Texture analysis of the Fe-Al-B alloy obtained by directional solidification point out to an average direction of solidification <310>, close to <100>. The magnetomechanical behaviour is characterized by the sensing and actuation sensitivities ! "" # $ !%/!'|) and $ ! "" * # !+/!,| σ , respectively. The Fe 2 B phase does not act as pinning centres against domain wall movement, proved by the achieved ! "" ≅ ! "" * reversible thermodynamic condition. This phase neither degrade the saturation magnetization of the alloy, because it has a high saturation magnetization of 1.5 T. Relatively high sensitivities of 13 kA/m/MPa were obtained for very low fields, ~ 4 kA/m, the same magnitude of that obtained in rare earth based materials, but for much lower fields. The good formability and machining properties of the Fe-Al-B alloy are also a benefit compared to rare earth based materials.
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