St John, David, Dahle, Arne, Abbott, Trevor, Nave, Mark and Qian, Ma 2003, Solidification of cast magnesium alloys, in Magnesium technology 2003 : proceedings of the jointly sponsored by the Magnesium Committee of the Light Metals Division (LMD) and the Solidification Committee of the Materials Processing and Manufacturing Division of TMS (the Minerals, Metals & Materials Society) with the International Magnesium Association held during the 2003 TMS Annual Meeting in San Diego, California, U.S.A., March 2-6, 2003, TMS, Warrendale, Pa., pp. 95-100.
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Magnesium technology 2003 : proceedings of the jointly sponsored by the Magnesium Committee of the Light Metals Division (LMD) and the Solidification Committee of the Materials Processing and Manufacturing Division of TMS (the Minerals, Metals & Materials Society) with the International Magnesium Association held during the 2003 TMS Annual Meeting in San Diego, California, U.S.A., March 2-6, 2003
Editor(s)
Kaplan, Howard I.
Publication date
2003
Start page
95
End page
100
Publisher
TMS
Place of publication
Warrendale, Pa.
Summary
A description of the key solidification steps in the formation of the as-cast microstructure of magnesium alloys is presented. The focus is on the two common magnesium alloy groups: Mg-Al alloys and Mg-Zn-rare earth alloys. The key elements described are: nucleation (including grain refinement), growth of the primary phase and the formation of the eutectic phases. In addition the effect of casting process (e.g. high-pressure diecasting and sand casting) on the outcomes from solidification are discussed. This includes consideration of the formation of banded defects during solidification in the dynamic environment of high pressure die casting.