New perspectives for magnetoplastic coupling in high purity nickel

Summary form only given. The evolution with strain hardening of the magnetic properties of high purity polycrystalline nickel (99.98%) with various grain sizes ϕ/sub g/ is reported. The difference between loaded and unloaded states behaviour in the plastic regime can be correlated to the kinematic c...

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Bibliographic Details
Main Authors: Hug, E., Iordache, V.E., Buiron, N.
Format: Conference Proceeding
Language:English
Subjects:
Couplings
Grain size
Internal stresses
Kinematics
Magnetic field induced strain
Magnetic materials
Magnetic properties
Nickel
Noise level
Plastics
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Summary:Summary form only given. The evolution with strain hardening of the magnetic properties of high purity polycrystalline nickel (99.98%) with various grain sizes ϕ/sub g/ is reported. The difference between loaded and unloaded states behaviour in the plastic regime can be correlated to the kinematic component X representative of long range interactions (internal stresses) in the material. Moreover, Barkhausen noise appears to be a powerful tool for nondestructive monitoring of the internal stress level in nickel.
DOI:10.1109/INTMAG.2002.1000725