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TiFe1-xMnx intermetallics (x=0, 0.15 and 0.3) were severely deformed by high-pressure torsion (HPT) to enhance their activation and air resistivity for hydrogenation. While the as-cast ingots hardly absorbed hydrogen (TiFe0.7Mn0.3 exhibited slow activation after an incubation period), the HPT-processed samples absorbed hydrogen quickly at room temperature even after air exposure. The improvement of...
Mg 50 Co 50 alloys were prepared by mechanical alloying. The formation of a body-centered cubic (bcc) structure was confirmed by X-ray and electron diffraction. This bcc alloy comprises nanometer-scale crystals, and absorbed H 2 with a capacity of 2.67mass% at 258K. The mechanism of the fabrication and enhanced hydrogen storage properties of the Mg 50 Co 50 ...
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