Investigating microstructures and high temperature superplasticity behavior of Mg-5(mass%) Sn alloy by using equal channel angular extrusion

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

doi:10.6119/JMST-013-1224-1

Investigating microstructures and high temperature superplasticity behavior of Mg-5(mass%) Sn alloy by using equal channel angular extrusion

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

^*此作品的通信作者

工業教育學系

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

2 引文斯高帕斯（Scopus）

摘要

In this study, we investigated the microstructures and high temperature plasticity behaviour of an Mg-5(mass%) Sn alloy after equal channel angular extrusion (ECAE). These results show that the grain boundary of the as-cast Mg-5(mass%) Sn alloy contained continuous eutectic α-Mg + Mg₂Sn precipitates. After an ECAE process, the average grain size decreased from 147 μm to about 10 μm and the continuous eutectic α-Mg + Mg₂Sn particles were broken down, and those particles distributed uniformly. The maximum elongation was 550 % at high temperature 350°C with strain rate of 1 × 10^-3 s^-1.

原文	英語
頁（從 - 到）	379-383
頁數	5
期刊	Journal of Marine Science and Technology (Taiwan)
卷	24
發行號	3
DOIs	https://doi.org/10.6119/JMST-013-1224-1
出版狀態	已發佈 - 2016

ASJC Scopus subject areas

海洋學
海洋工程
材料力學
機械工業

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10.6119/JMST-013-1224-1

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title = "Investigating microstructures and high temperature superplasticity behavior of Mg-5(mass%) Sn alloy by using equal channel angular extrusion",

abstract = "In this study, we investigated the microstructures and high temperature plasticity behaviour of an Mg-5(mass%) Sn alloy after equal channel angular extrusion (ECAE). These results show that the grain boundary of the as-cast Mg-5(mass%) Sn alloy contained continuous eutectic α-Mg + Mg2Sn precipitates. After an ECAE process, the average grain size decreased from 147 μm to about 10 μm and the continuous eutectic α-Mg + Mg2Sn particles were broken down, and those particles distributed uniformly. The maximum elongation was 550 % at high temperature 350°C with strain rate of 1 × 10-3 s-1.",

keywords = "Equal channel angular extrusion (ECAE), High temperature plasticity behaviour, Mg-5(mass%) Sn alloy, MgSn particles",

author = "Tsai, {Hao Jan} and Kuo, {Chin Guo} and Chao, {Chuen Guang} and Liu, {Tzeng Feng}",

year = "2016",

doi = "10.6119/JMST-013-1224-1",

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pages = "379--383",

journal = "Journal of Marine Science and Technology (Taiwan)",

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TY - JOUR

T1 - Investigating microstructures and high temperature superplasticity behavior of Mg-5(mass%) Sn alloy by using equal channel angular extrusion

AU - Tsai, Hao Jan

AU - Kuo, Chin Guo

AU - Chao, Chuen Guang

AU - Liu, Tzeng Feng

PY - 2016

Y1 - 2016

N2 - In this study, we investigated the microstructures and high temperature plasticity behaviour of an Mg-5(mass%) Sn alloy after equal channel angular extrusion (ECAE). These results show that the grain boundary of the as-cast Mg-5(mass%) Sn alloy contained continuous eutectic α-Mg + Mg2Sn precipitates. After an ECAE process, the average grain size decreased from 147 μm to about 10 μm and the continuous eutectic α-Mg + Mg2Sn particles were broken down, and those particles distributed uniformly. The maximum elongation was 550 % at high temperature 350°C with strain rate of 1 × 10-3 s-1.

AB - In this study, we investigated the microstructures and high temperature plasticity behaviour of an Mg-5(mass%) Sn alloy after equal channel angular extrusion (ECAE). These results show that the grain boundary of the as-cast Mg-5(mass%) Sn alloy contained continuous eutectic α-Mg + Mg2Sn precipitates. After an ECAE process, the average grain size decreased from 147 μm to about 10 μm and the continuous eutectic α-Mg + Mg2Sn particles were broken down, and those particles distributed uniformly. The maximum elongation was 550 % at high temperature 350°C with strain rate of 1 × 10-3 s-1.

KW - Equal channel angular extrusion (ECAE)

KW - High temperature plasticity behaviour

KW - Mg-5(mass%) Sn alloy

KW - MgSn particles

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DO - 10.6119/JMST-013-1224-1

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JO - Journal of Marine Science and Technology (Taiwan)

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Investigating microstructures and high temperature superplasticity behavior of Mg-5(mass%) Sn alloy by using equal channel angular extrusion

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