MAGNETO ELASTICITY IN AMORPHOUS FERROMAGNETS

摘要

1. Introduction, phenomenology and definitions 2. Theoretical considerations 3. Volume magnetostriction and INVAR effect 4. Domain or Joule magnetostriction 4.1 COMPOSITION AND STRUCTURE DEPENDENCE OF λ_s. 4.2 TEMPERATURE DEPENDENCE. 4.3 STRUCTURAL RELAXATION. 4.4 STRESS DEPENDENCE. 5. Inverse magnetostrictive effects: Magnetoelasticity 5.1 EFFECT OF STRESS ON THE MAGNETIZATION CURVE, INDUCED MAGNETIC ANISOTROPY 5.2 TORSION, WIEDEMANN AND MATTEUCCI EFFECTS. 5.3 ELASTIC EFFECTS: THE ΔE EFFECT, MAGNETOELASTIC RESONANEC. 6. Applications of magnetostriction in amorphous alloys 6.1 ZERO MAGNETOSTRICTION ALLOYS. 6.2 SENSORS BASED ON LARGE λ_s ALLOYS. 6.3 LABELLING AND REMOTE SENSING.