Abstract
Thin grain-oriented silicon steels are well known to have very low iron losses. A continuous annealing method was used to obtain along (over 1m) thin grain-oriented silicon steels. As a result, thin grainoriented silicon steels 40μm thick and 1m long were obtained. The annealing temperature was 1423K and the sample speed was 0.7∼2.1mm/s. The annealing time needed to complete the recrystallization of (110)[001] grains was only a few minutes. However, the grain size of the sample was not uniform. Therefore, the magnetic properties depend on the position of the sample.
