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The Magnetostriction Coefficients of Nickel
D. I. Bower
Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences
Vol. 326, No. 1564 (Dec. 21, 1971), pp. 87-96
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/77907
Page Count: 10
You can always find the topics here!Topics: Coefficients, Magnetostriction, Anisotropy, Magnetic fields, Room temperature, Magnetism, Magnetization, Magnets, Nickel, Temperature dependence
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Measurements of the magnetostriction have been made, by means of the strain gauge technique, at room temperature, and at 79 and 5 K, and the results have been analysed in terms of the usual five-coefficient expression for a cubic crystal. The lack of parallelism between the applied magnetic field and the magnetization, due to the magnetic anisotropy, was allowed for by a method which enabled values of the anisotropy coefficients K1,K2 and K3 to be deduced. The magnetostriction coefficients h3 and h5 are zero within the experimental uncertainties at all three temperatures and h3 is certainly too small to produce any significant contribution to K1. The temperature dependence of h1 and h2 cannot be described by the theory of Callen & Callen (1963).
Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences © 1971 Royal Society