Physical Separation in Science and Engineering

Physical Separation in Science and Engineering / 2003 / Article

Open Access

Volume 12 |Article ID 506812 | https://doi.org/10.1080/1478647031000154234

N. R. Allen, "The Effect of Roasting Temperature on Ilmenite Particle Rotation Characteristics in a Rotating Magnetic Field", Physical Separation in Science and Engineering, vol. 12, Article ID 506812, 11 pages, 2003. https://doi.org/10.1080/1478647031000154234

The Effect of Roasting Temperature on Ilmenite Particle Rotation Characteristics in a Rotating Magnetic Field

Received24 Mar 2003
Accepted25 Apr 2003

Abstract

Individual ilmenite particle measurements of magnetic susceptibility and magnetic rotation index show that, as ilmenite roast temperatures increase, both the magnetic anisotropy and the coercive force increase. By around 650°C the particles are behaving magnetically, in magnetic fields up to 0.3 T as though they contain magnetic elements with a single unidirectional magnetic axis.The presence of some magnetic field, even that of the earth, during the cooling of ilmenite samples roasted above 500°C may be essential to the magnetising roast process.

Copyright © 2003 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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