The texture of roughened surfaces can be critical to their properties. Here a roughened Al surface is shown under SEM, which was used to reduce drag under turbulent flow. False coloured. Image courtesy of Dr. K. Golovin.
The texture of roughened surfaces can be critical to their properties. Here a roughened Al surface is shown under SEM, which was used to reduce drag under turbulent flow. False coloured. Image courtesy of Dr. K. Golovin.