Hydrogenation of Nd-Fe-B magnet powder under a high pressure of hydrogen
classification
❄️ cond-mat.mtrl-sci
keywords
hydrogenhydrogenationheat-treatmenthighnd2fe14bndh2pressuretime
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The hydrogenation of Nd2Fe14B under a high pressure of hydrogen has been investigated for the first time. At the heat-treatment temperature of 600 degree C, the almost complete decomposition of Nd2Fe14B into NdH2+x and alpha-Fe is observed, although a rather long heat-treatment time is necessary to achieve the sufficient hydrogenation. The desorption of hydrogen from NdH2+x does not occur in the furnace-cooling process.
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