Preparation and structural, thermal and hydriding characteristics of melt-spun Mg-Ni alloys

G. Friedlmeier; M. Arakawa; T. Hirai; E. Akiba

doi:10.1016/S0925-8388(99)00285-6

Preparation and structural, thermal and hydriding characteristics of melt-spun Mg-Ni alloys

G. Friedlmeier, M. Arakawa, T. Hirai, E. Akiba

Research output: Contribution to journal › Article › peer-review

84 Citations (Scopus)

Abstract

Glassy, nanostructured and crystalline hydride-forming Mg_1-xNi_x alloys with five different compositions (0≤x≤0.33) were prepared by rapid quenching of the melt with the melt-spinning method. Glassy Mg-Ni alloys (Mg_0.87Ni_0.13 and Mg_0.84Ni_0.16) crystallize at around 438 K. During crystallization, an intermediate metastable Mg-Ni phase is formed. Hydrogen activation of these alloys requires temperatures and pressures above 663 K and about 1.5 MPa, respectively. Thereafter a very high storage capacity of nearly 6 mass% H was achieved with Mg_0.87Ni_0.13.

Original language	English
Pages (from-to)	107-117
Number of pages	11
Journal	Journal of Alloys and Compounds
Volume	292
Issue number	1-2
DOIs	https://doi.org/10.1016/S0925-8388(99)00285-6
Publication status	Published - Nov 15 1999
Externally published	Yes

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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10.1016/S0925-8388(99)00285-6

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abstract = "Glassy, nanostructured and crystalline hydride-forming Mg1-xNix alloys with five different compositions (0≤x≤0.33) were prepared by rapid quenching of the melt with the melt-spinning method. Glassy Mg-Ni alloys (Mg0.87Ni0.13 and Mg0.84Ni0.16) crystallize at around 438 K. During crystallization, an intermediate metastable Mg-Ni phase is formed. Hydrogen activation of these alloys requires temperatures and pressures above 663 K and about 1.5 MPa, respectively. Thereafter a very high storage capacity of nearly 6 mass% H was achieved with Mg0.87Ni0.13.",

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AU - Friedlmeier, G.

AU - Arakawa, M.

AU - Hirai, T.

AU - Akiba, E.

PY - 1999/11/15

Y1 - 1999/11/15

N2 - Glassy, nanostructured and crystalline hydride-forming Mg1-xNix alloys with five different compositions (0≤x≤0.33) were prepared by rapid quenching of the melt with the melt-spinning method. Glassy Mg-Ni alloys (Mg0.87Ni0.13 and Mg0.84Ni0.16) crystallize at around 438 K. During crystallization, an intermediate metastable Mg-Ni phase is formed. Hydrogen activation of these alloys requires temperatures and pressures above 663 K and about 1.5 MPa, respectively. Thereafter a very high storage capacity of nearly 6 mass% H was achieved with Mg0.87Ni0.13.

AB - Glassy, nanostructured and crystalline hydride-forming Mg1-xNix alloys with five different compositions (0≤x≤0.33) were prepared by rapid quenching of the melt with the melt-spinning method. Glassy Mg-Ni alloys (Mg0.87Ni0.13 and Mg0.84Ni0.16) crystallize at around 438 K. During crystallization, an intermediate metastable Mg-Ni phase is formed. Hydrogen activation of these alloys requires temperatures and pressures above 663 K and about 1.5 MPa, respectively. Thereafter a very high storage capacity of nearly 6 mass% H was achieved with Mg0.87Ni0.13.

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Preparation and structural, thermal and hydriding characteristics of melt-spun Mg-Ni alloys

Abstract

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