Zobrazeno 1 - 10
of 81
pro vyhledávání: '"S. Sodeoka"'
Autor:
Haruhiko Obara, Atsushi Yamamoto, S. Sodeoka, Kazuo Ueno, T. Noguchi, Takahiro Inoue, C.H. Li
Publikováno v:
Journal of Alloys and Compounds. 417:259-263
Two kinds of thermoelectric p-type semiconductive ɛ-Zn 4 Sb 3 with different oxygen content were prepared by hot-pressing at 748 K under 49 MPa for 5 h in vacuum, and their transport and thermoelectric properties were evaluated to study the effect o
Publikováno v:
Surface and Coatings Technology. 194:290-299
In our previous study, we reported the adhesive strength of thermal sprayed Ni–Cr coatings on modified 9Cr–1Mo steel after a long-term aging at 750 °C for 3000 h. In this paper, the effect of thermal cycling on the adhesive strength has been eva
Publikováno v:
Journal of Alloys and Compounds. 392:295-299
Thermoelectric p-type semiconductive ɛ-Zn 4 Sb 3 was hot-pressed at 748 K under 49 MPa for 5 h in vacuum from three kinds of raw powder having different average particle sizes (12.1, 19.5 and 44.3 μm) in order to study the effect of particle size o
Publikováno v:
Journal of Alloys and Compounds. 388:118-121
Mechanical properties including Young's modulus, Vickers hardness, 3-point bending strength, and fracture toughness, were evaluated for p-type semiconductive thermoelectric Zn 4 Sb 3 hot-pressed at four different temperatures ranging from 738 K to 75
Autor:
T. Noguchi, Changi Lee, H. Takazawa, Atsushi Yamamoto, Takahiro Inoue, S. Sodeoka, Kazuo Ueno, Haruhiko Obara
Publikováno v:
Journal of Alloys and Compounds. 384:254-260
Thermoelectric Zn 4 Sb 3 bulk specimens have been fabricated by hot pressing at various temperatures from 738 to 753 K either in a vacuum or under pressurized Ar. The bulk specimens consist of a single-phase p-type semiconductive e-Zn 4 Sb 3 compound
Publikováno v:
Materials Chemistry and Physics. 68:105-109
Low-shrinkage alumina−mullite composites were fabricated by reaction bonding using α-Al 2 O 3 , Al, β-SiC and 3Y-ZrO 2 as the starting powders. The effects of ZrO 2 addition and sintering temperature on densification behaviour and mechanical prop
Publikováno v:
Journal of Thermal Spray Technology. 6:361-367
The thermal and mechanical properties of ZrC2-CeO2plasma-sprayed coatings were evaluated to examine their potential as a thermal barrier coating. ZrO2-CeO2 solid-solution powders containing up to 70 mol % CeO2 are successfully plasma sprayed, but cer
Publikováno v:
Journal of Thermal Spray Technology. 1:153-159
â’-Sialon(Si6_zAlzOzN8-z, where z = 1,2,3, or 4) was plasma sprayed in air, and the structure and properties of the coating were evaluated. Coatings of the Sialon could be produced when z = 3 or 4, whereas coatings were hardly formed for Sialon wi
Publikováno v:
International Thermal Spray Conference.
SrTiOx is an expected oxide thermoelectric material, which performance can be improved by doping Y3+ in place of Sr2+. However, the maximum content of Y3+ is limited to about 10% because of the phase transformation in the equilibrium sintered materia
Publikováno v:
International Thermal Spray Conference.
A thermoelectric power generating device, in which all components were fabricated by plasma spray technique, was manufactured and its performance was evaluated. Its basic unit was composed of (Ca,Bi)3Co4O9 p-type semiconductor chip and (Sr,Y)TiO3-x n