Title :
The effects of stress on induction, differential permeability and Barkhausen count in a ferromagnet
Author :
Maylin, M.G. ; Squire, P.T.
Author_Institution :
Sch. of Phys., Bath Univ., UK
fDate :
11/1/1993 12:00:00 AM
Abstract :
The induction changes caused by the application of tensile and compressive stress cycles from points on the initial curve and major loop of a 0.2% carbon, 3% nickel steel have been measured using a pneumatic stressing mechanism. The magnitudes of the irreversible induction changes are compared to the specimen iso-stress permeability and Barkhausen profiles. Results suggest that the complexity of the induction-stress process limits the suitability of either profile as a suitable response function for the prediction of subsequent stress-induced induction changes
Keywords :
Barkhausen effect; alloy steel; electromagnetic induction; ferromagnetic properties of substances; magnetic permeability; magnetomechanical effects; Barkhausen count; Barkhausen profiles; Ni steel; compressive stress cycles; differential permeability; ferromagnet; induction-stress process; initial curve; irreversible induction changes; major loop; pneumatic stressing mechanism; prediction; response function; specimen iso-stress permeability; stress-induced induction changes; tensile stress cycles; Coils; Compressive stress; Demagnetization; Magnetic field measurement; Magnetic materials; Magnetostriction; Permeability; Steel; Stress measurement; Tensile stress;
Journal_Title :
Magnetics, IEEE Transactions on
