Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Kenta Yamashita"'
Publikováno v:
Zootaxa. 5189:103-113
Two new species of the elongate snake eel genus Bascanichthys are described from the northwestern Pacific. Bascanichthys kabeyawan sp. nov. is described based on a single specimen collected from estuary of southern Taiwan. It is characterized by havi
Publikováno v:
Superalloys 2020 ISBN: 9783030518332
M647, a Ni-based superalloy with excellent mechanical properties and good hot deformability, was recently developed for application in airplane engine disks. In airplane engines, fine-grained superalloys are required to improve high-temperature fatig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::909beae370934ae9cc9ef180e0701ca8
https://doi.org/10.1007/978-3-030-51834-9_47
https://doi.org/10.1007/978-3-030-51834-9_47
Publikováno v:
ISIJ International. 54:2064-2070
Autor:
Nobuhiro Kumada, Yoshihiro Kuroiwa, Ichiro Fujii, Kouichi Nakashima, Chikako Moriyoshi, Kenta Yamashita, Satoshi Wada
Publikováno v:
Sensors and Actuators A: Physical. 200:26-30
Barium titanate (BaTiO3, BT)–potassium niobate (KNbO3, KN) (BT–KN) nanocomplex ceramics with various KN/BT molar ratios were prepared by a solvothermal method. From a transmittance electron microscopy (TEM) observation, it was confirmed that KN l
Autor:
Daisuke Tanaka, Chikako Moriyoshi, Shintaro Ueno, Hideto Kawashima, Yoshihiro Kuroiwa, Kouichi Nakashima, Yoshinori Fujikawa, Ichiro Fujii, Kenta Yamashita, Masahito Furukawa, Nobuhiro Kumada, Satoshi Wada
Publikováno v:
Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT). 2013:000001-000004
Barium titanate (BT) - potassium niobate (KN) nano-structured ceramics with an artificial morphotropic phase boundary (MPB) structure were prepared by a solvothermal method at temperatures below 230 °C. Various characterizations of the BT-KN nano-st
Autor:
Masahito Furukawa, Kenta Yamashita, Chikako Moriyoshi, Daisuke Tanaka, Kouichi Nakashima, Ichiro Fujii, Satoshi Wada, Yoshihiro Kuroiwa, Yoshinori Fujikawa, Eisuke Magome
Publikováno v:
Key Engineering Materials. 582:76-79
Denser, solvothermally synthesized KNbO3 (KN) / BaTiO3 (BT) composites with heteroepitaxial interfaces were prepared using the barium titanate powder with a wide particle size distribution. The relative density was 68 - 80 %, which was larger than th
Autor:
Tohru S. Suzuki, Yoshihiro Kuroiwa, Kouichi Nakashima, Ichiro Fujii, Kazuki Maeda, Kenta Yamashita, Satoshi Wada
Publikováno v:
Key Engineering Materials. 566:241-244
Porous potassium niobate (KNbO3, KN) system ceramics were prepared by spark plasma sintering (SPS) method using carbon black (CB, 5 μm). First, the powders of raw materials were mixed in ethanol by ball milling, and then calcined. Obtained KN powder
Autor:
Ichiro Fujii, Yoshihiro Kuroiwa, Nobuhiro Kumada, Kouichi Nakashima, Satoshi Wada, Kenta Yamashita, Shigehito Shimizu
Publikováno v:
Key Engineering Materials. 566:76-80
Barium titanate (BaTiO3, BT) - potassium niobate (KNbO3, KN) nanostructured ceramics with artificial morphotropic phase boundary (MPB) structure were successfully prepared at temperatures below 230 °C by solvothermal method. Various characterization
Autor:
Kenta Yamashita, Ichiro Fujii, Tetsuhiro Takahashi, Nobuhiro Kumada, Yoshihiro Kuroiwa, Kouichi Nakashima, Takeo Tsukada, Satoshi Wada
Publikováno v:
Key Engineering Materials. 566:34-37
In this study, 0.8 KNbO3(KN) -0.2 BaTiO3(BT) ceramics were prepared using KN powder with the diameter of 100 nm and BT powders with the diameter of 100, 300, or 500 nm. The relative densities were more than 96 % of the theoretical densities of the sa
Autor:
Nobuhiro Kumada, Satoshi Wada, Chikako Moriyoshi, Yoshihiro Kuroiwa, Kouichi Nakashima, Ichiro Fujii, Kenta Yamashita
Publikováno v:
Ceramics International. 39:S97-S102
Barium titanate (BaTiO 3 , BT)–potassium niobate (KNbO 3 , KN) (BT–KN) nanocomplex ceramics with various KN/BT molar ratios were prepared by the solvothermal method. From a transmittance electron microscopy (TEM) observation, it was confirmed tha