Improvement of magnetomechanical properties of cobalt ferrite by magnetic annealing

  title={Improvement of magnetomechanical properties of cobalt ferrite by magnetic annealing},
  author={C. Lo and A. Ring and J. Snyder and D. Jiles},
  journal={IEEE Transactions on Magnetics},
  • C. Lo, A. Ring, +1 author D. Jiles
  • Published 2005
  • Materials Science
  • IEEE Transactions on Magnetics
  • We report dramatic improvements in both magnetostriction level and strain derivative of polycrystalline cobalt ferrite as a result of magnetic annealing. Magnetostrictive cobalt ferrite composites have potential for use in advanced magnetomechanical stress and torque sensors due to their high sensitivity of magnetization to applied stresses and high levels of magnetostriction. Results show that annealing cobalt ferrite at 300/spl deg/C in air for 36 h under a dc field of 318 kA/m (4 kOe… CONTINUE READING
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