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(Nd, Dy)-Fe-B 소결자석의 성형조건에 따른 자기특성 변화
남궁석,이민우,한세준,장태석,NamKung, S.,Lee, M.W.,Han, S.J.,Jang, T.S. 한국분말야금학회 2012 한국분말재료학회지 (KPMI) Vol.19 No.1
In order to improve the remanence of (Nd, Dy)-Fe-B sintered magnets, we investigated the influence of compaction conditions such as packing density, applied field and green density on the magnetic properties. While the remanence decreased with increasing the packing density and green density, it increased with the increase of the applied field. In addition, XRD analysis revealed that the remanence was enhanced as the degree of powder alignment was improved. The green density was more influential on the remanence than the packing density and applied field.