Influence of low Co substitution on magnetoelastic properties of HoFe11Ti intermetallic compound

► Magnetostriction of HoFe11−xCoxTi have been measured by using strain gauge method. ► The measurement was carried in 77-590 K under applied magnetic fields up to 1.5 T. ► Spontaneous volume magnetostriction and Invar effect decrease with Co substitution. ► Ho sublattice has negative contribution to spontaneous volume magnetostriction. ► Absolute values of anisotropic magnetostriction decrease slightly with Co content.