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in this paper, the synthesis and hydrogen storage behavior of new mgvcr bcc and mgtivcrfe high‐entropy alloys have been studied. the alloys were initially synthesized by mechanical alloying via high‐energy ball milling (hebm) under hydrogen atmosphere followed by the high‐pressure torsion (hpt) processing in order to improve the activation.
Get Pricein this study aluminum sulfate 18‐hydrate al 2 so 4 3 ·18h 2 o particles of different sizes which were obtained via high‐energy ball‐milling technology were successfully compounded with acrylonitrile–butadiene rubber nbr to fabricate crosslinked rubber composites the results suggest that high‐energy ball milling had no significant
Get Pricewe investigated the mechanosynthesis of gadolinium iron garnet by high‐energy ball milling stoichiometry amounts of α‐fe 2 o 3 and gd 2 o 3, followed by short thermal annealings conducted at moderate temperatures.x‐ray diffraction and möss spectroscopy results revealed, for the as‐milled samples, the formation of the gdfeo 3 perovskite phase, in relative amounts that depend on
Get Pricefor example, the energy produced for hydropower turbines, wind turbines and solar panels are not efficiently storage at moments in high consumption. the hydrogen is an promising energetic vector that allows the use energy in a sustainable and renewable way, however, the hydrogen storage
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Get Pricewe investigated the mechanosynthesis of gadolinium iron garnet by high‐energy ball milling stoichiometry amounts of α‐fe 2 o 3 and gd 2 o 3, followed by short thermal annealings conducted at moderate temperatures.x‐ray diffraction and möss spectroscopy results revealed, for the as‐milled samples, the formation of the gdfeo 3 perovskite phase, in relative amounts that depend on
Get Priceball milling under inert atmosphere; and (ii) reactive ball milling under hydrogen pressure. the results show that some compositions when reactive ball milled under hydrogen pressure form a multi element fcc phase containing up to 1.2 wt.% of hydrogen. the same compositions when processed by high energy ball milling under inert atmosphere form a
Get Priceball milling and cryomilling significantly reduce the particle/crystallite sizes with most of the reduction occurring during the first 15 min of milling. in addition, ball milling produced particle agglomeration which increases with milling times. (2) high energy milling at room temperature improves the initial hydrogenation kinetics of
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