Microstructure and mechanical properties of Mg-Al-Ca-Sm alloys at high temperature

H. T. Son, J. S. Lee, J. M. Hong, I. H. Oh, K. Yoshimi, K. Maruyama

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


The aims of this research are to investigate the effect of Sm addition in Mg-Al-Ca alloys on microstructure and mechanical properties. Sm addition to Mg-5Al-3Ca based alloys results in the change from dendritic to equiaxed grain morphorlogy and formation of Al-Sm rich itermetallic compounds at grain boundary and α-Mg matrix. And these Al-Sm rich intermetallic compounds were dispersed homogeously and stabilized at high temperature. And maximum yield and ultimate strength value was obtained at Mg-5Al-3Ca-2Sm alloys at elevated temperature because of homogeneous dispersion of stable Al-Sm rich intermetallic compound at high temperature.

Original languageEnglish
Pages (from-to)653-656
Number of pages4
JournalKey Engineering Materials
Volume345-346 I
Publication statusPublished - 2007


  • High temperature
  • Mg-Al-Ca alloy
  • Sm(samarium)


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