Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Kohji Ogura"'
Publikováno v:
49th AIAA/ASME/SAE/ASEE Joint Propulsion Conference.
Risk evaluation is important for the development of new engines. There are many methods for estimating development risk and reliability. Among these high-fidelity numerical simulation is one of the most useful and powerful tools and is sometimes the
Publikováno v:
The Journal of the Marine Acoustics Society of Japan. 21:27-34
The piezoelectric properties and the receiving characteristics of d31-zero Piezo-Rubber hydrophones are investigated. Piezo-Rubber is a piezoelectric composite material consisting of piezoelectric ceramic powder and Chloroprene rubber. The d31-zero P
Autor:
Hisao Banno, Kohji Ogura
Publikováno v:
Journal of the Ceramic Society of Japan. 100:551-554
Hydrostatic piezoelectric constant dh of 0-3 composite of polymer and ceramic powder mixture of PZT and PbTiO3 were investigated in order to obtain “d31-zero” constant by applying appropriate reverse poling field to prepoled ones. The composite c
Publikováno v:
SPIE Proceedings.
We have developed a super high definition image handling system using new progressive technologies. The system supports the functions of display, editing, storage, transmission, and image compression for the images over 2 K by 2 K pixel resolution. A
Publikováno v:
Japanese Journal of Applied Physics. 32:2304
The piezoelectric properties and the receiving characteristics of d 31-zero Piezo-Rubber hydrophones are investigated. Piezo-Rubber is a piezoelectric composite material consisting of PbTiO3 and chloroprene rubber. The d 31-zero Piezo-Rubber hydropho
Publikováno v:
Japanese Journal of Applied Physics. 31:278
The hydrostatic piezoelectric properties and the receiving characteristics of Piezo-Rubber hydrophones are investigated. Piezo-Rubber is piezoelectric composite material consisting of PbTiO3 and chloroprene rubber. The Piezo-Rubber hydrophones have a
Autor:
Hisao Banno, Kohji Ogura
Publikováno v:
Japanese Journal of Applied Physics. 30:2247
Hydrostatic piezoelectric constants of composites consisting of polymer and ceramic powder mixture of PZT and PbTiO3 with different average ceramic particle sizes (PZT/PT=7.5 µm/3.3 µm) took enhanced values in the PZT-rich region of the ceramic pow
Autor:
Hisao Banno, Kohji Ogura
Publikováno v:
Japanese Journal of Applied Physics. 30:2250
Piezoelectric d constants (d 33, d h and d 31) of 0-3 composites of polymer and ceramic powder mixture of PZT and PbTiO3 at the polarization reversal process were measured at room temperature as a function of electric field after applying a reverse p
Publikováno v:
Japanese Journal of Applied Physics. 29:50
Acoustic and piezoelectric properties of Piezo-Rubbers and receiving characteristics of Piezo-Rubber transducers are reported as a function of PbTiO3 volume fraction. Piezo-Rubber is a piezoelectric composite material consisting of PbTiO3 and chlorop
Autor:
Kohji Ogura, Kanji Ohya
Publikováno v:
Journal of the Society of Materials Science, Japan. 38:44-48
A cyclic fatigue testing device by using a piezo-electric bimorph actuator has been investigated to evaluate cyclic fatigue phenomena of fine ceramics under cyclic loading at high frequencies. The bimorph was constructed as a cantilever. A large defl