Article | REF: M3026 V1

High-speed forming - Lubrication and friction

Authors: Marc MANTEL, Christophe VACHEY

Publication date: March 10, 2006

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3. Friction laws

Friction is defined in terms of contact speeds. The shear vector representing friction stresses is defined by : τ=τΔVV

with :

ΔV
 : 
velocity difference between the two solids in contact
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Friction laws