<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The research is focused on the study of the temperature dependence of the internal damping of selected magnesium alloys with different contents of aluminium - AZ31 and AZ61. These alloys are currently widely used in various types of industry, mainly in the automotive industry. It belongs to a group of materials called HIDAMETS because they have excellent damping properties. The internal damping of the samples was measured on a unique ultrasonic device constructed at Žilina University in Žilina. Specimens were measured at baseline in the temperature range from 25 °C to 400 °C. Changes in internal damping caused by varying aluminium contents in investigated alloys were noted. As the aluminium content increases, maximum internal damping is achieved due to the formation, growth and subsequent dissolution of the continuous precipitate in the microstructure.</p></abstract>

The research is focused on the study of the temperature dependence of the internal damping of selected magnesium alloys with different contents of aluminium - AZ31 and AZ61. These alloys are currently widely used in various types of industry, mainly in the automotive industry. It belongs to a group of materials called HIDAMETS because they have excellent damping properties. The internal damping of the samples was measured on a unique ultrasonic device constructed at Žilina University in Žilina. Specimens were measured at baseline in the temperature range from 25 °C to 400 °C. Changes in internal damping caused by varying aluminium contents in investigated alloys were noted. As the aluminium content increases, maximum internal damping is achieved due to the formation, growth and subsequent dissolution of the continuous precipitate in the microstructure.

Comparison of temperature dependence of internal damping of selected magnesium alloys

Department of Materials Engineering, Faculty of Mechanical Engineering

Production Engineering Archives

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

The research is focused on the study of the temperature dependence of the internal damping of selected magnesium alloys with different contents of aluminium -...

Comparison of temperature dependence of internal damping of selected magnesium alloys

Published Online: May 13, 2019

Page range: 7 - 10

Received: Jan 28, 2019

Accepted: Mar 13, 2019

DOI: https://doi.org/10.30657/pea.2019.22.02

Keywords
temperature dependence, internal damping, magnesium alloys, HIDAMETS, precipitate

© 2019 Tatiana Oršulová et al., published by Sciendo

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

Comparison of temperature dependence of internal damping of selected magnesium alloys

Published Online: May 13, 2019

Page range: 7 - 10

Received: Jan 28, 2019

Accepted: Mar 13, 2019

DOI: https://doi.org/10.30657/pea.2019.22.02

Keywordstemperature dependence, internal damping, magnesium alloys, HIDAMETS, precipitate

© 2019 Tatiana Oršulová et al., published by Sciendo

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

Keywords
temperature dependence, internal damping, magnesium alloys, HIDAMETS, precipitate