Effect of ECAE on microstructures and mechanical properties of solution heat treated Mg-5(mass%) Sn alloy

Hao Jan Tsai; Chin Guo Kuo; Chuen Guang Chao; Tzeng Feng Liu

doi:10.2320/matertrans.M2013088

Effect of ECAE on microstructures and mechanical properties of solution heat treated Mg-5(mass%) Sn alloy

Hao Jan Tsai, Chin Guo Kuo, Chuen Guang Chao^*, Tzeng Feng Liu

^*Corresponding author for this work

Department of Industrial Education

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

2 Citations (Scopus)

Abstract

The microstructures and mechanical properties of the Mg-5(mass%) Sn alloy subjected to a solution heat treatment (SHT) were investigated by using equal channel angular extrusion (ECAE). The average grain size was significantly refined from 147μm (as-cast) to 16μm by ECAE four passes. Further, the fine Mg₂Sn particles were uniformly distributed in the matrix by dynamic precipitation after ECAE four passes. The yield strength (YS), ultimate tensile strength (UTS) and elongations also showed notable improvements at room temperature and high temperatures (100 and 200°C) on account of the ECAE process. Further, the tensile strength and elongations were better than those of the ECAE without SHT alloy. Those results show that SHT is a useful way to enhance the effect of ECAE on the mechanical properties of Mg-5(mass%) Sn alloy.

Original language	English
Pages (from-to)	1423-1428
Number of pages	6
Journal	Materials Transactions
Volume	54
Issue number	8
DOIs	https://doi.org/10.2320/matertrans.M2013088
Publication status	Published - 2013

Keywords

Equal channel angular extrusion (ECAE)
Mg-5(mass%) Sn alloy
Solution heat treatment (SHT)

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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abstract = "The microstructures and mechanical properties of the Mg-5(mass%) Sn alloy subjected to a solution heat treatment (SHT) were investigated by using equal channel angular extrusion (ECAE). The average grain size was significantly refined from 147μm (as-cast) to 16μm by ECAE four passes. Further, the fine Mg2Sn particles were uniformly distributed in the matrix by dynamic precipitation after ECAE four passes. The yield strength (YS), ultimate tensile strength (UTS) and elongations also showed notable improvements at room temperature and high temperatures (100 and 200°C) on account of the ECAE process. Further, the tensile strength and elongations were better than those of the ECAE without SHT alloy. Those results show that SHT is a useful way to enhance the effect of ECAE on the mechanical properties of Mg-5(mass%) Sn alloy.",

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T1 - Effect of ECAE on microstructures and mechanical properties of solution heat treated Mg-5(mass%) Sn alloy

AU - Tsai, Hao Jan

AU - Kuo, Chin Guo

AU - Chao, Chuen Guang

AU - Liu, Tzeng Feng

PY - 2013

Y1 - 2013

N2 - The microstructures and mechanical properties of the Mg-5(mass%) Sn alloy subjected to a solution heat treatment (SHT) were investigated by using equal channel angular extrusion (ECAE). The average grain size was significantly refined from 147μm (as-cast) to 16μm by ECAE four passes. Further, the fine Mg2Sn particles were uniformly distributed in the matrix by dynamic precipitation after ECAE four passes. The yield strength (YS), ultimate tensile strength (UTS) and elongations also showed notable improvements at room temperature and high temperatures (100 and 200°C) on account of the ECAE process. Further, the tensile strength and elongations were better than those of the ECAE without SHT alloy. Those results show that SHT is a useful way to enhance the effect of ECAE on the mechanical properties of Mg-5(mass%) Sn alloy.

AB - The microstructures and mechanical properties of the Mg-5(mass%) Sn alloy subjected to a solution heat treatment (SHT) were investigated by using equal channel angular extrusion (ECAE). The average grain size was significantly refined from 147μm (as-cast) to 16μm by ECAE four passes. Further, the fine Mg2Sn particles were uniformly distributed in the matrix by dynamic precipitation after ECAE four passes. The yield strength (YS), ultimate tensile strength (UTS) and elongations also showed notable improvements at room temperature and high temperatures (100 and 200°C) on account of the ECAE process. Further, the tensile strength and elongations were better than those of the ECAE without SHT alloy. Those results show that SHT is a useful way to enhance the effect of ECAE on the mechanical properties of Mg-5(mass%) Sn alloy.

KW - Equal channel angular extrusion (ECAE)

KW - Mg-5(mass%) Sn alloy

KW - Solution heat treatment (SHT)

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Effect of ECAE on microstructures and mechanical properties of solution heat treated Mg-5(mass%) Sn alloy

Abstract

Keywords

ASJC Scopus subject areas

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