Zobrazeno 1 - 10
of 182
pro vyhledávání: '"Sawao Honda"'
Publikováno v:
Journal of Asian Ceramic Societies, Vol 11, Iss 4, Pp 451-463 (2023)
ABSTRACTThe microstructure and mechanical properties of polycrystalline spinel ceramics (MgAl2O4) with high translucency were investigated. Several kinds of polycrystalline spinel ceramics were prepared under various sintering conditions, and single-
Externí odkaz:
https://doaj.org/article/3fe6626f57144d99bfba871892bf126a
Publikováno v:
Crystals, Vol 13, Iss 11, p 1572 (2023)
Oxide additive-free α- → β-Si3N4 phase transformation of a high-purity commercial α-Si3N4 powder was investigated at 1600 to 1900 °C under a nitrogen pressure of 980 kPa. The XRD analysis revealed that the α- → β-Si3N4 phase transformation
Externí odkaz:
https://doaj.org/article/f2b0fc30367b42e293717024b30ce030
Autor:
Noor Aizat Noor Hisham, Mohd Hafiz Mohd Zaid, Dur Iffa Saparuddin, Sidek Hj. Ab Aziz, Farah Diana Muhammad, Sawao Honda, Yuji Iwamoto
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 4, Pp 9295-9298 (2020)
New low-cost and high strength porous glass-ceramics have been successfully fabricated in the Na2O–CaO–SiO2 glass system by powder sintering method, using pre-calcined clamshell (CS) and waste soda-lime-silica (SLS) glass as raw materials. The ef
Externí odkaz:
https://doaj.org/article/f27e02c730f648c284b4e24dbf04b795
Autor:
Dur Iffa Saparuddin, Noor Aizat Noor Hisham, Sidek Ab Aziz, Khamirul Amin Matori, Sawao Honda, Yuji Iwamoto, Mohd Hafiz Mohd Zaid
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 3, Pp 5640-5647 (2020)
This study was conducted to synthesize foam glass-ceramic using SLS glass as a precursor; eggshell (ES) as a foaming agent and investigated the effect of sintering temperature on the crystal growth, microstructure and mechanical properties of the fin
Externí odkaz:
https://doaj.org/article/77abccccdd5643a0ac983eb7ce97991d
Publikováno v:
Journal of Asian Ceramic Societies, Vol 8, Iss 2, Pp 265-276 (2020)
Porous alumina bodies are expected to find application as refractory materials to reduce energy consumption during the manufacture of inorganic products. The porosity of such bodies can be efficiently increased by using alumina platelets to form a so
Externí odkaz:
https://doaj.org/article/26c39d055ada43108e0e84e849e41d3e
Autor:
Norifumi Asakuma, Shotaro Tada, Erika Kawaguchi, Motoharu Terashima, Sawao Honda, Rafael Kenji Nishihora, Pierre Carles, Samuel Bernard, Yuji Iwamoto
Publikováno v:
Nanomaterials, Vol 12, Iss 10, p 1644 (2022)
Herein, we report the mechanistic investigation of the formation of nickel (Ni) nanocrystallites during the formation of amorphous silicon nitride at a temperature as low as 400 °C, using perhydropolysilazane (PHPS) as a preformed precursor and furt
Externí odkaz:
https://doaj.org/article/90517f6ec733490e89e266ded8eeb706
Autor:
Suhail Huzaifa Jaafar, Mohd Hafiz Mohd Zaid, Khamirul Amin Matori, Sidek Hj. Ab Aziz, Halimah Mohamed Kamari, Sawao Honda, Yuji Iwamoto
Publikováno v:
Crystals, Vol 11, Iss 2, p 115 (2021)
This research paper proposes the usage of a simple thermal treatment method to synthesis the pure and Eu3+ doped ZnO/Zn2SiO4 based composites which undergo calcination process at different temperatures. The effect of calcination temperatures on the s
Externí odkaz:
https://doaj.org/article/63adcd171f9341c596f505afa2b658c1
Autor:
Shotaro Tada, Shota Saito, Akito Mori, Hideki Mizuno, Shiori Ando, Toru Asaka, Yusuke Daiko, Sawao Honda, Samuel Bernard, Yuji Iwamoto
Publikováno v:
Materials, Vol 13, Iss 23, p 5345 (2020)
This paper reports on a unique reversible reducing and oxidizing (redox) property of Co(III) in Co-doped amorphous SiO2/γ-Al2O3 composites. The Fenton reaction during the H2O2-catalyzed sol–gel synthesis utilized in this study lead to the partial
Externí odkaz:
https://doaj.org/article/4c03e22764c0491d841bcede9eee9363
Autor:
Miwako Kubo, Ryota Mano, Misako Kojima, Kenichi Naniwa, Yusuke Daiko, Sawao Honda, Emanuel Ionescu, Samuel Bernard, Ralf Riedel, Yuji Iwamoto
Publikováno v:
Membranes, Vol 10, Iss 10, p 258 (2020)
Solar hydrogen production via the photoelectrochemical water-splitting reaction is attractive as one of the environmental-friendly approaches for producing H2. Since the reaction simultaneously generates H2 and O2, this method requires immediate H2 r
Externí odkaz:
https://doaj.org/article/1266dcecd75d44d2b1182f5e3cad69c7
Autor:
Mohd Ridhwan Adam, Mohd Hafiz Dzarfan Othman, Siti Hamimah Sheikh Abdul Kadir, Mohd Nazri Mohd Sokri, Zhong Sheng Tai, Yuji Iwamoto, Masaki Tanemura, Sawao Honda, Mohd Hafiz Puteh, Mukhlis A. Rahman, Juhana Jaafar
Publikováno v:
Membranes, Vol 10, Iss 4, p 63 (2020)
Natural zeolite is widely used in removing ammonia via adsorption process because of its superior ion-exchange properties. Ceramic particle size affects the adsorptivity of particles toward ammonia. In this study, hollow fiber ceramic membrane (HFCM)
Externí odkaz:
https://doaj.org/article/c8e7c0b6a990416a8659176aaf46c1dc