19 Result(s)

Article

Development of a real-time stereo TEM

We have developed a real-time stereo transmission electron microscope (TEM) with tilting illumination. This system allows us to observe three-dimensional (3-D) images directly with a video-rate of 1/30 s. The ...

H. Tanaka, T. Kojima, H. Tsuruta, J. Chen, T. Tanji… in Journal of Materials Science (2006)

Article

Formation process of Na-X zeolites from coal fly ash

In order to synthesize Na-X zeolite from coal fly ash (Fa), Fa was pretreated under stirring condition at various temperatures of 20–50°C for 72 h and then aged at 85°C for a given period with NaOH solutions. ...

H. Tanaka, S. Matsumura, R. Hino in Journal of Materials Science (2004)

Article

Preparation of composite TiO₂-zeolite sheets using a papermaking technique and their application to environmental improvement Part II Effect of zeolite coexisting in the composite sheet on NO _x removal

Sheets with a photocatalytic action were prepared using a papermaking technique. These sheets included single TiO₂-sheet (Ti) and composite TiO₂ sheets with A type zeolite (Ti-ZeA) and Y type zeolite (Ti-ZeY). A ...

H. Ichiura, T. Kitaoka, H. Tanaka in Journal of Materials Science (2003)

Article

Conversion of coal fly ash to Na-X zeolites

H. Tanaka, S. Matsumura, S. Furusawa, R. Hino in Journal of Materials Science Letters (2003)

Article

High temperature strength at 1773 K and room temperature fracture toughness of Nb_ss/Nb₅Si₃ in situ composites alloyed with Mo

High temperature compressive strength at 1773 K and room temperature fracture toughness have been studied in terms of microstructure, phase stability and solid solution hardening in Nb-Si-Mo in situ composites co...

W.-Y. Kim, H. Tanaka, S. Hanada in Journal of Materials Science (2002)

Article

Preparation of composite TiO₂-zeolite sheets using a papermaking technique and their application to environmental improvement Part I Removal of acetaldehyde with and without UV irradiation

Composite titanium dioxide (TiO₂)-zeolite sheets were prepared using a papermaking technique and were tested with regard to their ability to remove acetaldehyde, which is often used as a typical volatile organic ...

H. Ichiura, T. Kitaoka, H. Tanaka in Journal of Materials Science (2002)

Article

Sintering of 6H(α)-SiC and 3C(β)-SiC powders with B₄C and C additives

The sintering behavior of three fine industrial SiC powders (two 6H(α)-type and one 3C(β)-type) has been comparatively investigated. The powders were pressureless sintered with B₄C and C additives between 1950°C ...

H. N. Yoshimura, A. C. Da Cruz, Y. Zhou, H. Tanaka in Journal of Materials Science (2002)

Article

Preparation of zeolite sheet using a papermaking technique Part II The strength of zeolite sheet and its hygroscopic characteristics

Zeolite has been widely applied to practical processes in various industrial fields as a desiccant, an adsorbent, a molecular sieve, an ion exchanger, a catalyst and so on. It has generally been used in the fo...

H. Ichiura, N. Okamura, T. Kitaoka, H. Tanaka in Journal of Materials Science (2001)

Article

Preparation of zeolite sheets using a papermaking technique Part I Dual polymer system for high retention of stock components

Zeolite is generally used in the form of beads or pellets in various industrial fields. These types of use, however, have some serious disadvantages such as a pressure loss in the reaction tower or a powdering...

H. Ichiura, Y. Kubota, Zonghua Wu, H. Tanaka in Journal of Materials Science (2001)

Article

Movement of liquid phase and the formation of surface reaction layer on the sintering of β-SiC with an additive of yttrium aluminium garnet

J.-K. Lee, H. Tanaka, H. Kim in Journal of Materials Science Letters (1996)

Article

Highly selective separation of CO₂ and He by xerogel coated porous glass membrane

K. Kuraoka, H. Tanaka, T. Yazawa in Journal of Materials Science Letters (1996)

Article

Novel alkali-resistant porous glass prepared from a mother glass based on the SiO₂-B₂O₃-RO-ZrO₂ (R = Mg, Ca, Sr, Ba and Zn) system

The alkali-resistant porous glass was prepared from the Si0₂-B₂0₃-RO (R=Mg, Ca, Sr, Ba and Zn) system containing Zr0₂. The porous glass skeleton contained 2–3 mass% Zr0₂ and the alkali resistance was greatly impr...

T. Yazawa, H. Tanaka, K. Eguchi, S. Yokoyama in Journal of Materials Science (1994)

Article

Polymer of captodative substituted methyl α-acetoxyacrylate: A new non-linear optical and high refractive acrylate polymer

H. Tanaka in Journal of Materials Science Letters (1994)

Article

Preparation of porous glass hollow fibre from glass based on SiO₂-B₂O₃-RO-ZrO₂ (R = Ca, Zn) system

T. Yazawa, H. Tanaka, K. Eguchi in Journal of Materials Science Letters (1994)

Article

Hydrolysis of trifunctional alkoxysilanes and corrosion resistance of steel sheets coated with alkoxysilane-derived films

K. Izumi, H. Tanaka, Y. Uchida, N. Tohge, T. Minami in Journal of Materials Science Letters (1993)

Article

Novel porous glass with chemical resistance and good sha** ability prepared from borosilicate glass containing ZnO

T. Yazawa, H. Tanaka, K. Eguchi, S. Yokoyama… in Journal of Materials Science Letters (1993)

Article

Microstructural investigation and indentation response of pressureless-sintered α- and β-SiC

The microstructure and indentation response of pressureless-sintered α- and β-SiC were studied using a high-resolution electron microscope and analytical electron microscopy. The materials were manufactured wi...

R. H. J. Hannink, Y. Bando, H. Tanaka, Y. Inomata in Journal of Materials Science (1988)

Article

The strength of α-sialon ceramics

M. Mitomo, H. Tanaka, K. Muramatsu, N. Ii, Y. Fujii in Journal of Materials Science (1980)

Article

Oxygen content of α-Si₃N₄ single crystals

K. Kijima, K. Kato, Z. Inoue, H. Tanaka in Journal of Materials Science (1975)