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The Semi-Quantitative Study of Magnetization Process on Milling and Reannealing of Barium Hexaferrite (BaO.6Fe2O3)

Atom Indonesia · Vol. 35 No. 2 (2011) · hlm. 105–113

DOI
10.17146/aij.2009.49
ISSN
2356-5322, 0126-1568
Terbit
2011-12-12
Penerbit
National Research and Innovation Agency
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc-sa/4.0

Abstrak

Barium hexaferrite (BaO.6Fe2O3) is as a hard magnetic material with good chemical stability which has been intensively used as permanent magnet components. Many works have been done in order to improve their magnetic properties either through chemical process or powders metallurgy technique. In this work, commercial BaO.6Fe2O3 was milled using high-energy milling machine for 10, 20 and 30 hours and followed by reannealing for 3 hours at 1000⁰C in air. X-ray diffraction pattern indicate no phase decomposition occurred caused the mill processing, annealing of milled powders recovered the crystal system and promoted crystallite growth. The magnetic hysteresis curve measured by vibrating sample magnetometer (VSM) shows the coercivity of annealed BaO.6Fe2O3 increases to two times higher than the original one. By using Jiles-Atherton model, all the hysteresis parameters Ms, k, α, a and c, have been determined adopted to the Genetic Algorithm (GA). The analyzed hysteretic parameters obtained from this work is congruent to the change of magnetic properties of as-milled and annealed powders of barium hexaferrite.Received: 16 February 2009; Revised: 1 September 2009; Accepted: 23 November 2009

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  • Hasanuddin University
  • Universitas Halu Oleo
  • Universitas Muslim Buton
  • Indonesia University of Education
  • Universitas Islam Negeri Ar-Raniry
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Bambang WidarsonoAfiliasi tidak diketahui3
Heru AtmokoAfiliasi tidak diketahui3
Muhammad RifaiHasanuddin University3
Aan AsphiantoAfiliasi tidak diketahui2
Khairan ARUniversitas Islam Negeri Ar-Raniry2
Mira MaisuraAfiliasi tidak diketahui2
Kosasih KosasihAfiliasi tidak diketahui2
Aulia Syarif AzizAfiliasi tidak diketahui1
Muhammad IchsanAfiliasi tidak diketahui1
Aminur AminurUniversitas Halu Oleo1
Abd. Rahman KadirUniversitas Halu Oleo1
Makkarennu MakkarennuHasanuddin University1
Sri wahyuni HarisHasanuddin University1
Hibnu NugrohoAfiliasi tidak diketahui1
Austin Al HarizAfiliasi tidak diketahui1
Ma'ruf Pambudi NurwantaraAfiliasi tidak diketahui1
Farchan Arif RosadiAfiliasi tidak diketahui1
Kania Mulia UtamiAfiliasi tidak diketahui1
Aliyth PrakarsaAfiliasi tidak diketahui1
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Ahmad Ghifari AlhasaniAfiliasi tidak diketahui1
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Rinni DwiantariAfiliasi tidak diketahui1
Salsabila Oktaria MirajAfiliasi tidak diketahui1
La Ode KaharudinUniversitas Muslim Buton1
Dewi Asriani RidzalUniversitas Muslim Buton1
Haswan HaswanAfiliasi tidak diketahui1
Veni RosnawatiAfiliasi tidak diketahui1
Yandi YandiAfiliasi tidak diketahui1
Ari WidodoIndonesia University of Education1
Amprasto AmprastoAfiliasi tidak diketahui1
Cici Nur AzizahAfiliasi tidak diketahui1
Riandi RiandiIndonesia University of Education1
Novita RestiAfiliasi tidak diketahui1
Rizka Trian PalupyAfiliasi tidak diketahui1
Atika WirdasariAfiliasi tidak diketahui1
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Sumber metadata: OAI-PMH (metadata jurnal) https://atomindonesia.brin.go.id/index.php/aij/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">The Semi-Quantitative Study of Magnetization Process on Milling and Reannealing of Barium Hexaferrite (BaO.6Fe2O3)</dc:title>
	<dc:creator>Ridwan, Ridwan</dc:creator>
	<dc:creator>Mujamilah, Mujamilah</dc:creator>
	<dc:creator>Johan, A.</dc:creator>
	<dc:subject xml:lang="en-US">Barium hexaferrite, high-energy milling, magnetic properties, J-A model, XRD,VSM</dc:subject>
	<dc:description xml:lang="en-US">Barium hexaferrite (BaO.6Fe2O3) is as a hard magnetic material with good chemical stability which has been intensively used as permanent magnet components. Many works have been done in order to improve their magnetic properties either through chemical process or powders metallurgy technique. In this work, commercial BaO.6Fe2O3 was milled using high-energy milling machine for 10, 20 and 30 hours and followed by reannealing for 3 hours at 1000⁰C in air. X-ray diffraction pattern indicate no phase decomposition occurred caused the mill processing, annealing of milled powders recovered the crystal system and promoted crystallite growth. The magnetic hysteresis curve measured by vibrating sample magnetometer (VSM) shows the coercivity of annealed BaO.6Fe2O3 increases to two times higher than the original one. By using Jiles-Atherton model, all the hysteresis parameters Ms, k, α, a and c, have been determined adopted to the Genetic Algorithm (GA). The analyzed hysteretic parameters obtained from this work is congruent to the change of magnetic properties of as-milled and annealed powders of barium hexaferrite.Received: 16 February 2009; Revised: 1 September 2009; Accepted: 23 November 2009</dc:description>
	<dc:publisher xml:lang="en-US">National Research and Innovation Agency</dc:publisher>
	<dc:contributor xml:lang="en-US">National Nuclear Energy Agency of Indonesia</dc:contributor>
	<dc:date>2011-12-12</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
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	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://atomindonesia.brin.go.id/index.php/aij/article/view/49</dc:identifier>
	<dc:identifier>10.17146/aij.2009.49</dc:identifier>
	<dc:source xml:lang="en-US">Atom Indonesia; Vol 35, No 2 (2009): July 2009; 105-113</dc:source>
	<dc:source>2356-5322</dc:source>
	<dc:source>0126-1568</dc:source>
	<dc:source>10.17146/aij.2009.%x</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://atomindonesia.brin.go.id/index.php/aij/article/view/49/36</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2016 Atom Indonesia</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-nc-sa/4.0</dc:rights>
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