Abstract:
Fe
100-x-yCr
xB
y(
x=11-20,
y=9-20) amorphous ribbons with low Curie point and high saturation magnetization, which could be applied in anti-icing in transmission lines, were prepared by rapid-quenching with various technological parameters. Experimental results show that the Curie temperatures of Fe
65Cr
15B
20 and Fe
64Cr
16B
20 amorphous ribbons are 28.6 and 11.6℃, while the saturation magnetizations of Fe
65Cr
15B
20 and Fe
64Cr
16B
20 amorphous ribbons are 0.69 and 0.62 T at 0℃, respectively. Magnetocaloric effects of Fe
65Cr
15B
20 and Fe
64Cr
16B
20 amorphous ribbons were approximately measured and analyzed by using a self-designed apparatus on the basis of the near heat-insulation method.