Abstract
This paper describes the use of hydrogen in the processing of Sm 2 Fe 17 N x powders with good coercivity. The hydrogen absorption and desorption behavior of the compound Sm 2 Fe 17 was studied. Green compacts of Sm 2 Fe 17 powders were heat-treated in hydrogen at 600 to 1000°C, and the latter decomposed into ?-Fe and samarium hydrides. Samples underwent dehydrogenation by subsequent heat treatment in vacuum, resulting in the reformation of the Sm 2 Fe 17 phase.
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