Dislocations mobility in superalloy-steel hybrid components produced using wire arc additive manufacturing

•Inconel 718/Steel S275 hybrid component produced by WAAM.•Integrated interface in all various states of as-built, solutionized, and aged.•Bulk texture analyses of WAAM-deposited part using neutron diffraction technique.•Elastic-field mathematical model predicts the dislocations’ mobility and dissociation.•Effect of heat treatment on Peierls-Nabarro stress of perfect and partial dislocations.