Open AccessThe effect of plastic deformation on the temperature dependences of ultrasonic velocities in Al-Mg alloy
Author(s) -
К. В. Курашкин,
А. В. Гончар
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1431/1/012015
Subject(s) - materials science , alloy , ultrasonic sensor , deformation (meteorology) , plasticity , shear (geology) , severe plastic deformation , composite material , shear waves , work (physics) , thermodynamics , acoustics , physics
This work deals with an experimental investigation of the effect of damage resulting from plastic deformation on the temperature dependences of ultrasonic velocities in 93% Al -6% Mg alloy. For samples with different degrees of plastic deformation, the velocities of shear and longitudinal waves linearly decrease with increasing temperature from 230 K to 320 K. For both shear and longitudinal waves, results showed the average value of the temperature-velocity factor varies linearly with plastic deformation. The discovered structural sensitivity of the temperature-velocity factor opens up new possibilities for nondestructive evaluation of metal alloys with accumulated damage, but requires further research.