000856723 001__ 856723 000856723 005__ 20210129235351.0 000856723 0247_ $$2doi$$a10.1088/2053-1591/aab7aa 000856723 0247_ $$2WOS$$aWOS:000428807900001 000856723 037__ $$aFZJ-2018-06074 000856723 082__ $$a620 000856723 1001_ $$0P:(DE-HGF)0$$aPérigo, Élio A$$b0$$eCorresponding author 000856723 245__ $$aEffect of annealing conditions on the microstructure and magnetic properties of sintered Nd-Fe-B magnets as seen by magnetic small-angle neutron scatteringml 000856723 260__ $$aBristol$$bIOP Publ.$$c2018 000856723 3367_ $$2DRIVER$$aarticle 000856723 3367_ $$2DataCite$$aOutput Types/Journal article 000856723 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1542896237_6311 000856723 3367_ $$2BibTeX$$aARTICLE 000856723 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000856723 3367_ $$00$$2EndNote$$aJournal Article 000856723 520__ $$aWe have investigated the effect of the annealing conditions (heating rate and temperature) on themagnetic microstructure of sintered Nd-Fe-B magnets by means of magnetometry, scanning electronmicroscopy, high-energy synchrotron x-ray diffraction, and small-angle neutron scattering (SANS).While the temperature treatment has a strong effect on the coercivity (reduction by about 50% onannealing), the associated changes in the microstructure do surprisingly not show up (or at best onlyvery weakly) in the neutron-scattering signal, which probes a mesoscopic real-space length scaleranging between about 1–300 nm. On the other hand, the x-ray data reveal microstructural changes inthe Nd-rich phases, presumably due to modifications in grain-boundary regions. 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