A reliable route for relieving the constraints of multi-main-phase Nd–La–Ce–Fe–B sintered magnets at high La–Ce substitution: (Pr, Nd)H grain boundary diffusion
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DOI: 10.1016/j.scriptamat.2020.04.047
Abstract: Abstract Massive rare earth oxides inevitably form at high La-Ce substitution, causing inadequate liquid-phase-sintering, direct exchange coupling of ferromagnetic grains, obscure core-shell morphology and severe coercivity degradation of multi-main-phase (MMP) Nd-La-Ce-Fe-B sintered magnets. To fully… read more here.
Keywords: multi main; phase; grain boundary; main phase ... See more keywords