Hi,
We are looking for referenced data on magnetic permeability (mu) of pure Co and Ni and their dependency on Temperature. There are a discrepancy in the published data giving mu Ni greater than mu Co or the inverse see attached.
Here are our conditions: We need these data for modelling RF induction heating of thin (125 microns) metal foils at T 1050°C in a magnetic field of 100-200 Gauss at 200 kHz.
Thanks for your help
Dear Samir Farhat, cited below is an article dealing with the magnetic permeability of pure cobalt. The paper is available on RG.
Article Studies of Magnetic Properties and GHz Permeability of Pure ...
Dear Dr. Samir Farhat,
the paper suggested by Dr. Frank T. Edelmann ,
-STUDIES OF MAGNETIC PROPERTIES AND GHz PERMEABILITY OF PURE AMORPHOUS COBALT THIN FILMS
DONGMAO JIAO, JIANGONG LI, XUDONG ZHANG and SHU WANG
Modern Physics Letters BVol. 22, No. 07, pp. 527-534 (2008)
Is now available at: https://www.worldscientific.com/doi/10.1142/S0217984908014973
whereas I suggest to have a look at the following paper/note about magnetic permeability of pure Ni (..and other elements):
-Microwave Characterization of Nickel
Stepan Lucyszyn
PIERS ONLINE,VOL. 4,NO. 6 (2008)
Available at: http://www.piers.org/piersonline/pdf/Vol4No6Page686to690.pdf
-Magnetic Properties of Ferromagnetic Materials
Available at: http://hyperphysics.phy-astr.gsu.edu/hbase/Tables/magprop.html
Best regards, Pierluigi Traverso.
Please give your email Mr Farhat, I'll send you the paper suggesed by Frank T. Edelmann if you have not this paper.
regards,
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