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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) · pp. 105–113

DOI
10.17146/aij.2009.49
ISSN
2356-5322, 0126-1568
Published
2011-12-12
Publisher
National Research and Innovation Agency
Language
eng
License
creativecommons.org/licenses/by-nc-sa/4.0

Abstract

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

Keywords

Collaboration network of the authors

40 authors · 72 co-authorship links · 7 across different organisations · showing the 40 most connected

Hover or tap a name to highlight its co-authors. Double-click to open the author's page.

  • Hasanuddin University
  • Universitas Halu Oleo
  • Universitas Muslim Buton
  • Indonesia University of Education
  • Universitas Islam Negeri Ar-Raniry
  • Affiliation unknown
  • Different organisations
  • Same organisation
  • Affiliation unknown
  • Thicker line = more joint articles · bigger circle = more articles
Show as table
Co-authorOrganisationJoint articles
Bambang WidarsonoAffiliation unknown3
Heru AtmokoAffiliation unknown3
Muhammad RifaiHasanuddin University3
Aan AsphiantoAffiliation unknown2
Khairan ARUniversitas Islam Negeri Ar-Raniry2
Mira MaisuraAffiliation unknown2
Kosasih KosasihAffiliation unknown2
Aulia Syarif AzizAffiliation unknown1
Muhammad IchsanAffiliation unknown1
Aminur AminurUniversitas Halu Oleo1
Abd. Rahman KadirUniversitas Halu Oleo1
Makkarennu MakkarennuHasanuddin University1
Sri wahyuni HarisHasanuddin University1
Hibnu NugrohoAffiliation unknown1
Austin Al HarizAffiliation unknown1
Ma'ruf Pambudi NurwantaraAffiliation unknown1
Farchan Arif RosadiAffiliation unknown1
Kania Mulia UtamiAffiliation unknown1
Aliyth PrakarsaAffiliation unknown1
Anas Aditya WijanarkoAffiliation unknown1
Ahmad Ghifari AlhasaniAffiliation unknown1
Reine RofianaAffiliation unknown1
Rinni DwiantariAffiliation unknown1
Salsabila Oktaria MirajAffiliation unknown1
La Ode KaharudinUniversitas Muslim Buton1
Dewi Asriani RidzalUniversitas Muslim Buton1
Haswan HaswanAffiliation unknown1
Veni RosnawatiAffiliation unknown1
Yandi YandiAffiliation unknown1
Ari WidodoIndonesia University of Education1
Amprasto AmprastoAffiliation unknown1
Cici Nur AzizahAffiliation unknown1
Riandi RiandiIndonesia University of Education1
Novita RestiAffiliation unknown1
Rizka Trian PalupyAffiliation unknown1
Atika WirdasariAffiliation unknown1
Huda HudaAffiliation unknown1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) https://atomindonesia.brin.go.id/index.php/aij/oai, first harvested 8 Nov 2026, last seen 8 Nov 2026.
Original metadata (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>
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	<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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