Autowave and acoustic characteristics of low-carbon steel 1008 at loading
2019
The results of acoustic parameter measurements in a deformed material with simultaneous recording of autowave patterns of localized plastic deformation for low-carbon steel 1008 are presented. Specimen deformation affects both the ultrasound velocity increase and the evolution of autowave patterns. The first kink corresponds to the elastic-plastic transition and the formation of switching autowave. The second kink and collapse of the localized deformation autowave correspond to material fracture.
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