porous polyimide, ZDDP, soft contact, bearing cage
Rolling bearing, micro-textures, cage stability, coefficient of friction, CFD, cage whirling
Blackening failure, Porous polyimide, Rolling-sliding motion, Double-contact friction
Blackening failure, Porous polyimide, Rolling-sliding motion, Double-contact friction.
Polyimide, Porous materials, Microstructure, Wear performance