UNSPECIFIED (2000) A method for the preparation of aligned fibre samples for magnetic measurement using VSM. [Journal Item]

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Abstract

Ceramic vibrating sample magnenometer (VSM) samples are usually in the form of a sintered monolith, a sintered pressed pellet, or a powder set in a resin or wax. The problem of mounting an aligned fibre sample, so that it retains alignment whilst remaining fixed in place as it is vibrated in a large magnetic field, was addressed for the first time. The most successful sample preparation method involved the formation of a flat, square composite sample through impregnation of the fibre with a fast-setting resin. Such aligned fibre samples had a fibre volume fraction of 3-4%, but random fibre samples were also prepared, forming a much denser composite with typically 10 times as much fibre in the sample. The magnetic properties of a range of polycrystalline hexagonal ferrite fibres prepared by this method, and the effects of fibre alignment upon those properties, are currently being published in a series of articles. (C) 2000 Elsevier Science B.V. All rights reserved.

Item Type:	Journal Item
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics
Journal or Publication Title:	JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Publisher:	ELSEVIER SCIENCE BV
ISSN:	0304-8853
Date:	July 2000
Volume:	218
Number:	1
Number of Pages:	4
Page Range:	L1-L4
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/13202

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