Influence of processing parameters on the closed pore patterns utilizing the superplastisically foaming method

Yusuke Nishino, Hidetaka Hayashi, Akira Kishimoto

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We have already innovated superplastically foaming method in which pore expands after densification of the matrix utilizing the superplastic deformation. Based on this superplastically foaming method using 3YSZ (3 mol% yttria stabilized zirconia) and α-SiC as matrix and foam agent, respectively, we have successfully fabricated several dots closed pore pattern and C-shaped as well as S-shaped closed tube patterns by optimizing the amount of matrix 3 YSZ. In addition to the shape of the closed pore, the protuberance based on the expansion of the pore changed with the location of the foam agent in the matrix. The shape of the closed pores and the interaction between them can be controlled by the concentration of the foam agent and the amount of the matrix.

Original languageEnglish
Pages (from-to)389-394
Number of pages6
JournalFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Volume56
Issue number6
DOIs
Publication statusPublished - Jun 2009

Fingerprint

Foams
Processing
Superplastic deformation
Yttria stabilized zirconia
Densification

Keywords

  • Closed pore
  • Foam agent
  • Patterning
  • Superplastisity

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

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abstract = "We have already innovated superplastically foaming method in which pore expands after densification of the matrix utilizing the superplastic deformation. Based on this superplastically foaming method using 3YSZ (3 mol{\%} yttria stabilized zirconia) and α-SiC as matrix and foam agent, respectively, we have successfully fabricated several dots closed pore pattern and C-shaped as well as S-shaped closed tube patterns by optimizing the amount of matrix 3 YSZ. In addition to the shape of the closed pore, the protuberance based on the expansion of the pore changed with the location of the foam agent in the matrix. The shape of the closed pores and the interaction between them can be controlled by the concentration of the foam agent and the amount of the matrix.",
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AB - We have already innovated superplastically foaming method in which pore expands after densification of the matrix utilizing the superplastic deformation. Based on this superplastically foaming method using 3YSZ (3 mol% yttria stabilized zirconia) and α-SiC as matrix and foam agent, respectively, we have successfully fabricated several dots closed pore pattern and C-shaped as well as S-shaped closed tube patterns by optimizing the amount of matrix 3 YSZ. In addition to the shape of the closed pore, the protuberance based on the expansion of the pore changed with the location of the foam agent in the matrix. The shape of the closed pores and the interaction between them can be controlled by the concentration of the foam agent and the amount of the matrix.

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