Magnesium-Nickel alloy for hydrogen storage produced by melt spinning followed by cold rolling
Severe plastic deformation routes (SPD) have been shown to be attractive for short time preparation of magnesium alloys for hydrogen storage, generating refined microstructures and interesting hydrogen storage properties when compared to the same materials processed by high-energy ball milling (HEBM), but with the benefit of higher air resistance. In this study, we present results of a new processing route for Mg alloys for hydrogen storage: rapid solidification followed by cold work. A Mg97Ni3 alloy was processed by melt spinning (MS) and by extensive cold rolling (CR). Submitting Mg97Ni3 ribbons between steel plates to cold rolling has shown to be a viable procedure, producing a thin cold welded foil, with little material waste. The as-processed material presents a high level of [002] fiber texture, a sub microcrystalline grain structure with a high density of defects, and also a fine dispersion of Mg2Ni nanoparticles. This refined microstructure allied to the developed texture resulted in enhanced activation and H-sorption kinetics properties.
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ABM, ABC, ABPol
2012
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oai:scielo:S1516-143920120005000222012-09-18Magnesium-Nickel alloy for hydrogen storage produced by melt spinning followed by cold rollingLeiva,Daniel RodrigoCosta,Hevlin Cristina de AlmeidaHuot,JacquesPinheiro,Tiago SantosJorge Junior,Alberto MoreiraIshikawa,Tomaz ToshimiBotta Filho,Walter José hydrogen storage materials metal hydrides severe plastic deformation Severe plastic deformation routes (SPD) have been shown to be attractive for short time preparation of magnesium alloys for hydrogen storage, generating refined microstructures and interesting hydrogen storage properties when compared to the same materials processed by high-energy ball milling (HEBM), but with the benefit of higher air resistance. In this study, we present results of a new processing route for Mg alloys for hydrogen storage: rapid solidification followed by cold work. A Mg97Ni3 alloy was processed by melt spinning (MS) and by extensive cold rolling (CR). Submitting Mg97Ni3 ribbons between steel plates to cold rolling has shown to be a viable procedure, producing a thin cold welded foil, with little material waste. The as-processed material presents a high level of [002] fiber texture, a sub microcrystalline grain structure with a high density of defects, and also a fine dispersion of Mg2Ni nanoparticles. This refined microstructure allied to the developed texture resulted in enhanced activation and H-sorption kinetics properties.info:eu-repo/semantics/openAccessABM, ABC, ABPolMaterials Research v.15 n.5 20122012-10-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392012000500022en10.1590/S1516-14392012005000096 |
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Leiva,Daniel Rodrigo Costa,Hevlin Cristina de Almeida Huot,Jacques Pinheiro,Tiago Santos Jorge Junior,Alberto Moreira Ishikawa,Tomaz Toshimi Botta Filho,Walter José |
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Leiva,Daniel Rodrigo Costa,Hevlin Cristina de Almeida Huot,Jacques Pinheiro,Tiago Santos Jorge Junior,Alberto Moreira Ishikawa,Tomaz Toshimi Botta Filho,Walter José Magnesium-Nickel alloy for hydrogen storage produced by melt spinning followed by cold rolling |
author_facet |
Leiva,Daniel Rodrigo Costa,Hevlin Cristina de Almeida Huot,Jacques Pinheiro,Tiago Santos Jorge Junior,Alberto Moreira Ishikawa,Tomaz Toshimi Botta Filho,Walter José |
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Leiva,Daniel Rodrigo |
title |
Magnesium-Nickel alloy for hydrogen storage produced by melt spinning followed by cold rolling |
title_short |
Magnesium-Nickel alloy for hydrogen storage produced by melt spinning followed by cold rolling |
title_full |
Magnesium-Nickel alloy for hydrogen storage produced by melt spinning followed by cold rolling |
title_fullStr |
Magnesium-Nickel alloy for hydrogen storage produced by melt spinning followed by cold rolling |
title_full_unstemmed |
Magnesium-Nickel alloy for hydrogen storage produced by melt spinning followed by cold rolling |
title_sort |
magnesium-nickel alloy for hydrogen storage produced by melt spinning followed by cold rolling |
description |
Severe plastic deformation routes (SPD) have been shown to be attractive for short time preparation of magnesium alloys for hydrogen storage, generating refined microstructures and interesting hydrogen storage properties when compared to the same materials processed by high-energy ball milling (HEBM), but with the benefit of higher air resistance. In this study, we present results of a new processing route for Mg alloys for hydrogen storage: rapid solidification followed by cold work. A Mg97Ni3 alloy was processed by melt spinning (MS) and by extensive cold rolling (CR). Submitting Mg97Ni3 ribbons between steel plates to cold rolling has shown to be a viable procedure, producing a thin cold welded foil, with little material waste. The as-processed material presents a high level of [002] fiber texture, a sub microcrystalline grain structure with a high density of defects, and also a fine dispersion of Mg2Ni nanoparticles. This refined microstructure allied to the developed texture resulted in enhanced activation and H-sorption kinetics properties. |
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ABM, ABC, ABPol |
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2012 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392012000500022 |
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