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http://dx.doi.org/10.4283/JKMS.2003.13.1.029

Properties of Sr-Ferrites Prepared by Spark Plasma Sintering Process  

Roh, J.S. (금오공과대학교 신소재시스템공학부)
Oh, M.H. (금오공과대학교 신소재시스템공학부)
Publication Information
Journal of the Korean Magnetics Society / v.13, no.1, 2003 , pp. 29-35 More about this Journal
Abstract
Anisotropic Sr-ferrites were prepared by the spark plasma sintering process (SPS). The Ferrite particles were oriented and densified during sintering process, and the anisotropic ferrites were manufactured at low sintering temperature and a remarkable short time processing by SPS method. It was showed that the anisotropy of ferrite particles at the specimen outer side was more higher than that at the specimen center, and it seems possible that the orientation of ferrite particles was related to DC current. Magnetic and physical properties of sintered Sr-ferrites are Br = 3.15 kG, iHc : 2.67 kOe, and density : 5.033 g/cm$^3$ when the samples were sintered for 8 minutes at 106$0^{\circ}C$.
Keywords
SPS (Spark plasma sintering); Sr-ferrite; Anisotropy; Orientation;
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