Paper Title:
Observation of Microstructural Refinement in Mg-3Sn-2Ca Magnesium Alloy Containing Minor Sr
  Abstract

The microstructures of the Mg-3Sn-2Ca magnesium alloys with and without adding minor Sr were investigated and compared. The results indicate that adding 0.1 wt.% Sr to the Mg-3Sn-2Ca alloy can effectively refine the primary CaMgSn phases and grains. In addition, in the alloy containing minor Sr the volume fraction of the primary and eutectic CaMgSn phases appears to be decreased, whereas the volume fraction of the Mg2Ca precipitates seems to be increased. The mechanism for the microstructural change in the alloy containing minor Sr is possibly related to the effects of Sr additions on the onset crystallizing temperature and undercooling degree.

  Info
Periodical
Edited by
Yafang Han, Fusheng Pan, Jianmao Tang, Chungen Zhou
Pages
271-275
DOI
10.4028/www.scientific.net/MSF.686.271
Citation
M. B. Yang, C. Y. Qin, X. F. Liang, F. S. Pan, "Observation of Microstructural Refinement in Mg-3Sn-2Ca Magnesium Alloy Containing Minor Sr", Materials Science Forum, Vol. 686, pp. 271-275, 2011
Online since
June 2011
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$32.00
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