Microstructure and mechanical properties of Mg-12.3Zn-5.8Y-1.4Al alloy

Wenlong Xiao; Jun Wang; Jie Yang; Shusheng Jia; Limin Wang

doi:10.1016/j.msea.2007.07.086

Microstructure and mechanical properties of Mg-12.3Zn-5.8Y-1.4Al alloy

Wenlong Xiao, Jun Wang, Jie Yang, Shusheng Jia, Limin Wang

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

Microstructure and mechanical properties of as-cast and heat-treated Mg-12.3Zn-5.8Y-1.4Al (ZYA1261) alloy were investigated. The phase compositions of the as-cast alloy are α-Mg, Mg₃YZn₆ (I-phase), Mg₃Y₂Zn₃ (W-phase), Mg₁₂YZn (Z-phase), Mg₂₄Y₅, MgZn and a small quantity of Al-containing phase. The phase compositions change with various heat treatment conditions. The highest Vickers hardness is obtained in the alloy aged at 200 °C for 5 h, the transmission electron microscopy indicated that fine scale Z-phase precipitates in the matrix. The tensile properties of the as-cast and heat-treated alloys were reported.

Original language	English
Pages (from-to)	55-60
Number of pages	6
Journal	Materials Science and Engineering: A
Volume	485
Issue number	1-2
DOIs	https://doi.org/10.1016/j.msea.2007.07.086
State	Published - 25 Jun 2008
Externally published	Yes

Keywords

Heat treatment
Mechanical properties
Mg-Zn-Y-Al alloy
Microstructure

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10.1016/j.msea.2007.07.086

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abstract = "Microstructure and mechanical properties of as-cast and heat-treated Mg-12.3Zn-5.8Y-1.4Al (ZYA1261) alloy were investigated. The phase compositions of the as-cast alloy are α-Mg, Mg3YZn6 (I-phase), Mg3Y2Zn3 (W-phase), Mg12YZn (Z-phase), Mg24Y5, MgZn and a small quantity of Al-containing phase. The phase compositions change with various heat treatment conditions. The highest Vickers hardness is obtained in the alloy aged at 200 °C for 5 h, the transmission electron microscopy indicated that fine scale Z-phase precipitates in the matrix. The tensile properties of the as-cast and heat-treated alloys were reported.",

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T1 - Microstructure and mechanical properties of Mg-12.3Zn-5.8Y-1.4Al alloy

AU - Xiao, Wenlong

AU - Wang, Jun

AU - Yang, Jie

AU - Jia, Shusheng

AU - Wang, Limin

PY - 2008/6/25

Y1 - 2008/6/25

N2 - Microstructure and mechanical properties of as-cast and heat-treated Mg-12.3Zn-5.8Y-1.4Al (ZYA1261) alloy were investigated. The phase compositions of the as-cast alloy are α-Mg, Mg3YZn6 (I-phase), Mg3Y2Zn3 (W-phase), Mg12YZn (Z-phase), Mg24Y5, MgZn and a small quantity of Al-containing phase. The phase compositions change with various heat treatment conditions. The highest Vickers hardness is obtained in the alloy aged at 200 °C for 5 h, the transmission electron microscopy indicated that fine scale Z-phase precipitates in the matrix. The tensile properties of the as-cast and heat-treated alloys were reported.

AB - Microstructure and mechanical properties of as-cast and heat-treated Mg-12.3Zn-5.8Y-1.4Al (ZYA1261) alloy were investigated. The phase compositions of the as-cast alloy are α-Mg, Mg3YZn6 (I-phase), Mg3Y2Zn3 (W-phase), Mg12YZn (Z-phase), Mg24Y5, MgZn and a small quantity of Al-containing phase. The phase compositions change with various heat treatment conditions. The highest Vickers hardness is obtained in the alloy aged at 200 °C for 5 h, the transmission electron microscopy indicated that fine scale Z-phase precipitates in the matrix. The tensile properties of the as-cast and heat-treated alloys were reported.

KW - Heat treatment

KW - Mechanical properties

KW - Mg-Zn-Y-Al alloy

KW - Microstructure

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DO - 10.1016/j.msea.2007.07.086

M3 - 文章

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SN - 0921-5093

VL - 485

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JO - Materials Science and Engineering: A

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ER -

Microstructure and mechanical properties of Mg-12.3Zn-5.8Y-1.4Al alloy

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