The Cartilage Surface: Frictional Forces Conducting on (Cartilage/Cartilage) Pair

Smart slippage lamellar-repulsive lubrication supports the negatively charged cartilage surface. The natural surface of articular cartilage is covered by the surface amorphous layer (SAL). Electrostatic repulsion between the two cartilage surfaces causes friction, which is mostly related to charge density.

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