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Jurnal Keramik dan Gelas Indonesia
Published by Balai Besar Keramik
ISSN : 08545405     EISSN : 26228114     DOI : https://doi.org/10.32537/jkgi
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Materials Science & Nanotechnology
The JKGI contains papers of original research that provide or lead to fundamental principles in the science of ceramics, functional ceramics and ceramic-based composites. These articles include reports of the discovery of new phases, phase relationships, processing approaches and microstructures that relate to ceramic materials and processes. The articles establish the links between processing, structure characterization and properties of ceramics, including modeling approaches that are founded on basic mechanisms. All the published papers must be of enduring value and relevant to the field of ceramics.
Arjuna Subject : Ilmu Material (semua kategori) - Keramik dan Komposit
Articles 1 Documents
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Search results for , issue "Vol 24, No 2 (2015): Jurnal Keramik dan Gelas Indonesia" : 1 Documents clear
Density and Magnetic Properties of Barium Ferrite from BaFe12O19 Nanoparticles Prepared by Microemulsion Method Handoko Setyo Kuncoro; Naniek Sulistarihani; Ria Julyana Manullang; Maulid Purnawan; Ratih Resti Astari
Jurnal Keramik dan Gelas Indonesia Vol 24, No 2 (2015): Jurnal Keramik dan Gelas Indonesia
Publisher : Balai Besar Keramik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32537/jkgi.v24i2.2339

Abstract

The density and magnetic properties of barium ferrite from BaFe12O19 Nanoparticles prepared by microemulsion method have been studied by comparing with the properties of micro-scaled BaFe12O19 prepared by metallurgical method. The preceding preparation consists of emulsification process, mixing, aging, centrifuging/separation, drying, grinding, and calcination at temperature of 900 oC, which brings on  the BaFe12O19 nanoparticles powder as its final product. Then, the obtained powders have been formed at compaction pressure of 200 Kg/cm2 and sintered at temperature of 1100 oC. The indications of formed BaFe12O19 nanoparticles have been confirmed via XRD and TEM testings which their dimension sizes are under 100 nm. Based on density measurements, the density of barium ferrite prepared by microemulsion method is higher than that of by metalurgical method (i.e. 5,3 gr/ml). While, the permagraph examinations have indicated that both remanence magnetic induction (2.49 kOe) and maximum energy product values (0.47 MGOe) of barium ferrite prepared by microemulsion method are higher about 1.22 and 1.47 times, respectively.

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