Abstract
The chapter presents results of acoustic emission (AE) studies of the stages of fatigue fracture of steels and aluminum alloys. Studies were conducted to review the technique of constructing generalized fatigue diagrams of various metals and alloys using the AE method, which greatly reduces the number of tests conducted using fractography. Fatigue stages at tests of sample alloys were identified from the activity of AE signals emitted by various types of AE sources (dislocations, micro- and macrocracks). Separation of the AE source types was made on the basis of an analysis of the distribution of “AE signal energy E AE vs. frequency parameter K f .” Generalized fatigue diagrams of some alloys were built according to the results of fatigue tests with different maximum stress values.
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Bashkov, O.V., Bashkova, T.I., Popkova, A.A. (2015). The Use of Acoustic Emission for the Construction of a Generalized Fatigue Diagram of Metals and Alloys. In: Shen, G., Wu, Z., Zhang, J. (eds) Advances in Acoustic Emission Technology. Springer Proceedings in Physics, vol 158. Springer, New York, NY. https://doi.org/10.1007/978-1-4939-1239-1_26
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DOI: https://doi.org/10.1007/978-1-4939-1239-1_26
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