1987
DOI: 10.1016/0022-5088(87)90502-9
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Hydriding and dehydriding characteristics of mechanically alloyed mixtures Mg-xwt.%Ni (x = 5, 10, 25 and 55)

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Cited by 98 publications
(44 citation statements)
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“…In particular, a great number of alloy designs based on the Mg-Ni binary alloy have been investigated following the report by Reilly and Wiswall [12] that Ni could improve hydriding-dehydriding kinetics and decrease the working temperature dramatically compared to pure Mg. Many studies focused on the change in hydriding-dehydriding properties of Mg-Ni binary alloys with compositional change and change in processing variables [13][14][15][16]. However, there has been little research on the relationship between microstructure and the hydriding-dehydriding properties of Mg-Ni binary alloys.…”
mentioning
confidence: 98%
“…In particular, a great number of alloy designs based on the Mg-Ni binary alloy have been investigated following the report by Reilly and Wiswall [12] that Ni could improve hydriding-dehydriding kinetics and decrease the working temperature dramatically compared to pure Mg. Many studies focused on the change in hydriding-dehydriding properties of Mg-Ni binary alloys with compositional change and change in processing variables [13][14][15][16]. However, there has been little research on the relationship between microstructure and the hydriding-dehydriding properties of Mg-Ni binary alloys.…”
mentioning
confidence: 98%
“…Song [15] studied the hydriding kinetics of a mechanically-alloyed mixture Mg-10 wt.%Ni, and reported that for its hydriding reaction at 575-615 K and 5.4-16.1 bar H 2 , the rate-controlling steps were the gas-phase mass transfer through the pores, cracks and interparticle channels, and the diffusion of hydrogen atoms through the growing hydride layer, which varied with the reacted fraction range. Song et al [14] also studied the dehydriding kinetics of a mechanically-alloyed mixture Mg-10 wt.%Ni and showed that, for its dehydriding reaction at 575-615K and 0.52-2.6 bar H 2 , the rate-controlling steps were the nucleation of an D-solid solution of hydrogen in Mg in the initial reacted fraction range, and the gas-phase mass transfer in the later reacted fraction ranges.…”
Section: Resultsmentioning
confidence: 99%
“…The hydriding and dehydriding kinetics of Mg can be improved, therefore, by a treatment such as mechanical alloying [14][15][16] which can facilitate nucleation by creating many defects on the surface and/or in the interior of Mg, or by the additive acting as active sites for nucleation, and shorten diffusion distances by reducing the effective particle sizes of Mg.…”
Section: Introductionmentioning
confidence: 99%
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“…The hydriding apparatus has been described previously [19]. The absorbed or desorbed hydrogen quantity was measured as a function of time by a volumetric method.…”
Section: Methodsmentioning
confidence: 99%