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Cours-Proprietes-mecaniques-des-materiaux

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1.2.3 - DILATATION<br />

Lorsque les déformations entraînent un changement de volume<br />

du corps qui subit l’action <strong>des</strong> forces extérieures<br />

On définit la dilatation:<br />

Δ = ΔV / V

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