Microstructure and mechanical properties of Mg-3Sn-1Ca reinforced with AlN nano-particles

Research output: Journal contributionsJournal articlesResearchpeer-review

Authors

  • Shaozhu Wang
  • Yuanding Huang
  • Lixiang Yang
  • Ying Zeng
  • Yaozeng Hu
  • Xiao Zhang
  • Qiang Sun
  • Shaojun Shi
  • Guangyao Meng
  • Norbert Hort

Microstructural evolution and strengthening mechanisms of Mg-3Sn-1Ca based alloys with additions of different amounts of AlN nano-particles were investigated. It was found that with increasing the amount of AlN nano-particles the grain size decreases obviously. The existence of AlN nano-particles could refine the primary crystal phases CaMgSn, which provided more heterogeneous nucleation sites for the formation of magnesium. Moreover, such nano-particles could also restrict the grain growth during solidification. After adding AlN nano-particles, both the tensile properties at room temperature and high temperature 250 °C and the hardness are largely improved. The improvement of strength is attributed to grain refinement and second phase refinement.

Original languageEnglish
JournalJournal of Magnesium and Alloys
Number of pages10
ISSN2213-9567
DOIs
Publication statusE-pub ahead of print - 20.06.2021

    Research areas

  • AlN nano-particles, Grain refinement, Mg-Sn-Ca alloy, Microstructure, Strengthening mechanisms
  • Engineering