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Featured researches published by Kazuhiko Kubo.


Journal of The Ceramic Society of Japan | 1974

Studies on Calcium Silicate Hydrate for Industrial Use (III)

Kazuhiko Kubo; Rihachi Minoura; Goro Yamaguchi

The mixture of silica powder and milk of lime was stirred in an autoclave and treated hydrothermally under the following conditions; molar ratio of CaO/SiO2 0.80, weight ratio of water/total-solid 12, pressure 8kg/cm2, temperature 175°C, for 4-8hrs. Thus milky slurry consisting of tobermorite was prepared.The slurry contains 8% of total solid matter and its viscosity is 1.5-2.0 poise. Crystals are tobermorite whose (002) spacings are 11.2-11.3A. Grains are spherical aggregates with 5-70μm diameter having inter-twining structures of plate-like tobermorite crystals as shown in Fig. 5, 6 and Fig. 8.The slurry is easily dehydrated and shaped in a mold under pressure and the molded material can be hardened only by drying. The properties of thus obtained light molded material are following as shown in Table 1; density 0.2, bending strength 3-4kg/cm2, thermal durability 900°C, shrinkage at 1000°C 2-3%.


Archive | 1977

Shaped bodies of calcium silicate and process for producing same

Kazuhiko Kubo; Akira Takahashi; Kenichi Ohashi


Archive | 1979

Calcium silicate and process for producing same

Kazuhiko Kubo; Akira Takahashi; Kenichi Oohashi


Archive | 1985

Silica shaped bodies and process for preparing same

Akira Takahashi; Kazuo Shibahara; Katsuhiro Morimoto; Hiromasa Samma; Kazuhiko Kubo


Archive | 1977

Formkoerper aus kalziumsilikat und verfahren zur herstellung derselben

Kazuhiko Kubo; Akira Takahashi; Kenichi Ohashi


Archive | 1984

Manufacture of inorganic composite formed body

Teru Takahashi; Kazuo Shibahara; Katsuhiro Morimoto; Hiromasa Mima; Kazuhiko Kubo


Journal of The Ceramic Society of Japan | 1976

Xonotlite Heat-insulating Material with Bulk Density of 0. 1

Kazuhiko Kubo; Masashi Esumi; Goro Yamaguchi


Archive | 1984

Formed article of calcium silicate and method of the preparation thereof

Akira Takahashi; Kazuo Shibahara; Katsuhiro Morimoto; Hiromasa Sanma; Kazuhiko Kubo


Archive | 1985

Silica molding and process for its production

Akira Takahashi; Kazuo Shibahara; Katsuhiro Morimoto; Hiromasa Samma; Kazuhiko Kubo


Archive | 1984

SILICA-INACTIVE SUBSTANCE COMPOSITE FORMED BODY

Teru Takahashi; Kazuo Shibahara; Katsuhiro Morimoto; Hiromasa Mima; Kazuhiko Kubo

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