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Saša Novak & Spomenka Kobe Beseničar

Grain size analysis of Sr-hexaferrites

(Volume 12 (1993) — Number 1 - Sep. 1993)
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Abstract

The quantitative analysis of exaggerated Sr-hexaferrite grains which are randomly oriented in a matrix of small grains is described. The images for analysis were prepared by means of optical microscopy (polarized light) and computer processing. The lengths of the main and perpendicular axes, as well as the aspect ratio of individual grains oriented parallel to the plane of polishing were measured. Due to the much better image contrast obtained and improved ability to identify grain boundaries, the accuracy of measurement is highly increased.

Keywords : aspect ratio, image processing, polarization, Sr – hexaferrites

Pour citer cet article

Saša Novak & Spomenka Kobe Beseničar, «Grain size analysis of Sr-hexaferrites», Acta Stereologica [En ligne], Volume 12 (1993), Number 1 - Sep. 1993, 49-57 URL : https://popups.uliege.be/0351-580x/index.php?id=1391.

A propos de : Saša Novak

“J. Stefan” Institute, University of Ljubljana, Jamova 39, 61000 Ljubljana, Slovenia

A propos de : Spomenka Kobe Beseničar

“J. Stefan” Institute, University of Ljubljana, Jamova 39, 61000 Ljubljana, Slovenia