Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Tadashi Fujieda"'
Autor:
Florencio D. De los Reyes, Tadashi Fujieda, Akifumi Takeuchi, Tsuyoshi Kawai, Yoshiyuki Nonoguchi
Publikováno v:
Nano Select, Vol 2, Iss 8, Pp 1517-1524 (2021)
Abstract Boron nitride nanotubes (BNNTs) are simultaneously isolated and dispersed in organic solvents using a non‐aromatic and highly flexible polymer ethyl cellulose (EC). The colloidal dispersion containing individualized EC‐wrapped BNNTs is s
Externí odkaz:
https://doaj.org/article/84803d756aac4eeab83f2fcf06a11aaf
Autor:
Yoshiyuki Nonoguchi, Florencio D. De los Reyes, Tadashi Fujieda, Akifumi Takeuchi, Tsuyoshi Kawai
Publikováno v:
Nano Select, Vol 2, Iss 8, Pp 1517-1524 (2021)
Boron nitride nanotubes (BNNTs) are simultaneously isolated and dispersed in organic solvents using a non‐aromatic and highly flexible polymer ethyl cellulose (EC). The colloidal dispersion containing individualized EC‐wrapped BNNTs is stabilized
Autor:
Hiroshi Shiratori, Kazuyo Omura, Akihiko Chiba, Tadashi Fujieda, Kosuke Kuwabara, Manami Mori, Kenta Yamanaka
Publikováno v:
npj Materials Degradation, Vol 4, Iss 1, Pp 1-12 (2020)
High-entropy alloys (HEAs) have emerged as a class of structural alloys with various attractive properties, and their application in additive manufacturing, which enables unprecedented thermal history and geometrical complexity, is promising for real
Autor:
Akihiko Chiba, Yuichiro Koizumi, Tadashi Fujieda, Hiroshi Shiratori, Seiichi Watanabe, Kosuke Kuwabara, Chen Meichuan, Kenta Yamanaka
Publikováno v:
Additive Manufacturing. 25:412-420
The effectiveness of applying selective laser melting (SLM) to a CoCrFeNiTi-based high-entropy alloy was compared with that of using electron beam melting (EBM). The higher solidification rate during SLM promoted a fine uniform microstructure with no
Publikováno v:
Materialia. 4:367-372
The effectiveness of applying an electron beam melting (EBM) additive manufacturing process to Ti–6Al–2Sn–4Zr–2Mo–0.1Si–1B alloy by comparing the EBM alloy with a corresponding wrought alloy was demonstrated. The EBM alloys exhibited micr
Autor:
Kenta Yamanaka, Yuichiro Koizumi, Tadashi Fujieda, Akihiko Chiba, Kosuke Kuwabara, Hiroshi Shiratori
Publikováno v:
Additive Manufacturing. 23:264-271
Additive manufacturing is expected to be the manufacturing method for components made with high-entropy alloys (HEAs). In this study, the mechanical and electrochemical behaviors were investigated for equi-molar HEA (AlCoCrFeNi) obtained with selecti
Publikováno v:
Materia Japan. 57:328-332
Autor:
Tadashi Fujieda, Akihiko Chiba, Kenta Yamanaka, Kosuke Kuwabara, Yuichiro Koizumi, Seiichi Watanabe, Hiroshi Shiratori, Takahiko Kato, Mamoru Hirota
Publikováno v:
Materials Letters. 189:148-151
We succeeded in fabricating a Co 1.5 CrFeNi 1.5 Ti 0.5 Mo 0.1 high entropy alloy with superior tensile strength and corrosion resistance by a combination of additive manufacturing using selective electron beam melting (SEBM) and solution treatment (S
Autor:
Yuichiro Koizumi, Yuichiro Hayasaka, Akihiko Chiba, Tadashi Fujieda, Kenta Aoyagi, Cheng Yang, Yujie Cui, Huakang Bian
Publikováno v:
Corrosion Science. 180:109198
Previous research has inadequately elucidated the influence of Nb addition on the tensile properties and oxidation resistance of Ti-based alloys. Herein, the tensile properties and oxidation resistance of Ti–6Al–2Sn–4Zr–2Mo–0.1Si–1.0B–x
Autor:
Takuya Aoyagi, Toyama Tatsuya, Kazushige Kono, Takashi Naito, Yamato Hayashi, Tatsumi Hirano, Hirotsugu Takizawa, Tadashi Fujieda, Daiko Takamatsu
Publikováno v:
Journal of Non-Crystalline Solids. 453:28-35
Electrochemical properties of Li2O-V2O5-P2O5-Fe2O3 quaternary-glass and crystallized-glass cathodes were compared in terms of the local structural changes of vanadium and iron ions with increasing discharge capacity by in-situ X-ray absorption fine s