Zobrazeno 1 - 10
of 264
pro vyhledávání: '"Masasuke TAKATA"'
Publikováno v:
Journal of the Ceramic Society of Japan. 130:55-59
Publikováno v:
CO2 Free Ammonia as an Energy Carrier ISBN: 9789811947667
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76d3511d06d80285a065f596c97931db
https://doi.org/10.1007/978-981-19-4767-4_6
https://doi.org/10.1007/978-981-19-4767-4_6
Autor:
Tsuneaki Matsudaira, Daisaku Yokoe, Masashi Wada, Satoshi Kitaoka, Naoki Kawashima, Miyuki Takeuchi, Masasuke Takata, Takeharu Kato
Publikováno v:
Journal of the European Ceramic Society. 41:3150-3160
Mass transfer in polycrystalline Yb2SiO5 wafers with precise composition control was evaluated and analyzed by oxygen permeation experiments at high temperatures using an oxygen tracer. Oxygen permeation proceeded due to mutual grain boundary diffusi
Autor:
Daisaku Yokoe, Satoshi Kitaoka, Miyuki Takeuchi, Naoki Kawashima, Tsuneaki Matsudaira, Masasuke Takata, Masashi Wada, Takafumi Ogawa, Takeharu Kato
Publikováno v:
Acta Materialia. 201:373-385
The effect of water vapor on mass transfer in polycrystalline Yb2Si2O7 (YbDS) wafers under oxygen potential gradients (dµO) at high temperatures was investigated using an oxygen permeation technique. The oxygen permeation under dry dµO (high oxygen
Autor:
Naoki Kawashima, Masasuke Takata, Satoshi Kitaoka, Masashi Wada, Tsuneaki Matsudaira, Daisaku Yokoe
Publikováno v:
Materials Today: Proceedings. 16:59-64
The optimum structure for multi-layered environmental barrier coatings (EBC) with enhanced environmental shielding and structural stability was proposed based on the mass-transfer mechanisms of the EBC constituent oxides such as polycrystalline Yb2Si
Autor:
Naoki Kawashima, Masasuke Takata, Daisaku Yokoe, Tsuneaki Matsudaira, Satoshi Kitaoka, Masashi Wada
Publikováno v:
Materials Science Forum. 941:1898-1903
The oxygen permeabilities of polycrystalline Yb2Si2O7 wafers cut from sintered bodies to serve as models of environmental barrier coatings were determined at temperatures up to 1673 K under various oxygen potential gradients (dµO), produced by expos
Autor:
Kazuto Noritake, Takeharu Kato, Masasuke Takata, Takuhito Tsutsui, Daisaku Yokoe, Yoshiki Okuhara, Tomohiro Kuroyama
Publikováno v:
Solar Energy Materials and Solar Cells. 174:351-358
In-situ high-temperature measurements of optical constants (refractive indices n and extinction coefficients k) for each layer of solar selective absorbing multilayers were carried out to simulate solar-thermal conversion efficiency at high temperatu
Autor:
Noriko Otani, Satoshi Kitaoka, Hiroki Moriwake, Taishi Yokoi, Craig A. J. Fisher, Akihide Kuwabara, Takafumi Ogawa, Masato Yoshiya, Masasuke Takata
Publikováno v:
Physical Chemistry Chemical Physics. 20:16518-16527
The phase stability and Raman spectra of Yb2O3, Yb2SiO5 and Yb2Si2O7 under hydrostatic pressure are investigated using density functional theory calculations. The calculated energies of polymorphs of each compound show that the stable phases at zero
Publikováno v:
Acta Materialia. 135:372-381
To elucidate the mass transfer mechanism in polycrystalline Yb 2 Si 2 O 7 at high temperatures, the oxygen permeability of Yb 2 Si 2 O 7 wafers was evaluated under various oxygen potential gradients (d μ O ) at temperatures up to 1673 K, using 18 O
Publikováno v:
Journal of the American Ceramic Society. 100:3217-3226
The oxygen permeability of polycrystalline mullite wafers, serving as a model environmental barrier coating layer on SiC fiber-reinforced SiC matrix composites, was evaluated at temperatures above 1673 h with an oxygen tracer gas (18O2). Oxygen perme