Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics
Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics | Vol.2

Pembuatan dan Karakterisasi Keramik Magnet BaFe12O19 dengan Variasi Waktu Milling dan Temperatur Sintering

Syaiful Izzuddin Salam (Program Studi Fisika, Fakultas Sains dan Teknologi, Universitas Islam Negeri Syarif Hidayatullah Jakarta, Jalan. Ir. H. Djuanda No.95, Cempaka Putih, Ciputat, Kota Tangerang Selatan, Banten 15412, Indonesia)
Edi Sanjaya (Program Studi Fisika, Fakultas Sains dan Teknologi, Universitas Islam Negeri Syarif Hidayatullah Jakarta, Jalan. Ir. H. Djuanda No.95, Cempaka Putih, Ciputat, Kota Tangerang Selatan, Banten 15412, Indonesia)
Muljadi Muljadi (Pusat Penelitian Fisika LIPI)



Article Info

Publish Date
22 Jun 2019

Abstract

In this study, we made ceramic magnet of barium hexaferrite (BaFe12O19) with variation of milling time and sintering temperature by powder metallurgy method. First, barium hexaferrite powder mashed with a rotary ball mill. Milling is done with medium of water (wet milling) for 4 hours and 12 hours. Then, the sample is dried for 24 hours and printed with a load of 8 tons for 1 minute. Then, the pellet-shaped sample sintered at a temperature of 1100 °C and 1200 °C with a holding time of 1 hour. The density and porosity measurements were carried out using the Archimedes Method, phase analysis with XRD, and magnetic flux density using gaussmeter. The highest density were found in samples that were milled for 12 hours and sintered at the temperature of 1200 °C ie 4.495 gr/cm3. In that sample also obtained the lowest porosity  0.89%. From XRD analysis, we knew that hematite (Fe2O3) was found as impurity phase. From gaussmeter, the samples with the highest magnetic flux density were found in samples that were milled for 4 hours and sintered at a temperature of 1200 °C ie 410.3 G.

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Journal Info

Abbrev

al-fiziya

Publisher

Subject

Earth & Planetary Sciences Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

Description

Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics is a journal of physics that published by Departement of Physics, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta. The aim of the journal is to disseminate the researches done by ...