Communication

Effect of the amount of gases on the foaming efficiency of porous aluminum using die castings fabricated by friction stir processing

Yoshihiko Hangai, Hiroki Kato, Takao Utsunomiya, Soichiro Kitahara

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Porous aluminum was fabricated by friction stir processing using the gases intrinsically contained in aluminum alloy die castings without the use of a blowing agent. The effect of the amount of gases contained in the die castings on the foaming efficiency was nvestigated. Although the expansion efficiency of each type of gas was not clear, the total amount of gases was sufficient to obtain high porosity. A porosity of approximately 60 pct was obtained with highly spherical and fine pores.

Original languageEnglish
Pages (from-to)1883-1886
Number of pages4
JournalMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume41
Issue number8
DOIs
Publication statusPublished - 2010 Aug

Fingerprint

Die castings
foaming
Aluminum
friction
Gases
communication
Friction
aluminum
Communication
Processing
porosity
gases
Porosity
Plant expansion
Blowing agents
blowing
aluminum alloys
Aluminum alloys
expansion

ASJC Scopus subject areas

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

Cite this

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AU - Utsunomiya, Takao

AU - Kitahara, Soichiro

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