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Title: Evaluation of hysteresis loss for rubber-ferrite composites and estimation of magnetostrictive constant s) from loop parameters
Authors: Sindhu, S
Anantharaman, M R
Issue Date: Jul-2002
Publisher: NISCAIR-CSIR, India
Abstract: Rubber ferrite composites (RFCs) are flexible elastomer magnets. The flexibility and mouldability of these magnets are an added attraction as far as applications are considered. They are also potential microwave absorbers. RFCs can be prepared by the incorporation of ferrite fillers in rubber matrices. The evaluation of saturation magnetostrictive constant s) for RFCs poses always a problem since they are flexible and elastic in nature. So, alternate methods for the estimation of λs is necessary. This paper discusses the estimation of λs for ferrite fillers as well as for RFCs from hysteresis loop parameters by employing a simple relationship. The magnetostrictive constant (λs) for the ceramic fillers as well as the RFCs are estimated and are presented here. The results are compared.
Page(s): 495-500
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.40(07) [July 2002]

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