J. Mater. Sci. Technol. ›› 2008, Vol. 24 ›› Issue (03): 296-298.

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Effect of Sn on the Microstructure and Mechanical Properties of Mg-5Al-2Si Alloys

Sangwon Lee, Bonggyu Park, Yongho Park, Ikmin Park   

  • 收稿日期:2007-09-03 修回日期:1900-01-01 出版日期:2008-05-28 发布日期:2009-10-10

Effect of Sn on the Microstructure and Mechanical Properties of Mg-5Al-2Si Alloys

Sangwon Lee, Bonggyu Park, Yongho Park, Ikmin Park   

  1. Department of Material Science and Engineering, Pusan National University 30, Jangjeon-dong, Geumjeong-gu, Busan 609-735, Korea
  • Received:2007-09-03 Revised:1900-01-01 Online:2008-05-28 Published:2009-10-10
  • Contact: Ikmin Park

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Abstract: The effect of Sn addition on the microstructures and mechanical properties of Mg-5Al-2Si alloys was investigated with variations of Sn contents (3 and 6 wt pct). The microstructure of the alloy was characterized by the presence of Mg2Sn particles within matrix and at grain boundaries. As the Sn contents increased, yield and ultimate tensile strength were increased at room temperatures and 150℃. Creep properties were improved with the increasing amount of Sn due to the fine precipitation of Mg2Sn phases within grain during creep.

Key words: Magnesium, Tin, Microstructure, Mechanical properties