<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The article focuses on the analysis of the internal damping changes depending on the amplitude of the magnesium alloy AZ31. Internal damping reflects the ability of the material irreversibly dissipating mechanical energy oscillations. It means that the material of high internal damping ability is able to significantly reduce the vibration amplitude. Internal damping is, generally, dependent on many factors (temperature, material purity, grain size, mechanical and thermal processing, etc.) and its value is determined by interactions between various mechanisms dissipation of mechanical energy. Ultrasonic resonance method was used in experimental measurements, which is based on continuous excitation of oscillations of the specimen, and the entire apparatus vibrates at a frequency which is near to the resonance. Starting resonance frequency for all measurements was about f = 20470 Hz.</p></abstract>

The article focuses on the analysis of the internal damping changes depending on the amplitude of the magnesium alloy AZ31. Internal damping reflects the ability of the material irreversibly dissipating mechanical energy oscillations. It means that the material of high internal damping ability is able to significantly reduce the vibration amplitude. Internal damping is, generally, dependent on many factors (temperature, material purity, grain size, mechanical and thermal processing, etc.) and its value is determined by interactions between various mechanisms dissipation of mechanical energy. Ultrasonic resonance method was used in experimental measurements, which is based on continuous excitation of oscillations of the specimen, and the entire apparatus vibrates at a frequency which is near to the resonance. Starting resonance frequency for all measurements was about f = 20470 Hz.

Effect of cyclic loading on the internal damping of magnesium alloy AZ31

Department of Material Engineering, Faculty of Mechanical Engineering

Production Engineering Archives

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Effect of cyclic loading on the internal damping of magnesium alloy AZ31"}

The article focuses on the analysis of the internal damping changes depending on the amplitude of the magnesium alloy AZ31. Internal damping reflects the...

Effect of cyclic loading on the internal damping of magnesium alloy AZ31

Publié en ligne: 28 janv. 2020

Pages: 7 - 10

Reçu: 20 févr. 2017

Accepté: 08 mai 2017

DOI: https://doi.org/10.30657/pea.2017.15.02

Mots clés
magnesium alloy, resonant frequency, internal damping, cyclic loading

© 2017 Milan Uhríčik et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Effect of cyclic loading on the internal damping of magnesium alloy AZ31

Publié en ligne: 28 janv. 2020

Pages: 7 - 10

Reçu: 20 févr. 2017

Accepté: 08 mai 2017

DOI: https://doi.org/10.30657/pea.2017.15.02

Mots clésmagnesium alloy, resonant frequency, internal damping, cyclic loading

© 2017 Milan Uhríčik et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
magnesium alloy, resonant frequency, internal damping, cyclic loading