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Article | REF: M3000 V2

Metal forming - Mechanical and thermal aspects

Author: Eric FELDER

Publication date: November 10, 2015

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2. Geometric and kinematic description of processes

Figure 5 shows a schematic diagram of the main processes involving plastic deformation of solid-state metal. It should be remembered that the plasticity of a material corresponds to its ability to exhibit, after application of a state of stress verifying the plasticity criterion σ¯=σ0 , whose critical value is defined by the flow stress σ 0 , a permanent deformation leaving its volume invariant to a first approximation (§

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Geometric and kinematic description of processes
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