Surface roughness has a strong influence on polymer properties, affecting the surface wettability, friction, and adhesion, as well as optoelectronic properties such as photon absorption, light reflection, etc.
On this application report we use the new atomic force microscope (AFM) from Anton Paar, the Tosca 400, to characterise several engineering polymers at production stage.
September 1935: Class A4 locomotive enters service
Did anyone else notice the "250 tons per sq inch" above the drawing of the locomotive in the original article? Rather high for steam...