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Dive into the research topics where Koji Shibata is active.

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Featured researches published by Koji Shibata.


Key Engineering Materials | 2006

Microstructure and High Temperature Strength Characteristics of Unidirectionally Solidified Al2 O3 /GdAlO3 Eutectic Composite

Hideki Ohtsubo; Narihito Nakagawa; Kazutoshi Shimizu; Koji Shibata; Atsuyuki Mitani; Yoshiharu Waku

Enploying unidirectional solidification, Al2O3/GdAlO3(Gadolinium Aluminum Perovskite:GAP) eutectic composite was fabricated. The Al2O3/GAP eutectic composite obtained has a flexural strength of over 600Mpa above 1500C. The composite also showed plastic deformation above 1550C on the flexural test. The effect of microstructure on mechanical strength at high temperature was investigated. Al2O3/GAP eutectic composites having different microstructure were fabricated by controlling the temperature gradient on unidirectional solidification. It was found that the flexural strength at high temperature of the composite became higher with refining the microstructure.


Archive | 2013

SILICON NITRIDE POWDER PRODUCTION METHOD, SILICON NITRIDE POWDER, SILICON NITRIDE SINTERED BODY AND CIRCUIT SUBSTRATE USING SAME

Koji Shibata; Takuji Ohmaru; Takeshi Yamao; Masataka Fujinaga; Michio Honda; Takayuki Fujii


Archive | 2006

Electrically conducting-inorganic substance-containing silicon carbide-based fine particles, electromagnetic wave absorbing material and electromagnetic wave absorber

Koji Shibata; Takeshi Kita; Koji Shiba; Takashi Kino; Hideo Sano; Yoichi Okubo; Shigeru Yao


Archive | 1994

Silicon nitride powder and silicon nitride-containing aqueous slurry

Koji Shibata; Hiroshi Yanagisawa; Tetsuo Yamada


Archive | 1996

Verfahren zur Herstellung einer Stickstoff enthaltenden Silanverbindung

Koji Shibata; Tetsuo Yamada; Takeshi Yamao


Archive | 2010

マグネシウム含有酸化亜鉛の製造方法、マグネシウム含有酸化亜鉛、及びその製造装置

Koji Shibata; 耕司 柴田


Archive | 2006

球状炭化ケイ素質微粒子、非晶質炭化ケイ素質セラミックス、及びそれらの製造方法

Takashi Kino; Takeshi Kita; Koji Shiba; Koji Shibata; Shigeru Yao; 滋 八尾; 貴史 城野; 晃司 斯波; 耕司 柴田


Archive | 1996

Verfahren zur Herstellung einer Stickstoff enthaltenden Silanverbindung A process for preparing a nitrogen-containing silane compound

Koji Shibata; Tetsuo Yamada; Takeshi Yamao


Archive | 1996

A process for preparing a nitrogen-containing silane compound

Koji Shibata; Tetsuo Yamada; Takeshi Yamao


Archive | 1996

Nitrogen containing hydro:silicon compound, for silicon nitride ceramics

Tetsuo Yamada; Takeshi Yamao; Koji Shibata

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