The improvement of mechanical properties of metallic foams by carbonates as a foaming agent

Takuya Koizumi, Kota Kido, Kazuhiko Kita, Koichi Mikado, Svyatoslav Gnyloskurenko, Takashi Nakamura

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Metallic foams are commonly produced using hydride foaming agents. Carbonates are safer to handle than hydrides; furthermore a fine and homogenous cell structure can be obtained in the powder metallurgy route. In this study, the effects of mass fraction of magnesium carbonate and dolomite as a foaming agent on cell structure and mechanical properties of the foams were investigated. Dolomite gave more fine and homogenous cell structure than magnesium carbonate. Average cell size of the foam by dolomite was twenty times less than that of the foam by TiH2· The dolomite-foam showed higher plateau stress than the TiH2-foam; therefore, dolomite-foam has high energy absorbing capability.

本文言語English
ページ(範囲)355-360
ページ数6
ジャーナルNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
75
6
DOI
出版ステータスPublished - 2011 6

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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