Effect of the Partial Substitution of Zn with Co, Ni, and Co-Ni on Microstructures and Mechanical Properties of Long-Period Stacking Ordered Dominant Mg-Y-Zn Alloys

The microstructures of Mg96Y2Zn2, Mg96Y2Zn1Co1, Mg96Y2Zn1Ni1, and Mg96Y2Zn1Co0.5Ni0.5 (at.%) alloys were investigated by XRD, SEM/EDS, and TEM. The α-Mg matrix, the long-period stacking ordered (LPSO) phase, and the bright compounds were observed in the as-cast alloys. The ability of Co to form LPSO...

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Autores principales:	Heng Xue, Jinbei Lyu, Fengxue Wang, Hongxin Liao, Jonghyun Kim, Fusheng Pan
Formato:	article
Lenguaje:	EN
Publicado:	Hindawi Limited 2021
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/334dcad7b7394729ae6e543e46740fbc
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spelling	oai:doaj.org-article:334dcad7b7394729ae6e543e46740fbc2021-11-08T02:36:37ZEffect of the Partial Substitution of Zn with Co, Ni, and Co-Ni on Microstructures and Mechanical Properties of Long-Period Stacking Ordered Dominant Mg-Y-Zn Alloys1687-844210.1155/2021/8922503https://doaj.org/article/334dcad7b7394729ae6e543e46740fbc2021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/8922503https://doaj.org/toc/1687-8442The microstructures of Mg96Y2Zn2, Mg96Y2Zn1Co1, Mg96Y2Zn1Ni1, and Mg96Y2Zn1Co0.5Ni0.5 (at.%) alloys were investigated by XRD, SEM/EDS, and TEM. The α-Mg matrix, the long-period stacking ordered (LPSO) phase, and the bright compounds were observed in the as-cast alloys. The ability of Co to form LPSO phase with Mg and Y is weaker than that of Zn, but it can produce some new intermetallic compounds. The effect of Ni on phase content of alloys was opposite to that of Co. After replacing partial Zn with Co and Ni, the increase in the LPSO phase is more obvious than that of Co or Ni alone to replace partial Zn. The ability to form LPSO phase with Mg and Y atoms in Mg-Y-TM alloys can be ranked as follows: Co-Ni > Ni > Zn > Co. From the point-of-view of mechanical performance, the substitution of Co-Ni for partial replacement of Zn exhibited the best yield strength; the tensile yield strength, ultimate tensile strength, compressive yield stress, and ultimate compressive stress of which were 345 MPa, 453 MPa, 335 MPa, and 470 MPa, respectively. However, the ductility did not improve significantly.Heng XueJinbei LyuFengxue WangHongxin LiaoJonghyun KimFusheng PanHindawi LimitedarticleMaterials of engineering and construction. Mechanics of materialsTA401-492ENAdvances in Materials Science and Engineering, Vol 2021 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Heng Xue Jinbei Lyu Fengxue Wang Hongxin Liao Jonghyun Kim Fusheng Pan Effect of the Partial Substitution of Zn with Co, Ni, and Co-Ni on Microstructures and Mechanical Properties of Long-Period Stacking Ordered Dominant Mg-Y-Zn Alloys
description	The microstructures of Mg96Y2Zn2, Mg96Y2Zn1Co1, Mg96Y2Zn1Ni1, and Mg96Y2Zn1Co0.5Ni0.5 (at.%) alloys were investigated by XRD, SEM/EDS, and TEM. The α-Mg matrix, the long-period stacking ordered (LPSO) phase, and the bright compounds were observed in the as-cast alloys. The ability of Co to form LPSO phase with Mg and Y is weaker than that of Zn, but it can produce some new intermetallic compounds. The effect of Ni on phase content of alloys was opposite to that of Co. After replacing partial Zn with Co and Ni, the increase in the LPSO phase is more obvious than that of Co or Ni alone to replace partial Zn. The ability to form LPSO phase with Mg and Y atoms in Mg-Y-TM alloys can be ranked as follows: Co-Ni > Ni > Zn > Co. From the point-of-view of mechanical performance, the substitution of Co-Ni for partial replacement of Zn exhibited the best yield strength; the tensile yield strength, ultimate tensile strength, compressive yield stress, and ultimate compressive stress of which were 345 MPa, 453 MPa, 335 MPa, and 470 MPa, respectively. However, the ductility did not improve significantly.
format	article
author	Heng Xue Jinbei Lyu Fengxue Wang Hongxin Liao Jonghyun Kim Fusheng Pan
author_facet	Heng Xue Jinbei Lyu Fengxue Wang Hongxin Liao Jonghyun Kim Fusheng Pan
author_sort	Heng Xue
title	Effect of the Partial Substitution of Zn with Co, Ni, and Co-Ni on Microstructures and Mechanical Properties of Long-Period Stacking Ordered Dominant Mg-Y-Zn Alloys
title_short	Effect of the Partial Substitution of Zn with Co, Ni, and Co-Ni on Microstructures and Mechanical Properties of Long-Period Stacking Ordered Dominant Mg-Y-Zn Alloys
title_full	Effect of the Partial Substitution of Zn with Co, Ni, and Co-Ni on Microstructures and Mechanical Properties of Long-Period Stacking Ordered Dominant Mg-Y-Zn Alloys
title_fullStr	Effect of the Partial Substitution of Zn with Co, Ni, and Co-Ni on Microstructures and Mechanical Properties of Long-Period Stacking Ordered Dominant Mg-Y-Zn Alloys
title_full_unstemmed	Effect of the Partial Substitution of Zn with Co, Ni, and Co-Ni on Microstructures and Mechanical Properties of Long-Period Stacking Ordered Dominant Mg-Y-Zn Alloys
title_sort	effect of the partial substitution of zn with co, ni, and co-ni on microstructures and mechanical properties of long-period stacking ordered dominant mg-y-zn alloys
publisher	Hindawi Limited
publishDate	2021
url	https://doaj.org/article/334dcad7b7394729ae6e543e46740fbc
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Effect of the Partial Substitution of Zn with Co, Ni, and Co-Ni on Microstructures and Mechanical Properties of Long-Period Stacking Ordered Dominant Mg-Y-Zn Alloys

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