The magnetostriction and magnetomechanical coupling (k) in the Fe73.5Cu1Nb3Si13.5B9 strips annealed from 300°C to 600°C were investigated. Values of k as high as 0.73 were observed. Magnetostriction dropped from 25×10−6 to 2.5×10−6. Nanocrystalline structure was observed.
Kaczkowski, Z., Vlasák, G., Duhaj, P., & Ruuskanen, P. (1998). Heat-treatment dependences of magnetostriction, magnetomechanical coupling and structure of Fe73.5Cu1Nb3Si13.5B7 alloy. Journal of Magnetism and Magnetic Materials, 185(1), 112-114. https://doi.org/10.1016/S0304-8853(97)00273-4