Microstructures, tensile properties and corrosion behavior of die-cast Mg-4Al-based alloys containing La and/or Ce

Jinghuai Zhang; Deping Zhang; Zheng Tian; Jun Wang; Ke Liu; Huayi Lu; Dingxiang Tang; Jian Meng

doi:10.1016/j.msea.2007.12.024

Microstructures, tensile properties and corrosion behavior of die-cast Mg-4Al-based alloys containing La and/or Ce

Jinghuai Zhang, Deping Zhang, Zheng Tian, Jun Wang, Ke Liu, Huayi Lu, Dingxiang Tang, Jian Meng

科研成果: 期刊稿件 › 文章 › 同行评审

94 引用（Scopus）

摘要

In order to study the properties of Mg-Al-RE (AE) series alloys, the Mg-4Al-4RE-0.4Mn (RE = La, Ce/La mischmetal or Ce) alloys were developed. Their microstructures, tensile properties and corrosion behavior have been investigated. The results show that the phase compositions of Mg-4Al-4La-0.4Mn alloy consist of α-Mg and Al₁₁La₃ phases. While two binary Al-RE (RE = Ce/La) phases, Al₁₁RE₃ and Al₂RE, are formed in Mg-4Al-4Ce/La-0.4Mn alloy, and Al₁₁Ce₃ and Al₂Ce are formed in Mg-4Al-4Ce-0.4Mn alloy. The optimal tensile properties and corrosion resistance are obtained in Mg-4Al-4Ce/La-0.4Mn alloy, the excellent tensile properties are mainly attributed to fine grains and grain boundaries containing fine secondary phases, and the good corrosion resistance is partly related to the presence of compact corrosion product film containing Al and Ce/La.

源语言	英语
页（从-至）	113-119
页数	7
期刊	Materials Science and Engineering: A
卷	489
期	1-2
DOI	https://doi.org/10.1016/j.msea.2007.12.024
出版状态	已出版 - 20 8月 2008
已对外发布	是

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title = "Microstructures, tensile properties and corrosion behavior of die-cast Mg-4Al-based alloys containing La and/or Ce",

abstract = "In order to study the properties of Mg-Al-RE (AE) series alloys, the Mg-4Al-4RE-0.4Mn (RE = La, Ce/La mischmetal or Ce) alloys were developed. Their microstructures, tensile properties and corrosion behavior have been investigated. The results show that the phase compositions of Mg-4Al-4La-0.4Mn alloy consist of α-Mg and Al11La3 phases. While two binary Al-RE (RE = Ce/La) phases, Al11RE3 and Al2RE, are formed in Mg-4Al-4Ce/La-0.4Mn alloy, and Al11Ce3 and Al2Ce are formed in Mg-4Al-4Ce-0.4Mn alloy. The optimal tensile properties and corrosion resistance are obtained in Mg-4Al-4Ce/La-0.4Mn alloy, the excellent tensile properties are mainly attributed to fine grains and grain boundaries containing fine secondary phases, and the good corrosion resistance is partly related to the presence of compact corrosion product film containing Al and Ce/La.",

keywords = "Corrosion, Mg-Al-RE alloy, Microstructure, Tensile properties",

author = "Jinghuai Zhang and Deping Zhang and Zheng Tian and Jun Wang and Ke Liu and Huayi Lu and Dingxiang Tang and Jian Meng",

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T1 - Microstructures, tensile properties and corrosion behavior of die-cast Mg-4Al-based alloys containing La and/or Ce

AU - Zhang, Jinghuai

AU - Zhang, Deping

AU - Tian, Zheng

AU - Wang, Jun

AU - Liu, Ke

AU - Lu, Huayi

AU - Tang, Dingxiang

AU - Meng, Jian

PY - 2008/8/20

Y1 - 2008/8/20

N2 - In order to study the properties of Mg-Al-RE (AE) series alloys, the Mg-4Al-4RE-0.4Mn (RE = La, Ce/La mischmetal or Ce) alloys were developed. Their microstructures, tensile properties and corrosion behavior have been investigated. The results show that the phase compositions of Mg-4Al-4La-0.4Mn alloy consist of α-Mg and Al11La3 phases. While two binary Al-RE (RE = Ce/La) phases, Al11RE3 and Al2RE, are formed in Mg-4Al-4Ce/La-0.4Mn alloy, and Al11Ce3 and Al2Ce are formed in Mg-4Al-4Ce-0.4Mn alloy. The optimal tensile properties and corrosion resistance are obtained in Mg-4Al-4Ce/La-0.4Mn alloy, the excellent tensile properties are mainly attributed to fine grains and grain boundaries containing fine secondary phases, and the good corrosion resistance is partly related to the presence of compact corrosion product film containing Al and Ce/La.

AB - In order to study the properties of Mg-Al-RE (AE) series alloys, the Mg-4Al-4RE-0.4Mn (RE = La, Ce/La mischmetal or Ce) alloys were developed. Their microstructures, tensile properties and corrosion behavior have been investigated. The results show that the phase compositions of Mg-4Al-4La-0.4Mn alloy consist of α-Mg and Al11La3 phases. While two binary Al-RE (RE = Ce/La) phases, Al11RE3 and Al2RE, are formed in Mg-4Al-4Ce/La-0.4Mn alloy, and Al11Ce3 and Al2Ce are formed in Mg-4Al-4Ce-0.4Mn alloy. The optimal tensile properties and corrosion resistance are obtained in Mg-4Al-4Ce/La-0.4Mn alloy, the excellent tensile properties are mainly attributed to fine grains and grain boundaries containing fine secondary phases, and the good corrosion resistance is partly related to the presence of compact corrosion product film containing Al and Ce/La.

KW - Corrosion

KW - Mg-Al-RE alloy

KW - Microstructure

KW - Tensile properties

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DO - 10.1016/j.msea.2007.12.024

M3 - 文章

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SN - 0921-5093

VL - 489

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JO - Materials Science and Engineering: A

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ER -

Microstructures, tensile properties and corrosion behavior of die-cast Mg-4Al-based alloys containing La and/or Ce

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