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13 Result(s)

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  1. No Access

    Article

    Microstructure design of HIPed TiO2 ceramics for improved corrosion resistance

    Yukio Kishi, Hiromasa Shimojima, Shigeo Ohsio… in Journal of Materials Science Letters (1997)

  2. No Access

    Article

    Change of internal/pore structure in alumina green body during initial sintering

    A novel characterization method was applied to study the morphological changes of large pores in a ceramic green body during the early stage of densification at 1100°C for 1–64 h. Large processing pores were p...

    **-Young Kim, Masayori Miyashita, Nozomu Uchida… in Journal of Materials Science (1992)

  3. No Access

    Article

    Direct observation of internal structure in spray-dried yttria-doped zirconia granule

    Spray-dried yttria-doped zirconia granules were made transparent by immersion in a liquid and the internal structure was characterized using an optical microscope. This unique technique was found to be applica...

    **-Young Kim, Masahiro Inoue, Zenji Kato, Nozomu Uchida… in Journal of Materials Science (1991)

  4. No Access

    Article

    Hydrogen post-etching effect on CVD diamond film

    Nozomu Uchida, Tsutomu Kurita, Keizo Uematsu… in Journal of Materials Science Letters (1990)

  5. No Access

    Article

    Thermochemical etching effect on CVD diamond film in an oxygen atmosphere

    Nozomu Uchida, Tsutomu Kurita, Keizo Uematsu… in Journal of Materials Science Letters (1990)

  6. No Access

    Article

    Orientation of ZnO grains by pyroelectric charge-electrical field interaction

    Keizo Uematsu, Haruo Morohashi, Tadahiko Morimoto… in Journal of Materials Science Letters (1989)

  7. No Access

    Article

    Effect of additives on the hot pressing of zinc sulphide

    Keizo Uematsu, Kazuhiko Sawada, Zenji Kato… in Journal of Materials Science Letters (1988)

  8. No Access

    Article

    Synthesis of aluminium titanate-mullite composite having high thermal shock resistance

    Hiroyuki Morishima, Zenji Kato, Keizo Uematsu… in Journal of Materials Science Letters (1987)

  9. No Access

    Article

    Electrical properties of high purity tin dioxide doped with antimony

    The electrical conductivity of high purity tin dioxide doped with antimony was studied at temperatures of 900 to 1200° C and partial pressures of oxygen between 10−8 and 1 atm. For specimens having a dopant conce...

    Keizo Uematsu, Nobuyasu Mizutani, Masanori Kato in Journal of Materials Science (1987)

  10. No Access

    Article

    Electrical conductivity of yttria-stabilized zirconia single crystals

    The electrical conductivities of YSZ single crystals with various compositions covering FSZ and PSZ regions were measured by a complex impedance method and a four-probe a.c. method. The conductivities changed ...

    Sotomitsu Ikeda, Osamu Sakurai, Keizo Uematsu… in Journal of Materials Science (1985)

  11. No Access

    Article

    Precipitates in single crystalline yttria-partially stabilized zirconia grown by the xenon-arc image floating-zone method

    Hitoshi Oka, Jun Saiki, Nobuo Ishizawa… in Journal of Materials Science Letters (1985)

  12. No Access

    Article

    Electrical properties of La-doped SrTiO3 (La: 0.1 to 2.0 at %) single crystals grown by xenon-arc image floating zone method

    Lanthanum-doped semiconducting strontium titanate single crystals having various lanthanum contents were grown in an air atmosphere by the xenon-arc image floating zone method. The crystals were characterized ...

    Keizo Uematsu, Osamu Sakurai, Nobuyasu Mizutani… in Journal of Materials Science (1984)

  13. No Access

    Article

    Electrical properties of La-doped SrTiO3 (La: 0.1 to 2.0 at %) single crystals grown by xenon-arc image floating zone method

    Lanthanum-doped semiconducting strontium titanate single crystals having various lanthanum contents were grown in an air atmosphere by the xenon-arc image floating zone method. The crystals were characterized ...

    Keizo Uematsu, Osamu Sakurai, Nobuyasu Mizutani… in Journal of Materials Science (1984)