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Coefficient of Friction - an overview ScienceDirect

Coefficient of Friction - an overview ScienceDirect

Coefficient of friction (COF) is a dimensionless number that is defined as the ratio between friction force and normal force (Eqn (2.1)).Materials with COF smaller than 0.1 are considered lubricous materials. COF depends on the nature of the materials and surface roughness.sp.info

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