Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Analysis of Barkhausen Noise to Assess Shrink Fit Stresses
The possible application of Barkhausen Noise Analysis to assess shrink fit stresses in steel bushings was investigated. Ten specimens of four different size NAS steel bushings were used in experiments to determine the relationship between the Barkhausen signal amplitude and the hoop-stress in the bushings. This relationship was investigated for specimens which were loaded by a simple clamping fixture and specimens subjected to actual thermal interference fits. The results show that while the relationship of Barkhausen signal amplitude to hoop stress is predictable for specimens loaded by the simple clamping fixture, the relationship was less predictable for actual thermal fit bushings. The variation in results could possibly be due to variable levels of axial stress produced by the differential thermal expansion of the steel and aluminum. (Author)
Analysis of Barkhausen Noise to Assess Shrink Fit Stresses
The possible application of Barkhausen Noise Analysis to assess shrink fit stresses in steel bushings was investigated. Ten specimens of four different size NAS steel bushings were used in experiments to determine the relationship between the Barkhausen signal amplitude and the hoop-stress in the bushings. This relationship was investigated for specimens which were loaded by a simple clamping fixture and specimens subjected to actual thermal interference fits. The results show that while the relationship of Barkhausen signal amplitude to hoop stress is predictable for specimens loaded by the simple clamping fixture, the relationship was less predictable for actual thermal fit bushings. The variation in results could possibly be due to variable levels of axial stress produced by the differential thermal expansion of the steel and aluminum. (Author)
Analysis of Barkhausen Noise to Assess Shrink Fit Stresses
W. D. Perry (Autor:in) / J. R. Barton (Autor:in)
1981
47 pages
Report
Keine Angabe
Englisch
Quality Control & Reliability , Nondestructive Testing , Steel , Bushings , Nondestructive testing , Residual stress , Noise analyzers , Thermal expansion , Ferromagnetic materials , Fittings , Thermal properties , Interference , Shrinkage , Predictions , Aluminum , Measurement , Magnetic devices , Probes , High frequency , Strain gages , Clamps , Barkhausen signal , Barkhausen noise , Shrink fit stresses , Thermal interference , Hoop stresses , Test specimens , Barkshausen signal amplitude , Thermal fit
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