Effect of Particle Size on Maximum Energy Product of Wastederived Ferrites

Hai Song Woon, Lay Sheng Ewe, K. P. Lim, I. Ismail, C. Y. Tan, Y. W. Wong

Research output: Contribution to journalConference article

Abstract

Ferrite is an important component for electric motors, loud-speakers, EMI suppressors and transformer core. Hematite (Fe2O3) and strontium carbonate are commonly used to prepare ferrite. In this work, waste-derived hematite powder was milled using ball mill, high-energy milling and high-energy blender and the powder size was observed. The samples was further filtered according to different particle size, namely mesh 20, mesh 100 and mesh 400, and used as starting materials in the synthesis of strontium hard ferrites. Maximum energy product (BH)max of the ferrites was analyzed by a B-H tracer. The results showed that the maximum energy product is significantly affected by particle size of the starting materials. As anticipated, the maximum energy product is inversely proportional to the particle size and the hard ferrite produced by high-energy blender obtained 0.99 MGOe. With that, it is confirmed that permanent magnets derived from waste materials is also affected by its particle size. Other magnetic properties such as remanence and coercivity are also reported in this paper.

Original languageEnglish
Article number012058
JournalJournal of Physics: Conference Series
Volume1083
Issue number1
DOIs
Publication statusPublished - 10 Sep 2018
Event6th International Conference of Solid State Science and Technology and Workshop on Advanced Materials Technology: Growth and Characterization, ICSSST AMTGC 2017 - Penang, Malaysia
Duration: 13 Nov 201716 Nov 2017

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ferrites
products
mesh
hematite
strontium
energy
electric motors
suppressors
remanence
permanent magnets
transformers
coercivity
tracers
balls
carbonates
magnetic properties
synthesis

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

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title = "Effect of Particle Size on Maximum Energy Product of Wastederived Ferrites",
abstract = "Ferrite is an important component for electric motors, loud-speakers, EMI suppressors and transformer core. Hematite (Fe2O3) and strontium carbonate are commonly used to prepare ferrite. In this work, waste-derived hematite powder was milled using ball mill, high-energy milling and high-energy blender and the powder size was observed. The samples was further filtered according to different particle size, namely mesh 20, mesh 100 and mesh 400, and used as starting materials in the synthesis of strontium hard ferrites. Maximum energy product (BH)max of the ferrites was analyzed by a B-H tracer. The results showed that the maximum energy product is significantly affected by particle size of the starting materials. As anticipated, the maximum energy product is inversely proportional to the particle size and the hard ferrite produced by high-energy blender obtained 0.99 MGOe. With that, it is confirmed that permanent magnets derived from waste materials is also affected by its particle size. Other magnetic properties such as remanence and coercivity are also reported in this paper.",
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Effect of Particle Size on Maximum Energy Product of Wastederived Ferrites. / Woon, Hai Song; Ewe, Lay Sheng; Lim, K. P.; Ismail, I.; Tan, C. Y.; Wong, Y. W.

In: Journal of Physics: Conference Series, Vol. 1083, No. 1, 012058, 10.09.2018.

Research output: Contribution to journalConference article

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AU - Ewe, Lay Sheng

AU - Lim, K. P.

AU - Ismail, I.

AU - Tan, C. Y.

AU - Wong, Y. W.

PY - 2018/9/10

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