Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 586, Issue -, Pages S405-S408Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2013.03.106
Keywords
Mg hydride; Hydrogen storage; ECAP; Cold-rolling
Categories
Funding
- FAPESP
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Commercial Mg was processed by two combined processes: ECAP and cold rolling. Samples were first processed by ECAP for four passes using route Bc, at 300 degrees C and ram speeds of 3 and 25 mm/min. The ECAPed samples were cold-rolled in several passes. The cold rolled samples, which presented a favorable (002) texture, presented faster hydrogen absorption kinetic than the just ECAPed samples. No significant changes of desorption temperatures were found. The good results observed in the ECAPed plus cold rolled samples were explained by the acquired preferred orientation and by the increase of defects after cold rolling. (C) 2013 Elsevier B.V. All rights reserved.
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