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Article | REF: BM5066 V1

Wear on mechanical contacts - Elements of tribology

Authors: Michel CARTIER, Philippe KAPSA

Publication date: April 10, 2001, Review date: August 25, 2022

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3. Contact solicitations

3.1 Load

Load is the determining factor in the mechanical behavior of rubbing surfaces, since it governs the entire network of surface stresses at contact (figure 8 ): normal stresses due to bearing forces alone, and tangential stresses corresponding to resistance to displacement (coefficient of friction).

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