Plastic deformation modes and contact conditions
Tribology of drawing

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Plastic deformation modes and contact conditions


Tribology of drawing

Author : Éric FELDER

Publication date: November 10, 2010 | Lire en français

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3. Plastic deformation modes and contact conditions

3.1 State of stress and deformation of a metal sheet

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3.1.1 State of stress

In the forming of a sheet, the stress vector T 3 applied to either of its faces has as its normal component the opposite of the contact pressure p and as its tangential component the frictional cission, which can always be written τ = µp, with µthe Coulomb coefficient of friction; T 3 has a modulus small compared to that of a stress vector associated...

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