Zobrazeno 1 - 10
of 398
pro vyhledávání: '"Hisayuki Suematsu"'
Autor:
Yaru Yang, Thi‐Chau‐Duyen Le, Isamu Kudo, Thi‐Mai‐Dung Do, Koichi Niihara, Hisayuki Suematsu, Gordon Thorogood
Publikováno v:
International Journal of Ceramic Engineering & Science, Vol 3, Iss 5, Pp 211-216 (2021)
Abstract The geopolymer catalyst supports utilized in the nuclear waste containers for the Fukushima Daiichi Nuclear Power Station will be required to have high porosity and durability. This work presents the synthesis of a potassium and metakaolin
Externí odkaz:
https://doaj.org/article/76ebbc9bec7e48e79b2ad77a7b479a06
Autor:
Que Ho Nguyen, Takahiro Watari, Takashi Yamaguchi, Yuta Kawamura, Hisayuki Suematsu, Juan Paulo Wiff, Koichi Niihara, Tadachika Nakayama
Publikováno v:
Journal of Water and Environment Technology, Vol 18, Iss 3, Pp 147-156 (2020)
This paper proposes the utilization of a nanosecond pulsed (NSP) power supply in the electrocoagulation (EC) system for textile wastewater treatment. Four aluminum plates arranged in a monopolar-parallel configuration are utilized as electrodes in a
Externí odkaz:
https://doaj.org/article/b31f90b501f046f8b94ec77dbc50859b
Publikováno v:
Materials Research Express, Vol 7, Iss 2, p 025037 (2020)
Epoxy nanocomposites with different wt% of alumina was prepared by use of high-speed shear mixer and high-frequency sonicator process, and the electrical and mechanical properties of the materials were investigated. Surface potential variation and tr
Externí odkaz:
https://doaj.org/article/8f847b5cb3604273be2d480f753e6e2f
Autor:
Ji-Won Lee, Hong-Baek Cho, Tadachika Nakayama, Tsuneo Suzuki, Hisayuki Suematsu, Koichi Niihara
Publikováno v:
Journal of Asian Ceramic Societies, Vol 2, Iss 2, Pp 97-101 (2014)
A facile technique has been introduced for incorporating TiO2 nanotubes (TNTs) in amorphous polysiloxane-based nanocomposite films and for linear and dense assembling of these TNTs (LATNTs) under application of nanosecond pulse electric field. The us
Externí odkaz:
https://doaj.org/article/d532306847184aeaaf07941b4bd2893a
Autor:
Ryo Kurosawa, Tsuneo Suzuki, Tadachika Nakayama, Hisayuki Suematsu, Koichi Niihara, Shigeo Satokawa, Yukiko Yasukawa, Xiaoxi Liu
Publikováno v:
Journal of Asian Ceramic Societies, Vol 2, Iss 1, Pp 41-43 (2014)
This work investigated magnetization changes in NiFe2O4 nanoparticles induced by the adsorption of a series of carboxylic acids. The application of formic acid resulted in a significant 8.6% decrease in the magnetization of NiFe2O4 nanoparticles at 1
Externí odkaz:
https://doaj.org/article/48e4e042b8924c759a709b897916fe64
Autor:
Kazuma Suzuki, Tsuneo Suzuki, Yoshiharu Nakajima, Yoshio Matsui, Hisayuki Suematsu, Tadachika Nakayama, Koichi Niihara
Publikováno v:
APL Materials, Vol 3, Iss 9, Pp 096105-096105-6 (2015)
NaCl-type (B1) chromium oxide (CrO) has been expected to have a high hardness value and does not exist as an equilibrium phase. We report a B1-based Cr0.67O thin film with a thickness of 144 nm prepared by pulsed laser deposition as an epitaxial thin
Externí odkaz:
https://doaj.org/article/a2192ae6db2441f7809ede12f3499ff4
Autor:
Gandluri Parameswarreddy, Yugandhara Rao Yadam, Kavitha Arunachalam, Ramanujam Sarathi, Hisayuki Suematsu
Publikováno v:
Polymer Composites. 44:1522-1533
Autor:
Yoshitaka Fujita, Tomotake Niizeki, Nobuyoshi Fukumitsu, Katsuhiko Ariga, Yusuke Yamauchi, Victor Malgras, Yusuf Valentino Kaneti, Chia-Hung Liu, Kentaro Hatano, Hisayuki Suematsu, Tatsuya Suzuki, Kunihiko Tsuchiya
Publikováno v:
Bulletin of the Chemical Society of Japan. 95:129-137
Autor:
Buddhika Amila Kumara Sodige, Hideto Furuno, Yuta Kawamura, Nguyen Ngo, Hironari Sugiyama, Masaaki Baba, Koichi Niihara, Hisayuki Suematsu, Tadachika Nakayama
Publikováno v:
SSRN Electronic Journal.
Autor:
Son Thanh Nguyen, Hisayuki Suematsu, Tadachika Nakayama, Juan Paulo Wiff, Thi-Mai-Dung Do, H.-W. Son, Koichi Niihara, Ayahisa Okawa, T. Goto, Tsuneo Suzuki
Publikováno v:
Ceramics International. 47:34802-34809
Yb2Si2O7 is a popular environmental barrier coating; however, it decomposes into Yb2SiO5 in high-temperature steam environments. The thermal mismatch between Yb2Si2O7 and Yb2SiO5 leads to the cracking and failure of the disilicate coating via oxidati