Effect of addition of Sn on the microstructure and mechanical properties of Mg-MM (misch-metal) alloys

Hyun Kyu Lim, Sung Woo Sohn, Do Hyung Kim, Ju Youn Lee, Won Tae Kim, Do Hyang Kim

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

The effects of addition of Sn on the microstructure and mechanical properties of rolled Mg-MM alloy sheets have been investigated. The secondary solidification phase in Mg-MM alloy changes dramatically with addition of Sn forming small size rod-shaped phase. Although the strength of alloy is decreased with addition of Sn, the ductility is improved when the small rod-shaped phase forms in Mg-rich Mg-MM-Sn alloys due to the sound interface without forming any void at the end of particles after tensile test at 200 °C. The result indicates that the small size rod-shaped particles can enhance the ductility while maintaining the moderate level of strength in Mg-MM-Sn alloys.

Original languageEnglish
Pages (from-to)515-522
Number of pages8
JournalJournal of Alloys and Compounds
Volume454
Issue number1-2
DOIs
Publication statusPublished - 2008 Apr 24

Bibliographical note

Funding Information:
This study was supported by a grant from the Fundamental R&D Program for Core Technology of Materials funded by the Ministry of Commerce, Industry and Energy, Republic of Korea. Hyun Kyu Lim and Ju Youn Lee are grateful for the support from the Second Stage of Brain Korea 21 Project in 2007.

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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