
Management and Maintenance: Capitalizing on Friction Modifiers
by Jeff Tuzik Steel-on-steel friction is tricky. Frictional forces mediate every interaction between the wheel and rail. Too much friction, and the system wears too quickly; issues like noise, truck-steering, and wheel-climb become more prominent. Too little friction, and traction and braking are negatively affected. Friction Management (FM) is the …