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Formation of Intermetallic Compound in Super-laminated Mg/Al Composite and its Hydrogenation Properties

Published online by Cambridge University Press:  31 January 2011

Hiroshi Miyamura
Affiliation:
miyamura@mat.usp.ac.jp, The University of Shiga Prefecture, Materials Science, Hikone, Japan
Chisa Goh
Affiliation:
go0908@k.vodafone.ne.jp, The University of Shiga Prefecture, Materials Science, Hikone, Shiga, Japan
Shiomi Kikuchi
Affiliation:
kikuchis@mat.usp.ac.jp, The University of Shiga Prefecture, Materials Science, Hikone, Shiga, Japan
Nobuhiko Takeichi
Affiliation:
ntakeichi@aist.go.jp, AIST, Kansai, Ikeda, Osaka, Japan
Koji Tanaka
Affiliation:
koji.tanaka@aist.go.jp, AIST, Kansai, Ikeda, Osaka, Japan
Hideaki Tanaka
Affiliation:
tanaka.hide@aist.go.jp, AIST, Kansai, Ikeda, Osaka, Japan
Nobuhiro Kuriyama
Affiliation:
kuriyama-n@aist.go.jp, AIST, Kansai, Ikeda, Osaka, Japan
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Abstract

Compound formation properties of very finely layered Mg/Al laminate composite (“super laminate composite”) were investigated. Almost uniform Mg17Al12 compound was obtained by heat treatment of the super laminate at 673K in less than 0.6ks(10 minutes). The rate control process of the compound formation is thought to be the diffusion of Mg in Al. Hydrogenation properties of thus obtained Mg17Al12 compound were also studied and its absorption capacity and dissociation pressure were almost the same as those previously reported material, which was prepared by a longer time heat treatment.

Type
Research Article
Copyright
Copyright © Materials Research Society 2010

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