Zobrazeno 1 - 10
of 14 538
pro vyhledávání: '"H Okabe"'
Publikováno v:
Journal of MMIJ, Vol 140, Iss 11, Pp 157-169 (2024)
Efficient removal of oxygen (O) impurities from titanium (Ti) scrap is necessary to accelerate the recycling of Ti scrap. However, deoxidation of Ti is extremely difficult, both thermodynamically and technically. In this study, we developed a deoxida
Externí odkaz:
https://doaj.org/article/f15bbec0c1904bc1992a4e11a99263f3
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-8 (2024)
Abstract Titanium (Ti) is an attractive material, abundant in nature and possessing superior mechanical and chemical properties. However, its widespread use is significantly hampered by the strong affinity between titanium and oxygen (O), resulting i
Externí odkaz:
https://doaj.org/article/3bd162d174004dbeb374bedc153426bb
Autor:
Hyeong-Jun Jeoung, Tae-Hyuk Lee, Youngjae Kim, Jin-Young Lee, Young Min Kim, Toru H. Okabe, Kyung-Woo Yi, Jungshin Kang
Publikováno v:
Journal of Magnesium and Alloys, Vol 11, Iss 2, Pp 562-579 (2023)
A green and effective electrolytic process was developed to produce high-purity Mg metal using primary and secondary resources containing MgO as a feedstock. The electrolysis of various MgO resources was conducted using a Cu cathode in MgF2 – LiF
Externí odkaz:
https://doaj.org/article/4c1d1c12008c4f9c98b72ec7d6e8994d
Publikováno v:
Journal of Magnesium and Alloys, Vol 9, Iss 5, Pp 1644-1655 (2021)
The current electrolytic processes for magnesium (Mg) metal have several disadvantages, such as anhydrous magnesium chloride (MgCl2) preparation and generation of harmful chlorine (Cl2) gas. To overcome these drawbacks, a novel Mg production process
Externí odkaz:
https://doaj.org/article/dcea48b4b85943c3b9fc51a94ad06a45
Autor:
Osamu TAKEDA, Toru H. OKABE
Publikováno v:
Journal of MMIJ, Vol 137, Iss 3, Pp 36-44 (2021)
Scandium possesses unique physical and chemical properties. However, its applications are limited to special/minor fields because of its small production volume and high production cost. While the abundance of scandium in the Earth's crust is not sca
Externí odkaz:
https://doaj.org/article/a685426d7f21460b8ab362df8466bc4d
Autor:
Hideaki SASAKI, Toru H. OKABE
Publikováno v:
Journal of MMIJ, Vol 136, Iss 7, Pp 77-87 (2020)
Over the past years, the significance of recycling Cu and its accompanying metals has been increasing. However, the frequency of anode passivation increases during the electrorefining of copper when the copper anode contains a high concentration of i
Externí odkaz:
https://doaj.org/article/6e508a4ad84340ddb1d30faad5ded2d4
Publikováno v:
Journal of MMIJ, Vol 136, Iss 3, Pp 14-24 (2020)
In the process of electrorefining of copper, application of higher current density increases the tendency of anode passivation. The passivation disrupts the sound operation of the electrorefining process, reducing the current efficiency and the quali
Externí odkaz:
https://doaj.org/article/57d842a47d144effb8244f4b3b1c0e89
Publikováno v:
Tetsu-to-Hagane. 109:106-115
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5dbee0c270da9e46f31674004321e4ad
https://doi.org/10.2355/tetsutohagane.tetsu-2022-105
https://doi.org/10.2355/tetsutohagane.tetsu-2022-105
Publikováno v:
MATERIALS TRANSACTIONS. 64:61-70
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d6da9fecbae6f4b309db65cb19f4938
https://doi.org/10.2320/matertrans.mt-mla2022022
https://doi.org/10.2320/matertrans.mt-mla2022022
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