Bhattacharya, D K and Vaidyanathan, S (1997) Effect of the demagnetisation factor on the Barkhausen noise signal. Journal of Magnetism and Magnetic Materials, 166 (1-2). pp. 111-116.
Full text not available from this repository. (Request a copy)Abstract
In the presence of a demagnetisation factor, a splitting of the magnetic Barkhausen noise (MBN) signal distribution was observed in the form of two peaks during a slowly varying magnetisation sweep through specimens of an alloy steel. On the other hand, for closed field magnetisation, a single peak was observed at the coercivity point. The demagnetisation factor was introduced by solenoid coil magnetisation and by providing air gaps in specimens magnetised by a ‘U’-shaped yoke. The results show the importance of a standard mode of magnetisation. The splitting is explained in terms of the unimpeded growth of nucleated domains in the early period of the magnetic sweep.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Barkhausen noise; Demagnetisation factor |
| Subjects: | Materials Science |
| Divisions: | Material Science and Technology |
| Depositing User: | Users 5 not found. |
| Date Deposited: | 14 May 2010 06:17 |
| Last Modified: | 14 Dec 2011 05:13 |
| URI: | http://ictu2016-114.nmlindia.org/id/eprint/510 |
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