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- Title
Acoustic Parameters as Criteria of Localized Deformation in Aluminum Alloys.
- Authors
LUNEV, A. G.; NADEZHKIN, M. V.; BARANNIKOVA, S. A.; ZUEV, L. B.
- Abstract
Investigations of propagation velocity and attenuation change of the Rayleigh waves depending on plastic strain localization in materials having the Portevin-Le Chatelier effect are presented in this paper. Measurements of the ultrasound wave characteristics were carried out in situ during specimen tensile at the constant rate and room temperature. Registration of localized strain band kinetics was performed with the digital speckle photography method. The regularity of ultrasound velocity change during the band propagation through the ultrasound measurement area was discovered.
- Subjects
ALUMINUM alloys; DEFORMATIONS (Mechanics); RAYLEIGH waves; THEORY of wave motion; STRAINS &; stresses (Mechanics)
- Publication
Acta Physica Polonica: A, 2018, Vol 134, Issue 1, p342
- ISSN
0587-4246
- Publication type
Article
- DOI
10.12693/APhysPolA.134.342