‘Moreelectricaircraft’technologynecessitatedimprovingthehightemperature mechanicalpropertiesofFeCo–Valloyswhile maintainingtheirexcellentmagneticproperties.FeCo–2Valloysofferthehighest saturationmagnetizationbutdonotmeettheyieldstrength andcreepresistancerequirements.Theaimofthispaperistoreviewtheinfluenceof alloyingelements,whichenhancethemechanical propertieswithoutsacrificingthemagneticproperties.Ouralloydevelopmentalefforts