Hydrogenation of nanocrystalline Mg2Ni alloy prepared by high energy ball-milling followed by equal-channel angular pressing or cold rolling

ISSN 1121-7588

Ádám Révész¹, Marcell Gajdics¹, Lajos K. Varga², Tony Spassov³
¹Dept. Materials Physics, Eötvös University, Budapest, H-1518, P.O.B. 32, Budapest, Hungary
²Wigner Research Center for Physics, Institute for Solid State Physics and Optics of Hungarian Academy of Sciences, Budapest, Hungary
³Faculty of Chemistry, Univ. Sofia "St. Kl. Ohridski", 1 James Bourchier str, 1164 Sofia, Bulgaria

Abstract

Nanocrystalline Mg₂Ni powders produced by high energy ball milling (HEBM) were subjected to further severe plastic deformation by cold rolling (CR) or equal-channel angular pressing (ECAP). The microstructure of the alloys have been analysed by the Convolutional whole profile fitting method of the X-ray line profiles. The hydrogenation behavior has been studied by absorption kinetic measurements.

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