Friction and wear characterization
Polymer wear - Experimental study. Contact mechanics

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AM3135 V1 Article

Friction and wear characterization


Polymer wear - Experimental study. Contact mechanics

Author : Eric FELDER

Publication date: April 10, 2005 | Lire en français

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1. Friction and wear characterization

1.1 Test methods

Friction and wear are measured on a tribometer, a machine that ensures the relative movement of two solid bodies under a normal force P, usually kept constant. Figure 1 shows a schematic diagram of the two types of contact commonly used:

  • plane/plane contact or contact between parts with conformal surfaces (figure 1 a ): the force P imposes an (apparent) contact pressure.

    p = P /A

    ...
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