Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 612, Issue -, Pages 96-101Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2014.06.022
Keywords
Mg-Sn-Al alloy; Zn addition; Mg2Sn; Microstructure; Mechanical property
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The microstructure and mechanical properties of Mg-3Sn-xZn-1Al alloys were investigated. It was found that the grain size was basically similar, and the amount of fine Mg2Sn particle increases markedly as the Zn content increases. In the as-extruded state, the alloys show a much smaller grain size, in addition, the grain size decreases signally with Zn content increases. The better comprehensive mechanical property is attributed to the finer grains and an amount of fine Mg2Sn particles as a result of the recrystallization accompanied by dynamic precipitation, i.e. an ultimate tensile strength of 290 Mpa and an elongation of 12.2% at room temperature. (C) 2014 Elsevier B.V. All rights reserved.
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