UNSPECIFIED (1997) Magnetic Co2Y ferrite, Ba2Co2Fe12O22 fibres produced by a blow spun process. JOURNAL OF MATERIALS SCIENCE, 32 (2). pp. 365-368. ISSN 0022-2461

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Abstract

Gel fibres of Co2Y, Ba2Co2Fe12O22, were blow spun from an aqueous inorganic sol and calcined at temperatures of up to 1200 degrees C. The ceramic fibres were shown by X-ray diffraction to form crystalline Co2Y at 1000 degrees C, and surface area and porosity measurements indicated an un usually high degree of sintering at this temperature. The fibres also demonstrated a small grain size of 1-3 mu m across the hexagonal plane and 0.1-0.3 mu m thickness at 1000 degrees C. This only increased to 3 mu m in diameter and 1 mu m thickness even at temperature up to 1200 degrees C. The fibrous nature combined with the improved microstructures could be an important factor in improving the magnetic properties of this material.

Item Type:	Journal Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Journal or Publication Title:	JOURNAL OF MATERIALS SCIENCE
Publisher:	CHAPMAN HALL LTD
ISSN:	0022-2461
Date:	15 January 1997
Volume:	32
Number:	2
Number of Pages:	4
Page Range:	pp. 365-368
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/18045

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