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Publication
Featured researches published by Tetsuo Uchiyama.
Archive | 1991
Tetsuo Uchiyama; Sigeo Inoue; Koichi Niihara
Al2O3/SiC whisker/ZrO2 composites were fabricated by hot-pressing to full density. Significant toughening and strengthening were achieved in Al2O3/25 vol.% SiC whisker /15 vol.% ZrO2. The whisker bridging /pullout mechanism rather than crack deflection was believed responsible for whisker toughening in the composites studied. Multiplicative and interactive effects between whiskers and transformation toughening are discussed.
International Journal of High Technology Ceramics | 1986
Tetsuo Uchiyama; Koichi Niihara; Toshio Hirai
Relatively large Al2O3 disc particles (16μm, 41μm) with high aspect ratios (5-20) were incorporated into a fine-grain Al2O3 matrix (-1μm) in order to improve the mechanical properties of sintered Al2O3. The flexural strength depends on the disc size and the microstructure of composites. For a composite containing 5 vol% 16μm Al2O3 disc particles, the maximum flexural strength was 604MPa, 28.5% larger than that without disc particles.
Archive | 1986
Sigeo Inoue; Tetsuo Uchiyama; Toshio Hirai; Koichi Niihara
Archive | 1996
Noritomo Hirayama; Nobuhisa Kato; Mutsumi Nagumo; Masahiro Uno; Yohichi Yamashita; Wan Jiang; Tetsuo Uchiyama; Kenichi Tsuji
Archive | 1985
Toshio Hirai; Koichi Niihara; Atsushi Nakahira; Tetsuo Uchiyama
Archive | 1997
Wan Jiang; Kenichi Tsuji; Tetsuo Uchiyama; Mutsumi Nagumo; Satoru Sakaue; Masahiro Uno
Journal of The Ceramic Society of Japan | 1997
Wan Jiang; Jing-Feng Li; Kenichi Tsuji; Tetsuo Uchiyama; Ryuzo Watanabe
Archive | 1988
Toshio Hirai; Koichi Niihara; Shigeo Inoue; Tetsuo Uchiyama
Archive | 1998
Toyoshige Sasaki; Mitsuyoshi Nagano; Eiji Okuma; Shinzou Mitomi; Tetsuo Uchiyama; Shigeo Inoue; Haruka Tamura
Archive | 1985
Toshio Hirai; Koichi Niihara; Tetsuo Uchiyama
