Effects of samarium on microstructure and mechanical properties of Mg-Al-Ca alloys

H. T. Son, J. S. Lee, Y. K. Kim, I. H. Oh, K. Yoshimi, K. Maruyama

研究成果: Conference contribution

4 被引用数 (Scopus)

抄録

As samarium addition was increased, α- Mg matrix morphology was changed from dendritic to equiaxed grains and average value of grain size was decreased from 101.6μm to 39.3μm. Samarium addition to Mg-5Al-3Ca based alloys resulted in the formation of Mg-Al-Sm thernary intermetallic compounds at grain boundarys and α-Mg matrix grains. In these alloys, two kinds of eutectic structure were observed; coarse irregular-shape structure at grain boundary and fine needle-shape structure in the α-Mg matrix grain. It is found that the yield strength and ultimate strength showed the maximum value of 109.1MPa and 139.3 at Mg-5Al-3Ca-2Sm alloy, respectively.

本文言語English
ホスト出版物のタイトルEco-Materials Processing and Design VIII - ISEPD-8, Proceedings of the 8th International Symposium on Eco-Materials Processing and Design
出版社Trans Tech Publications Ltd
ページ295-298
ページ数4
ISBN(印刷版)0878494316, 9780878494316
DOI
出版ステータスPublished - 2007
イベント8th International Symposium on Eco-Materials Processing and Design, ISEPD-8 - Kitakyushu, Japan
継続期間: 2007 1 112007 1 13

出版物シリーズ

名前Materials Science Forum
544-545
ISSN(印刷版)0255-5476
ISSN(電子版)1662-9752

Other

Other8th International Symposium on Eco-Materials Processing and Design, ISEPD-8
CountryJapan
CityKitakyushu
Period07/1/1107/1/13

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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