Irregularities present on a surface are often described as surface roughness or texture. These surface textures such as grooves and dimples impart friction, which is the force between two sliding ...

Figure 1: Fiber displacement due to insufficient adhesion force (left) and simplified force equilibrium on winding surface (right). Photo Credit, all images: IVW Leibniz-Institut für Verbundwerkstoffe ...

All street-legal brake pads sold in the U.S. feature DOT-mandated friction codes and other data marked right on the parts. That's important info because the higher a brake pad's coefficient of ...