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

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

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.

原文英語
頁(從 - 到)1423-1428
頁數6
期刊Materials Transactions
54
發行號8
DOIs
出版狀態已發佈 - 2013

ASJC Scopus subject areas

  • 材料科學(全部)
  • 凝聚態物理學
  • 材料力學
  • 機械工業

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