Core temperature and thermomechanical couplings
Effet thermique de la mise en forme

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M3012 V1 Archive

Core temperature and thermomechanical couplings
Effet thermique de la mise en forme

Author : Éric FELDER

Publication date: June 10, 2001 | Lire en français

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2. Core temperature and thermomechanical couplings

In this section, we analyze the thermal evolution at the heart of the part.

2.1 Fast flows: adiabatic coupling

First, let's look at the case of rapid or very short-duration flows.

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2.1.1 Adiabatic deformation

If plastic flow takes place in a very short time, heat exchange by thermal conduction with the environment can be neglected, and the material element fully retains its deformation energy and the associated heating: the flow is said to be adiabatic. A quantitative criterion for this can be found at

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