Abstract
The Barkhausen noise analysis method for nondestructive residual stress measurement in ferromagnetic steels is described. Photographs showing the influence of stress on magnetic domain walls are presented; qualitative and quantitative calibration results are summarized. Results of exploratory measurements on a variety of jet engine components: compressor blades, compressor disks, diffuser cases and ball bearings, are presented and discussed.
Issue Section:
Research Papers
Topics:
Gas turbines,
Noise (Sound),
Residual stresses,
Compressors,
Stress,
Ball bearings,
Blades,
Calibration,
Diffusers,
Disks,
Jet engines,
Steel
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Copyright © 1974
by ASME
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