The effect of sintering method on internal friction of porous alumina

Tetsu Takahashi; Koji Matsumaru; Makoto Nanko; Kozo Ishizaki

doi:10.14853/pcersj.2002F.0.52.0

Preprints of Annual Meeting of The Ceramic Society of Japan
Preprints of Fall Meeting of The Ceramic Society of Japan

15th Fall Meeting of The Ceramic Society of Japan

DOI https://doi.org/10.14853/pcersj.2002F.0.52.0

Conference information

Host: The Ceramic Society of Japan

The effect of sintering method on internal friction of porous alumina

Tetsu Takahashi, Koji Matsumaru, Makoto Nanko, Kozo Ishizaki

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Keywords: Alumina, Internal friction, Porous material, Pore shape

CONFERENCE PROCEEDINGS FREE ACCESS

Pages 52

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Abstract

The internal friction of porous ceramics, which were sintered by different methods, were evaluated. For evaluation, Q^-1 that represents the degree of internal friction, was measured. The Q^-1 of conventional ones was higher than that of HIPed ones at a given porosity or Young’s modulus. This difference of Q^-1 is caused by the effect of neck growth.

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