Magnetostriction field-annealing effects

Different field-annealing effects on the magnetostriction are evident across the whole composition range, as summarised in fig. 19. For the Co-rich alloys, b increases... 

It is well known that the substitution of Dy for Tb gives rise to an increase of the magnetostriction at low magnetic fields, through the reduction of the saturation field. It is, however, also accompanied by a reduction of the saturation magnetostriction. The Co substitution in the R-(Fe,Co) alloys, in combination with the effects of field annealing,... 

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