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EFFECT OF FIELD STRENGTH IN THE VELOCITY ANISOTROPY OF FERROFLUIDS

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Author(s): B. Samuel Ebinezer | L. Palaniappan

Journal: Journal of Physical Science
ISSN 1675-3402

Volume: 18;
Issue: 2;
Start page: 1;
Date: 2007;
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Keywords: Ultrasonic velocity | ferrofluid | magnetic field | grain-grain interaction | grain-field interaction

ABSTRACT
Ultrasonic velocity measurements were made on the starch coated magnetite particles in aqueous carrier under various external magnetic field strength. Density values are presented under no field condition and a few acoustical parameters were calculated. All the observations are interpreted in terms of grain-grain interaction and grain-field interaction that exist in the system. The field strength is found to enhance the structural formation in the system irrespective of its direction.
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