Laser-Sintered Mg-Zn Supersaturated Solid Solution with High Corrosion Resistance

Solid solutions of Zn as an alloy element in Mg matrixes are expected to show improved corrosion resistance due to the electrode potential being positively shifted. In this study, a supersaturated solid solution of Mg-Zn alloy was achieved using mechanical alloying (MA) combined with laser sintering...

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Autores principales:	Youwen Yang, Wei Wang, Mingli Yang, Yingxin Yang, Dongsheng Wang, Zhigang Liu, Cijun Shuai
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	Mg-Zn solid solution laser sintering mechanical alloying corrosion resistance Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/18e0905e8b4e4325b9fd87fc8a1721a7
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spelling	oai:doaj.org-article:18e0905e8b4e4325b9fd87fc8a1721a72021-11-25T18:23:27ZLaser-Sintered Mg-Zn Supersaturated Solid Solution with High Corrosion Resistance10.3390/mi121113682072-666Xhttps://doaj.org/article/18e0905e8b4e4325b9fd87fc8a1721a72021-11-01T00:00:00Zhttps://www.mdpi.com/2072-666X/12/11/1368https://doaj.org/toc/2072-666XSolid solutions of Zn as an alloy element in Mg matrixes are expected to show improved corrosion resistance due to the electrode potential being positively shifted. In this study, a supersaturated solid solution of Mg-Zn alloy was achieved using mechanical alloying (MA) combined with laser sintering. In detail, supersaturated solid solution Mg-Zn powders were firstly prepared using MA, as it was able to break through the limit of phase diagram under the action of forced mechanical impact. Then, the alloyed Mg-Zn powders were shaped into parts using laser sintering, during which the limited liquid phase and short cooling time maintained the supersaturated solid solution. The Mg-Zn alloy derived from the as-milled powders for 30 h presented enhanced corrosion potential and consequently a reduced corrosion rate of 0.54 mm/year. Cell toxicity tests confirmed that the Mg-Zn solid solution possessed good cytocompatibility for potential clinical applications. This study offers a new strategy for fabricating Mg-Zn solid solutions using laser sintering with MA.Youwen YangWei WangMingli YangYingxin YangDongsheng WangZhigang LiuCijun ShuaiMDPI AGarticleMg-Zn solid solutionlaser sinteringmechanical alloyingcorrosion resistanceMechanical engineering and machineryTJ1-1570ENMicromachines, Vol 12, Iss 1368, p 1368 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Mg-Zn solid solution laser sintering mechanical alloying corrosion resistance Mechanical engineering and machinery TJ1-1570
spellingShingle	Mg-Zn solid solution laser sintering mechanical alloying corrosion resistance Mechanical engineering and machinery TJ1-1570 Youwen Yang Wei Wang Mingli Yang Yingxin Yang Dongsheng Wang Zhigang Liu Cijun Shuai Laser-Sintered Mg-Zn Supersaturated Solid Solution with High Corrosion Resistance
description	Solid solutions of Zn as an alloy element in Mg matrixes are expected to show improved corrosion resistance due to the electrode potential being positively shifted. In this study, a supersaturated solid solution of Mg-Zn alloy was achieved using mechanical alloying (MA) combined with laser sintering. In detail, supersaturated solid solution Mg-Zn powders were firstly prepared using MA, as it was able to break through the limit of phase diagram under the action of forced mechanical impact. Then, the alloyed Mg-Zn powders were shaped into parts using laser sintering, during which the limited liquid phase and short cooling time maintained the supersaturated solid solution. The Mg-Zn alloy derived from the as-milled powders for 30 h presented enhanced corrosion potential and consequently a reduced corrosion rate of 0.54 mm/year. Cell toxicity tests confirmed that the Mg-Zn solid solution possessed good cytocompatibility for potential clinical applications. This study offers a new strategy for fabricating Mg-Zn solid solutions using laser sintering with MA.
format	article
author	Youwen Yang Wei Wang Mingli Yang Yingxin Yang Dongsheng Wang Zhigang Liu Cijun Shuai
author_facet	Youwen Yang Wei Wang Mingli Yang Yingxin Yang Dongsheng Wang Zhigang Liu Cijun Shuai
author_sort	Youwen Yang
title	Laser-Sintered Mg-Zn Supersaturated Solid Solution with High Corrosion Resistance
title_short	Laser-Sintered Mg-Zn Supersaturated Solid Solution with High Corrosion Resistance
title_full	Laser-Sintered Mg-Zn Supersaturated Solid Solution with High Corrosion Resistance
title_fullStr	Laser-Sintered Mg-Zn Supersaturated Solid Solution with High Corrosion Resistance
title_full_unstemmed	Laser-Sintered Mg-Zn Supersaturated Solid Solution with High Corrosion Resistance
title_sort	laser-sintered mg-zn supersaturated solid solution with high corrosion resistance
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/18e0905e8b4e4325b9fd87fc8a1721a7
work_keys_str_mv	AT youwenyang lasersinteredmgznsupersaturatedsolidsolutionwithhighcorrosionresistance AT weiwang lasersinteredmgznsupersaturatedsolidsolutionwithhighcorrosionresistance AT mingliyang lasersinteredmgznsupersaturatedsolidsolutionwithhighcorrosionresistance AT yingxinyang lasersinteredmgznsupersaturatedsolidsolutionwithhighcorrosionresistance AT dongshengwang lasersinteredmgznsupersaturatedsolidsolutionwithhighcorrosionresistance AT zhigangliu lasersinteredmgznsupersaturatedsolidsolutionwithhighcorrosionresistance AT cijunshuai lasersinteredmgznsupersaturatedsolidsolutionwithhighcorrosionresistance
_version_	1718411181843021824

Laser-Sintered Mg-Zn Supersaturated Solid Solution with High Corrosion Resistance

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