Microstructure and property enhancement of 7075 aluminium alloy via la…

“Material Research with InssTek”

- Summary :
• This study compares the regular DED and the application of in-situ ultrasonic vibration to the melting pool to determine the effect of ultrasonic vibration in the process of manufacturing AA7075 with DED.
• Experiments were carried out under 2 scenarios – with and without ultrasonic vibration.
In the ultrasonic-assisted DED process, in-situ ultrasonic vibration was introduced through an AA7075 substrate, and then AA7075 powders were melted and deposited on the substrate simultaneously.
• The improved microstructure contributes to the development of superior mechanical properties.
Consequently, the integration of DED with ultrasonic vibration enhances the mechanical performance of AA7075 alloy.

Reference:
https://www.tandfonline.com/doi/full/10.1080/17452759.2023.2301482