Effect of Co addition on nanocrystallization and soft magnetic properties of (Fe1−Co )73.5Cu1Nb3Si13.5B9 alloys

Measurements of magnetostriction of paramagnetic Fe–Mo–Cu–B metallic glasses

“…For (Fe-Co)B amorphous alloys in the Corich region the magnetostriction follows a similar trend to that of comparable crystalline alloys, whereas for Fe-rich alloys a different behaviour is observed. This phenomenon suggests a greater difference in short range order (SRO) between the amorphous and crystalline phases in Fe-rich alloys compared to that in Co-rich alloys [1]. The difference in SRO is also reflected in the Curie temperature.…”

Magnetically soft nanomaterials for high-temperature applications

“…From the manufacturing viewpoint it is more important what temperature of isothermal annealing should be selected to obtain the best soft magnetic properties. Here, it is observed that the increase of cobalt content lowers the optimum annealing temperature, from 540 to 460 • C (annealing for 1 h) [5]. The comparison of the optimum structure for each of the alloys proves that the more Co in an alloy, the less nanocrystalline bcc-Fe(Co,Si), although the first stage of crystallisation is not completed.…”

Magnetostriction Measurements of (Fe-Co)-Mo-Cu-B Alloys with Varying Atomic Fe/Co Ratio

“…The values obtained, measured at 300 K, are influenced also by the value of T C ; it can be expected that for the ratio of Co/Fe > 1 the values of the magnetostriction λ S would exhibit a decreasing character, similarly as in the case of Finemets or Hitperms with higher Co content [5,6].…”