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Use of Barkhausen Noise in Fatigue

  • Kirsti Tiitto
Chapter
Part of the Review of Progress in Quantitative Nondestructive Evaluation book series

Abstract

Barkhausen noise is generated by abrupt changes in the magnetization of materials under applied AC magnetizing field /1/. These changes are known to be affected by residual and/or applied stresses /2, 3/. Monitoring the Barkhausen noise under controlled conditions then provides a means of evaluating the stress state of the material /4/. The relation between stress and Barkhausen noise level is illustrated in Figure 1: the lower the compressive stress or the higher the tensile stress, the higher the Barkhausen noise level.

Keywords

Residual Stress Stress Relaxation Fatigue Damage Fatigue Limit Stress Amplitude 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • Kirsti Tiitto
    • 1
  1. 1.American Stress Technologies, Inc.PittsburghUSA

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