Monitoring variation of surface residual stresses in shot peened steel components by the magnetic Barkhausen noise method

Date

2010-12-01

Author

SAVAŞ, SERDAR
Gür, Cemil Hakan

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Shot peening is a cold working process by which residual compressive stresses are induced in the surface and near-surface region to increase the fatigue strength and the resistance to stress corrosion cracking This study covers non-destructive evaluation of surface residual stresses in the shot peened steel components by the magnetic Barkhausen noise method For this purpose various sets of steel specimens were prepared by a controlled shot peening process with different intensities impact angles and coverage values The measurements showed that a clear relationship exists between surface residual stresses and the Barkhausen noise signals

Subject Keywords

Shot Peening, Residual Stresses, Non-Destructive Evaluation, Magnetic Barkhausen Noise

URI

https://hdl.handle.net/11511/42524

Collections

Department of Metallurgical and Materials Engineering, Article