Effect of tool rotating rate on foaming properties of porous aluminum fabricated by using friction stir processing

Yoshihiko Hangai, Takao Utsunomiya, Makoto Hasegawa

研究成果: Article査読

86 被引用数 (Scopus)

抄録

A1050 porous aluminum is fabricated by the FSP route and the effect of the tool rotating rate on the porosity and morphology of the pores is investigated. To fabricate high-porosity porous aluminum with a uniform pore size distribution, a certain amount of stirring action is necessary; however, excessive stirring action is ineffective. A sufficiently uniform mixture is realized by traversing the FSP tool two times at a tool rotating rate exceeding 2200 rpm. The results indicate the minimum necessary amount of stirring action and will provide a guideline for improving productivity. Also, to improve the morphology of pores, optimizing the amount of Al2O3 is effective. Closed-cell porous aluminum with a porosity of about 80% was successfully fabricated by 2-pass FSP at 2200 rpm with the addition of 7 mass% Al2O3, a holding temperature of 998 K and a holding time of 10 min.

本文言語English
ページ(範囲)288-292
ページ数5
ジャーナルJournal of Materials Processing Technology
210
2
DOI
出版ステータスPublished - 2010 1 19

ASJC Scopus subject areas

  • セラミックおよび複合材料
  • コンピュータ サイエンスの応用
  • 金属および合金
  • 産業および生産工学

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