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  1. No Access

    Article

    Strength distribution of titania ceramics after high-voltage screening

    Screening fields, at or below which 10%, 30% and 50% of TiO2 ceramic samples would break electrically, were applied to samples which show single-mode strength distribution. After these high-voltage screenings, th...

    A. Kishimoto, K. Endo, N. Motohira, Y. Nakamura… in Journal of Materials Science (1996)

  2. No Access

    Article

    Hydrothermal synthesis of fibrous lead titanate powders

    A fibrous lead titanate (PbTiO3) powder with light-yellow colour has been prepared by hydrothermal synthesis. The influences of Pb/Ti ratio (0.3 to 1.0) in the mixture and reaction time on the formation of fibrou...

    Y. Ohara, K. Koumoto, T. Shimizu, H. Yanagida in Journal of Materials Science (1995)

  3. No Access

    Article

    Starin dependent electrical resistance of carbon-insulator composite

    Y. Nakamura, K. Nishizawa, N. Motohira, H. Yanagida in Journal of Materials Science Letters (1994)

  4. No Access

    Article

    PTCR property in carbon-NaCl composites

    The composition dependence of resistivity and the positive temperature coefficient of resistivity (PTCR) were investigated in composites of electrically conducting carbon and insulating NaCl. Resistivity at 20...

    M. Miyayama, J. Teranishi, H. Yanagida in Journal of Materials Science (1993)

  5. No Access

    Article

    Study of La1−xMnO3−δ non-stoichiometry and defect structure using ESR and iodometry

    The oxidation states of manganese in the La1−xMnO3−δ (x = 0.09–0.11) were investigated by electron spin resonance (ESR) and iodometry. The ESR analysis carried out at room temperature for the samples prepared in ...

    M. Ippommatsu, S. Otoshi, H. Sasaki, H. Ohnishi, T. Higuchi… in Journal of Materials Science (1993)

  6. No Access

    Article

    Partially stabilized zirconia-polymer composites fabricated with an ultrasonic cutter

    Y. Ohara, M. Miyayama, K. Koumoto, H. Yanagida in Journal of Materials Science Letters (1993)

  7. No Access

    Article

    Humidity sensitive electrical resistivity of carbon fibres

    G. Pan, N. Muto, M. Miyayama, H. Yanagida in Journal of Materials Science Letters (1993)

  8. No Access

    Article

    Crystal-axis oriented ceramics prepared from fibrous barium titanate

    Y. Ohara, T. Taki, K. Koumoto, H. Yanagida in Journal of Materials Science Letters (1992)

  9. No Access

    Article

    Low-temperature conductivity of undoped zinc oxide films by chemical vapour deposition

    Y. Natsume, H. Sakata, T. Hirayama, H. Yanagida in Journal of Materials Science Letters (1991)

  10. No Access

    Article

    Infrared detection by semiconducting fibre

    N. Muto, M. Miyayama, H. Yanagida, T. Kajiwara… in Journal of Materials Science Letters (1990)

  11. No Access

    Article

    Sintering of yttrias with addition of divalent metal oxide and water vapour pressure dependence of their electrical conductivity

    The sinterability of divalent metal oxide (MO)-doped yttrias and their electrical conductivity have been studied. The density measurement and SEM observation revealed that the addition of a small amount of MO ...

    K. Katayama, H. Õsawa, T. Akiba, K. Urabe, H. Yanagida in Journal of Materials Science (1990)

  12. No Access

    Article

    Preparation of SiC hollow particles by gas-phase reaction in the SiH4-CH4-H2 system

    The formation of SiC hollow particles by gas-phase reaction in the silane-methane-hydrogen system was studied at temperatures from 1200 to 1400° C. Synthesized powders were analysed by means of the thermogravi...

    C. H. Pai, K. Koumoto, S. Takeda, H. Yanagida in Journal of Materials Science (1989)

  13. No Access

    Article

    Oxygen ionic conduction in Y2O3-stabilized Bi2O3 and ZrO2 composites

    Oxygen-ion conductivity was measured in two-phase mixed composites in the system f c c Bi2O3 (BY)-fcc ZrO2 (ZY) stabilized with Y2O3 (Y = 20 at%). The composites appeared in the range 0.02 < × < 0.90 for BYxZY1-x

    M. Miyayama, T. Nishi, H. Yanagida in Journal of Materials Science (1987)