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《Rare Metal Materials and Engineering》 2007-06
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Effects of Neodymium Content on Hydrogen-Storage Properties of Mg-Cu-Nd Amorphous Alloys

Huang Linjun,Liang Gongying,Sun Zhanbo (Xi’an Jiaotong University,Xi’an 710049,China)  
Amorphous and nanocrystalline Mg-based alloys (Mg65Cu25)100-xNdx (x=2,5,7,10) were prepared by melt-spinning. The microstructure of the as-quenched ribbons was characterized and the hydriding properties of these alloys were measured. The experiment results show that the as-quenched amorphous (Mg65Cu25)93Nd7 alloy display the best hydriding properties (hydriding kinetics and hydrogen absorption capacity),its maximum hydrogen capacity is 3.0 wt%H. The nanocrystalline (Mg65Cu25)98Nd2 alloy shows slower hydriding kinetics and lower hydrogen absorption capacity compared to the other Mg-Cu-Nd amorphous alloys. It is conformed that the glass-forming ability becomes strong with the increase of neodymium for the as-quenched (Mg65Cu25)100-xNdx alloys,which leads to the high H-capacity.
【Fund】: Supported by the Doctoral Foundation of Xi’an Jiaotong University (DFXJTU-200516);; National Natural Science Foundation of China (50371066)
【CateGory Index】: TG139.7
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