Zobrazeno 1 - 10
of 418
pro vyhledávání: '"Eiji Akiyama"'
Publikováno v:
Metals, Vol 14, Iss 3, p 346 (2024)
The effects of hydrogen on the tensile properties, fatigue life, and tensile and fatigue fracture morphologies of nitrogen-added ultrahigh-strength transformation-induced plasticity (TRIP)-aided martensitic (TM) steels were investigated. The total el
Externí odkaz:
https://doaj.org/article/0b6360b2be02447f929ec6700170b3d8
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-7 (2021)
Abstract The use of hydrogen in iron and steel has the potential to improve mechanical properties via altering the phase stability and dislocation behavior. When hydrogen is introduced under several gigapascals, a stoichiometric composition of hydrog
Externí odkaz:
https://doaj.org/article/5624a64600344ddbb9c33b28d6558270
Autor:
Yi Yang, Hauyu Baobab Liu, Takayuki Muto, Jun Hashimoto, Ruobing Dong, Kazuhiro Kanagawa, Munetake Momose, Eiji Akiyama, Yasuhiro Hasegawa, Takashi Tsukagoshi, Mihoko Konishi, Motohide Tamura
Publikováno v:
The Astrophysical Journal, Vol 948, Iss 2, p 110 (2023)
Crescent-like asymmetric dust structures discovered in protoplanetary disks indicate dust aggregations. Thus, researching these structures helps us understand the planet formation process. Here we analyze ALMA data of the protoplanetary disk around t
Externí odkaz:
https://doaj.org/article/916feb338ff44a49b8444e246108a9fd
Publikováno v:
Materials Letters: X, Vol 11, Iss , Pp 100078- (2021)
Phase transformation in hydrogenated iron during depressurization from several gigapascals was investigated through in-situ synchrotron radiation X-ray diffraction and post-mortem electron backscatter diffraction measurements. The hydrogenated iron u
Externí odkaz:
https://doaj.org/article/59fa486e255f4627af2c67988188a40c
Autor:
Tomohiko Hojo, Yutao Zhou, Junya Kobayashi, Koh-ichi Sugimoto, Yoshito Takemoto, Akihiko Nagasaka, Motomichi Koyama, Saya Ajito, Eiji Akiyama
Publikováno v:
Metals, Vol 12, Iss 2, p 269 (2022)
The effects of thermomechanical processing on the microstructure and hydrogen embrittlement properties of ultrahigh-strength, low-alloy, transformation-induced plasticity (TRIP)-aided bainitic ferrite (TBF) steels were investigated to apply to automo
Externí odkaz:
https://doaj.org/article/d6cca0dc5c2841d2b73b695dc0128027
Autor:
Ruobing Dong, Sheng-yuan Liu, Josh Eisner, Sean Andrews, Jeffrey Fung, Zhaohuan Zhu, Eugene Chiang, Jun Hashimoto, Hauyu Baobab Liu, Simon Casassus, Thomas Esposito, Yasuhiro Hasegawa, Takayuki Muto, Yaroslav Pavlyuchenkov, David Wilner, Eiji Akiyama, Motohide Tamura, John Wisniewski
Publikováno v:
The Astrophysical Journal, Vol 860, Iss 2, p 124 (2018)
Spatially resolved structures in protoplanetary disks hint at unseen planets. Previous imaging observations of the transitional disk around MWC 758 revealed an inner cavity, a ring-like outer disk, emission clumps, and spiral arms, all possibly gener
Externí odkaz:
https://doaj.org/article/5386f69c59a04fdcb39cda1ff5fa0b09
Autor:
Rama Srinivas Varanasi, Motomichi Koyama, Hiroyuki Saitoh, Reina Utsumi, Toyoto Sato, Shin-ichi Orimo, Eiji Akiyama
Publikováno v:
International Journal of Hydrogen Energy. 48:10081-10088
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6787aeff4d6f45a377150edd2120420
https://doi.org/10.1016/j.ijhydene.2022.11.274
https://doi.org/10.1016/j.ijhydene.2022.11.274
Autor:
Ryuta Orihara, Munetake Momose, Takayuki Muto, Jun Hashimoto, Hauyu Baobab Liu, Takashi Tsukagoshi, Tomoyuki Kudo, Sanemichi Takahashi, Yi Yang, Yasuhiro Hasegawa, Ruobing Dong, Mihoko Konishi, Eiji Akiyama
Publikováno v:
Publications of the Astronomical Society of Japan. 75:424-445
In this study, we reported the results of high-resolution (${0{^{\prime \prime}_{.}}14}$) Atacama Large Millimeter/submillimeter Array (ALMA) observations of the 225 GHz dust continuum and CO molecular emission lines from the transitional disk around
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04163017786780b79b77835e27371215
https://doi.org/10.1093/pasj/psad009
https://doi.org/10.1093/pasj/psad009
Publikováno v:
MATERIALS TRANSACTIONS. 64:212-219
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6afe50e5a19604b5e65c48454f708a1b
https://doi.org/10.2320/matertrans.mt-m2022140
https://doi.org/10.2320/matertrans.mt-m2022140
Autor:
Eiji Akiyama
Publikováno v:
Zairyo-to-Kankyo. 71:340-345
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84b7dd03c114f60eb64f6905a8bd0699
https://doi.org/10.3323/jcorr.71.340
https://doi.org/10.3323/jcorr.71.340