Effects of holding temperature and holding time on pore structures in porous aluminum fabricated by friction stir processing

Takao Utsunomiya, Yu Ichiro Ozeki, Yoshihiko Hangai

研究成果: Article査読

抄録

Porous aluminum has the advantages of good lightweight property and high specific strength. By applying porous aluminum as materials for automobile and structural component, both improvement of fuel efficiency and lightening can be realized. Authors have proposed the new fabrication method of porous aluminum using friction stir processing, i.e. Friction stir processing route (FSP route), which has low manufacturing cost and high productivity. Pore structure in porous aluminum depends on a holding temperature and a holding time when the blowing agent is foamed, and affects the mechanical properties. In this study, changing a holding temperature and a holding time, porous aluminum is fabricated by FSP route. Porosity of porous aluminum rises at short holding time when the holding temperature is high. Pore structures change even if the porosity is almost same and also changes quickly with the passage of holding time.

本文言語English
ページ(範囲)642-646
ページ数5
ジャーナルKeikinzoku/Journal of Japan Institute of Light Metals
59
11
DOI
出版ステータスPublished - 2009 11

ASJC Scopus subject areas

  • 材料力学
  • 機械工学
  • 金属および合金
  • 材料化学

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