Hydrogen Activation Behavior of Commercial Magnesium Processed by Different Severe Plastic Deformation Routes

Daniel Rodrigo Leiva; Jacques Huot; Tomaz Toshimi Ishikawa; Claudemiro Bolfarini; Claudio Shyinti Kiminami; Alberto Moreira Jorge; Walter José Botta Filho

doi:10.4028/www.scientific.net/MSF.667-669.1047

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HomeMaterials Science ForumMaterials Science Forum Vols. 667-669Hydrogen Activation Behavior of Commercial...

Hydrogen Activation Behavior of Commercial Magnesium Processed by Different Severe Plastic Deformation Routes

Abstract:

Severe plastic deformation (SPD) techniques are being considered as low cost processing routes for Mg alloys, aiming hydrogen storage applications. The main objective is to develop air-resistant materials, with lower specific surface area in comparison with ball-milled powders, but with still attractive H-sorption kinetics associated to the microstructural refinement. In this study, the effects of different SPD processing routes (high-pressure torsion, extensive cold rolling and cold forging) in the hydrogen activation behavior of Mg was evaluated. The results show that both microstructural and textural aspects should be controlled during SPD processing to obtain Mg alloys with good H-sorption properties and enhanced activation kinetics.

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Periodical:

Materials Science Forum (Volumes 667-669)

Pages:

1047-1051

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.667-669.1047

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Online since:

December 2010

Authors:

Daniel Rodrigo Leiva, Jacques Huot, Tomaz Toshimi Ishikawa, Claudemiro Bolfarini, Claudio Shyinti Kiminami, Alberto Moreira Jorge, Walter José Botta Filho

Keywords:

Hydrogen Storage, Magnesium, Severe Plastic Deformation (SPD)

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