si could be observed in the core region of the samples solidified under super-gravity field. As the coefficient of gravity increased, the eutectic Si was significantly refined, resulting in the significant enhancement of the mechanical properties. Noted that several iron-rich phases could be observed in the core region under higher super-gravity coefficient. With the formation of the iron-rich phase, the elongation of the alloy decreased slightly. The refinement mechanism of the eutectic structure and the formation mechanism of the iron-rich phase under super-gravity field were discussed in detail.
format	article
author	Zhanghua Gan Zhikui Hu Yin Su Yi Liu Qian Ni Yingyu Li Chuandong Wu Jing Liu
author_facet	Zhanghua Gan Zhikui Hu Yin Su Yi Liu Qian Ni Yingyu Li Chuandong Wu Jing Liu
author_sort	Zhanghua Gan
title	Influence of super-gravity coefficient on spatial distribution of solidification structure in Al-14.5Si alloys
title_short	Influence of super-gravity coefficient on spatial distribution of solidification structure in Al-14.5Si alloys
title_full	Influence of super-gravity coefficient on spatial distribution of solidification structure in Al-14.5Si alloys
title_fullStr	Influence of super-gravity coefficient on spatial distribution of solidification structure in Al-14.5Si alloys
title_full_unstemmed	Influence of super-gravity coefficient on spatial distribution of solidification structure in Al-14.5Si alloys
title_sort	influence of super-gravity coefficient on spatial distribution of solidification structure in al-14.5si alloys
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/9f3ed3e089474372bc5d087cced916bd
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Influence of super-gravity coefficient on spatial distribution of solidification structure in Al-14.5Si alloys

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