Výsledky vyhledávání - "Tamotsu T. Ueda"

Investigation of micro-structural transition through disproportionation and recombination during hydrogenation and dehydrogenation in Mg/Cu super-laminates

Autor: Hiroshi Miyamura, Koji Tanaka, Nobuhiko Takeichi, Nobuhiro Kuriyama, Makoto Tsukahara, Tamotsu T. Ueda, Shiomi Kikuchi, Hideaki Tanaka

Publikováno v: Journal of Materials Science. 43:3812-3816

Micro/nano-structures and hydrogen storage properties of Mg/Cu super-laminates were investigated. Mg/Cu super-laminates showed reversible hydrogenation and dehydrogenation at 473 K. In order to clarify the process of hydrogenation and dehydrogenation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d389800dd96e663c620e899cf6b062bc
https://doi.org/10.1007/s10853-007-2134-4

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Hydrogen Storage Properties of Mg-Al Alloy Prepared by Super Lamination Technique

Autor: Shiomi Kikuchi, Nobuhiro Kuriyama, Tamotsu T. Ueda, Hiroshi Miyamura, Nobuhiko Takeichi, Hideaki Tanaka, Makoto Tsukahara, Kenta Suganuma, Koji Tanaka

Publikováno v: Advanced Materials Research. :857-860

Microstructures and hydrogen storage properties of Mg-Al super laminate composite alloys were investigated. The laminated sample was made by alternately stacking Mg films and Al films. The laminate was subjected to repetition of stacking and cold-rol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe3de74646f43a6cff4c03cd1a94a53a
https://doi.org/10.4028/www.scientific.net/amr.26-28.857

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Hydrogen storage properties of Mg/Cu and Mg/Pd laminate composites and metallographic structure

Autor: Hiroshi Miyamura, Yoshihisa Kamiya, Shiomi Kikuchi, Nobuhiko Takeichi, Tamotsu T. Ueda, Koji Tanaka, Hideaki Tanaka, Makoto Tsukahara

Publikováno v: Journal of Alloys and Compounds. :543-548

The Mg-based laminate composites, Mg/Cu and Mg/Pd, were prepared by repetitive-rolling, which is considered to suit for mass production. Mg/Cu laminate composites (Mg/Cu = 2) absorb and desorb hydrogen reversibly at 473 K, and the laminate composites

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1c3f92776c259409377996f2f26f01b8
https://doi.org/10.1016/j.jallcom.2007.04.220

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Hydrogenation Characteristics of Mg Based Alloy Prepared by Super Lamination Technique

Autor: Koji Tanaka, Shiomi Kikuchi, Hiroshi Miyamura, Tamotsu T. Ueda, Hideaki Tanaka, Makoto Tsukahara, Nobuhiro Kuriyama, Ryota Mori, Nobuhiko Takeichi

Publikováno v: Materials Science Forum. :1609-1612

In order to improve the hydrogenation property of Mg/Ti laminate composite, Ni was added as a third element. Hydrogen storage properties of the laminated Mg/Ti/Ni alloy films were studied. Laminated Mg/Ti/Ni multilayer alloy films were prepared by co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb231b5e573fc7379a3f73b6a91ebff4
https://doi.org/10.4028/www.scientific.net/msf.561-565.1609

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Phase Transition of Mg/Pd Laminate Composites during Hydrogenation/Dehydrogenation

Autor: Nobuhiro Kuriyama, Hideaki Tanaka, Tamotsu T. Ueda, Nobuhiko Takeichi, Hiroshi Miyamura, Shiomi Kikuchi, Makoto Tsukahara, Koji Tanaka

Publikováno v: Materials Science Forum. :1593-1596

Mg-based laminate composites prepared by a repetitive-rolling method have a large hydrogen capacity as well as good kinetics and reversibility for hydrogen reaction. Mg/Pd laminate composite (Mg/Pd=6) can absorb a large amount of hydrogen up to 1.47

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::92480d194bae9096bcdfe0580dca8859
https://doi.org/10.4028/www.scientific.net/msf.561-565.1593

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Comparison between Mg/Cu Super-Laminates and Mg2Cu Powder in Microstructure and Hydrogen Storage Properties

Autor: Koji Tanaka, Makoto Tsukahara, Shiomi Kikuchi, Nobuhiko Takeichi, Hideaki Tanaka, Nobuhiro Kuriyama, Tamotsu T. Ueda, Hiroshi Miyamura

Publikováno v: Materials Science Forum. :1581-1584

Super-laminates have been attracting attention since co-authors Ueda et al. reported that Mg/Cu super-laminates showed reversible hydrogenation and dehydrogenation at 473K. The Mg/Cu super-laminates were prepared by a repetitive fold and roll method.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0ceb7809fa2dc24c8ebd1ecb5f52b03
https://doi.org/10.4028/www.scientific.net/msf.561-565.1581

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Preparation and hydrogen storage properties of Mg–Ni–Mg2Ni laminate composites

Autor: Makoto Tsukahara, Tamotsu T. Ueda, Shiomi Kikuchi, Yoshihisa Kamiya

Publikováno v: Journal of Alloys and Compounds. 386:253-257

A new method for producing laminated Mg–Ni binary hydrogen storage materials has been developed. This method is repetition of alternate stacking and cold rolling, combined with final heat treatment. Characterization of as-rolled specimens by SEM an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0077a752cc13395daac82d15279aa507
https://doi.org/10.1016/j.jallcom.2004.04.154

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Hydrogen Storage Properties, Metallographic Structures and Phase Transitions of Mg-based Alloys Prepared by Super Lamination Technique

Autor: Nobuhiro Kuriyama, Hiroshi Miyamura, Tamotsu T. Ueda, Shiomi Kikuchi, Makoto Tsukahara, Nobuhiko Takeichi, Koji Tanaka, Hideaki Tanaka

Publikováno v: MRS Proceedings. 1128

We have prepared Mg/Pd laminate composites with (Mg/Pd)=6, 3 and 2.5 atom ratios, by a super lamination technique. The homogeneous Mg-Pd intermetallic compounds, Mg6Pd, Mg3Pd and Mg5Pd2, are formed during the initial activation process. We investigat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1afe5ce086667c7006cbfe99bd6250af
https://doi.org/10.1557/proc-1128-u01-04

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