Transverse magnetical stress of rapidly quenched NdFeB-ribbons

The authors investigated the transverse magnetic stress (TMS) of rapidly quenched NdFeB by measuring the theta -remanence for 0< theta 2750 kA/m. This result can be explained by interaction fields, where positive and negative interaction fields of more than 1000 kA/m must be assumed. It is suggested that the discrepancy between the 180 degrees remanence and the 90 degrees remanence is due to the magnetic hardness of the grains, which depends on the projection of the magnetizing field on the easy axis of the grain.<>